diff --git a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/artifact.xml b/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/artifact.xml
deleted file mode 100644
index daffd2941..000000000
--- a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/artifact.xml
+++ /dev/null
@@ -1,23 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
-  ~
-  ~ WSO2 Inc. licenses this file to you under the Apache License,
-  ~ Version 2.0 (the "License"); you may not use this file except
-  ~ in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~ http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing,
-  ~ software distributed under the License is distributed on an
-  ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-  ~ KIND, either express or implied. See the License for the
-  ~ specific language governing permissions and limitations
-  ~ under the License.
-  -->
-
-<artifact name= "android_non_compliant_features_gadget" version="1.0.0" type="dashboards/gadget" serverRole="DataAnalyticsServer">
-	<file>non-compliant-features</file>
-</artifact>
-
diff --git a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/css/bootstrap.min.css b/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/css/bootstrap.min.css
deleted file mode 100644
index c10c7f417..000000000
--- a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/css/bootstrap.min.css
+++ /dev/null
@@ -1,9 +0,0 @@
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50%,rgba(255,255,255,0.15) 75%,transparent 75%,transparent);background-image:-moz-linear-gradient(45deg,rgba(255,255,255,0.15) 25%,transparent 25%,transparent 50%,rgba(255,255,255,0.15) 50%,rgba(255,255,255,0.15) 75%,transparent 75%,transparent);background-image:-o-linear-gradient(45deg,rgba(255,255,255,0.15) 25%,transparent 25%,transparent 50%,rgba(255,255,255,0.15) 50%,rgba(255,255,255,0.15) 75%,transparent 75%,transparent);background-image:linear-gradient(45deg,rgba(255,255,255,0.15) 25%,transparent 25%,transparent 50%,rgba(255,255,255,0.15) 50%,rgba(255,255,255,0.15) 75%,transparent 75%,transparent)}.progress-warning .bar,.progress .bar-warning{background-color:#faa732;background-image:-moz-linear-gradient(top,#fbb450,#f89406);background-image:-webkit-gradient(linear,0 0,0 100%,from(#fbb450),to(#f89406));background-image:-webkit-linear-gradient(top,#fbb450,#f89406);background-image:-o-linear-gradient(top,#fbb450,#f89406);background-image:linear-gradient(to bottom,#fbb450,#f89406);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#fffbb450',endColorstr='#fff89406',GradientType=0)}.progress-warning.progress-striped .bar,.progress-striped .bar-warning{background-color:#fbb450;background-image:-webkit-gradient(linear,0 100%,100% 0,color-stop(0.25,rgba(255,255,255,0.15)),color-stop(0.25,transparent),color-stop(0.5,transparent),color-stop(0.5,rgba(255,255,255,0.15)),color-stop(0.75,rgba(255,255,255,0.15)),color-stop(0.75,transparent),to(transparent));background-image:-webkit-linear-gradient(45deg,rgba(255,255,255,0.15) 25%,transparent 25%,transparent 50%,rgba(255,255,255,0.15) 50%,rgba(255,255,255,0.15) 75%,transparent 75%,transparent);background-image:-moz-linear-gradient(45deg,rgba(255,255,255,0.15) 25%,transparent 25%,transparent 50%,rgba(255,255,255,0.15) 50%,rgba(255,255,255,0.15) 75%,transparent 75%,transparent);background-image:-o-linear-gradient(45deg,rgba(255,255,255,0.15) 25%,transparent 25%,transparent 50%,rgba(255,255,255,0.15) 50%,rgba(255,255,255,0.15) 75%,transparent 75%,transparent);background-image:linear-gradient(45deg,rgba(255,255,255,0.15) 25%,transparent 25%,transparent 50%,rgba(255,255,255,0.15) 50%,rgba(255,255,255,0.15) 75%,transparent 75%,transparent)}.accordion{margin-bottom:20px}.accordion-group{margin-bottom:2px;border:1px solid #e5e5e5;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px}.accordion-heading{border-bottom:0}.accordion-heading .accordion-toggle{display:block;padding:8px 15px}.accordion-toggle{cursor:pointer}.accordion-inner{padding:9px 15px;border-top:1px solid #e5e5e5}.carousel{position:relative;margin-bottom:20px;line-height:1}.carousel-inner{position:relative;width:100%;overflow:hidden}.carousel-inner>.item{position:relative;display:none;-webkit-transition:.6s ease-in-out left;-moz-transition:.6s ease-in-out left;-o-transition:.6s ease-in-out left;transition:.6s ease-in-out left}.carousel-inner>.item>img,.carousel-inner>.item>a>img{display:block;line-height:1}.carousel-inner>.active,.carousel-inner>.next,.carousel-inner>.prev{display:block}.carousel-inner>.active{left:0}.carousel-inner>.next,.carousel-inner>.prev{position:absolute;top:0;width:100%}.carousel-inner>.next{left:100%}.carousel-inner>.prev{left:-100%}.carousel-inner>.next.left,.carousel-inner>.prev.right{left:0}.carousel-inner>.active.left{left:-100%}.carousel-inner>.active.right{left:100%}.carousel-control{position:absolute;top:40%;left:15px;width:40px;height:40px;margin-top:-20px;font-size:60px;font-weight:100;line-height:30px;color:#fff;text-align:center;background:#222;border:3px solid #fff;-webkit-border-radius:23px;-moz-border-radius:23px;border-radius:23px;opacity:.5;filter:alpha(opacity=50)}.carousel-control.right{right:15px;left:auto}.carousel-control:hover,.carousel-control:focus{color:#fff;text-decoration:none;opacity:.9;filter:alpha(opacity=90)}.carousel-indicators{position:absolute;top:15px;right:15px;z-index:5;margin:0;list-style:none}.carousel-indicators li{display:block;float:left;width:10px;height:10px;margin-left:5px;text-indent:-999px;background-color:#ccc;background-color:rgba(255,255,255,0.25);border-radius:5px}.carousel-indicators .active{background-color:#fff}.carousel-caption{position:absolute;right:0;bottom:0;left:0;padding:15px;background:#333;background:rgba(0,0,0,0.75)}.carousel-caption h4,.carousel-caption p{line-height:20px;color:#fff}.carousel-caption h4{margin:0 0 5px}.carousel-caption p{margin-bottom:0}.hero-unit{padding:60px;margin-bottom:30px;font-size:18px;font-weight:200;line-height:30px;color:inherit;background-color:#eee;-webkit-border-radius:6px;-moz-border-radius:6px;border-radius:6px}.hero-unit h1{margin-bottom:0;font-size:60px;line-height:1;letter-spacing:-1px;color:inherit}.hero-unit li{line-height:30px}.pull-right{float:right}.pull-left{float:left}.hide{display:none}.show{display:block}.invisible{visibility:hidden}.affix{position:fixed}
diff --git a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/css/style.css b/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/css/style.css
deleted file mode 100644
index 2824b1dbb..000000000
--- a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/css/style.css
+++ /dev/null
@@ -1,156 +0,0 @@
-/*
- * Copyright (c)  2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
- *
- * WSO2 Inc. licenses this file to you under the Apache License,
- * Version 2.0 (the "License"); you may not use this file except
- * in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-.form-horizontal {
-    max-width: none;
-}
-
-body.dark svg.marks .mark-group .background {
-    /*noinspection CssUnknownProperty*/
-    fill: #121822 !important;
-}
-
-body.dark svg.marks .mark-group .mark-text text {
-    /*noinspection CssUnknownProperty*/
-    fill: #7D8596 !important;
-}
-
-body.dark svg.marks .mark-group .mark-rule line {
-    /*noinspection CssUnknownProperty*/
-    stroke: #E3E5E6 !important;
-}
-
-svg.marks .mark-group .mark-rect rect:hover {
-    cursor: pointer;
-    opacity: 0.8 !important;
-}
-
-body.dark select {
-    color: #fff;
-    background: transparent;
-    border-color: #353C48;
-}
-
-select {
-    cursor: pointer;
-}
-
-select option {
-    color: #31383e;
-}
-
-.pagination {
-    margin: 0;
-}
-
-.pagination > ul {
-    display: inline-block;
-    padding-left: 0;
-    margin: 0;
-    border-radius: 4px;
-}
-.pagination > ul > li {
-    display: inline;
-}
-.pagination > ul > li > a,
-.pagination > ul > li > span {
-    position: relative;
-    float: left;
-    padding: 6px 12px;
-    margin-left: -1px;
-    line-height: 1.42857143;
-    color: #353C48;
-    text-decoration: none;
-    background-color: #fff;
-    border: 1px solid #ddd;
-}
-body.dark .pagination > ul > li > a,
-body.dark .pagination > ul > li > span {
-    color: #fff;
-    background-color: transparent;
-    border-color: #353C48;
-}
-.pagination > ul > li:first-child > a,
-.pagination > ul > li:first-child > span {
-    margin-left: 0;
-}
-.pagination > ul > li > a:hover,
-.pagination > ul > li > span:hover,
-.pagination > ul > li > a:focus,
-.pagination > ul > li > span:focus {
-    color: #353C48;
-    background-color: #E3E5E6;
-    border-color: #E3E5E6;
-}
-body.dark .pagination > ul > li > a:hover,
-body.dark .pagination > ul > li > span:hover,
-body.dark .pagination > ul > li > a:focus,
-body.dark .pagination > ul > li > span:focus {
-    color: #353C48;
-    background-color: #E3E5E6;
-    border-color: #E3E5E6;
-}
-.pagination > ul > .active > a,
-.pagination > ul > .active > span,
-.pagination > ul > .active > a:hover,
-.pagination > ul > .active > span:hover,
-.pagination > ul > .active > a:focus,
-.pagination > ul > .active > span:focus,
-body.dark .pagination > ul > .active > a,
-body.dark .pagination > ul > .active > span,
-body.dark .pagination > ul > .active > a:hover,
-body.dark .pagination > ul > .active > span:hover,
-body.dark .pagination > ul > .active > a:focus,
-body.dark .pagination > ul > .active > span:focus {
-    z-index: 2;
-    color: #fff;
-    cursor: default;
-    background-color: #353C48;
-    border-color: #353C48;
-}
-.pagination > ul > .disabled > span,
-.pagination > ul > .disabled > span:hover,
-.pagination > ul > .disabled > span:focus,
-.pagination > ul > .disabled > a,
-.pagination > ul > .disabled > a:hover,
-.pagination > ul > .disabled > a:focus {
-    color: #777;
-    cursor: not-allowed;
-    background-color: #fff;
-    border-color: #ddd;
-}
-
-.form-inline .form-control {
-    display: inline-block;
-    width: auto;
-    vertical-align: middle;
-}
-
-.label {
-    border-radius: 4px;
-    font-size: 35px;
-    font-weight: 300;
-    padding: 3px 15px 3px 15px;
-    margin-bottom: 2px;
-    display: inline-block;
-    vertical-align: text-bottom;
-}
-
-.label-zero {
-    background: #3c763d;
-}
diff --git a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/gadget.json b/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/gadget.json
deleted file mode 100644
index e19b07fc5..000000000
--- a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/gadget.json
+++ /dev/null
@@ -1,21 +0,0 @@
-{
-  "id": "non-compliant-features",
-  "title": "Non-compliant Features",
-  "type": "gadget",
-  "thumbnail": "gadget/non-compliant-features/img/thumbnail.png",
-  "data": {
-    "url": "gadget/non-compliant-features/index.xml"
-  },
-  "notify": {
-    "publisher": {
-      "type": "filter",
-      "description": "This notifies selected filter"
-    }
-  },
-  "listen": {
-    "subscriber": {
-      "type": "filter",
-      "description": "Used to listen to any filters"
-    }
-  }
-}
diff --git a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/img/thumbnail.png b/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/img/thumbnail.png
deleted file mode 100644
index 8b3f43540..000000000
Binary files a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/img/thumbnail.png and /dev/null differ
diff --git a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/index.xml b/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/index.xml
deleted file mode 100644
index 6a32bf37f..000000000
--- a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/index.xml
+++ /dev/null
@@ -1,102 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<!--
-  ~ Copyright (c)  2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
-  ~
-  ~ WSO2 Inc. licenses this file to you under the Apache License,
-  ~ Version 2.0 (the "License"); you may not use this file except
-  ~ in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing,
-  ~ software distributed under the License is distributed on an
-  ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-  ~ KIND, either express or implied. See the License for the
-  ~ specific language governing permissions and limitations
-  ~ under the License.
-  -->
-
-<Module>
-    <ModulePrefs title="Connectivity Status"
-                 author="WSO2 Gadget Server"
-                 scrolling="false"
-                 tags="stack,chart,data,visualization"
-                 description="EMM Device Connectivity Status">
-        <Require feature="pubsub-2"/>
-        <Require feature="dynamic-height" />
-        <Require feature="dynamic-width" />
-        <Require feature="wso2-gadgets-remoteClient" />
-    </ModulePrefs>
-    <Content type="html">
-        <![CDATA[
-        <html>
-            <head>
-                <meta charset="utf-8">
-                <title>Connectivity Status</title>
-
-                <!-- Theme -->
-                <link rel="stylesheet" type="text/css" href="/portal/libs/bootstrap_3.3.5/css/bootstrap.min.css" />
-                <link rel="stylesheet" type="text/css" href="/portal/libs/font-wso2_1.0.0/css/font-wso2.min.css" />
-                <link rel="stylesheet" type="text/css" href="/portal/libs/theme-wso2_1.0/css/theme-wso2.css" />
-                <link rel="stylesheet" type="text/css" href="../commons/css/gadget.css" />
-
-                <!-- jQuery -->
-                <script src="../commons/js/jquery-1.10.2.js"></script>
-                <script src="../commons/js/moment.min.js"></script>
-                <script src="../commons/js/gadget-utils.js"></script>
-
-
-                <!-- Include VizGrammar -->
-                <script src="../commons/js/d3.min.js"></script>
-                <script src="../commons/js/vega.js"></script>
-                <script src="../commons/js/VizGrammar_2.js"></script>
-                <script src="/portal/extensions/themes/analytics/js/colorbrewer.js"></script>
-                <script src="/portal/extensions/themes/analytics/js/VizGrammarSettings.js"></script>
-
-                <!-- JS -->
-                <script src="js/bootstrap-paginator.min.js"></script>
-                <script src="js/topojson.js"></script>
-                <script src="js/gadgetconf.js"></script>
-                <script src="js/analyticsUtils.js"></script>
-                <script src="js/main.js"></script>
-
-                <!-- CSS -->
-                <link rel="stylesheet" href="css/style.css" type="text/css"/>
-            </head>
-            <body>
-                <h4 class="add-padding-left-5x add-padding-top-3x add-padding-right-5x">
-                    <div id="header-msg">
-                        <span id="header-msg-count" class="label label-success label-zero">0</span>
-                        &nbsp; <span id="header-msg-text">non-compliant features found.<span>
-                    </div>
-                    <hr>
-                </h4>
-                <span id="body-msg-for-compliance" class="add-padding-left-5x add-padding-right-5x hidden">
-                    All devices (if any) are currently intact.
-                <span>
-                <div id="chart" class="hidden"></div>
-                <div id="pagination-view" class="add-padding-left-5x hidden">
-                    <div class="form-inline">
-                        <div class="form-group clearfix">
-                            <div class="pull-left">
-                                <label for="input-name" class="control-label">Show&nbsp;</label>
-                                <select id="paginationNumber" class="form-control" onChange="bc.changePaginationNumber(this.value);">
-                                    <option value=5>5</option>
-                                    <option value=10>10</option>
-                                    <option value=15>15</option>
-                                    <option value=20>20</option>
-                                </select>
-                                &nbsp;features
-                            </div>
-                            <div class="pull-right">
-                                <div id="idPaginate"></div>
-                            </div>
-                        </div>
-                    </div>
-                </div>
-            </body>
-        </html>
-        ]]>
-    </Content>
-</Module>
diff --git a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/js/VizGrammar.min.js b/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/js/VizGrammar.min.js
deleted file mode 100644
index 9c3da1bff..000000000
--- a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/js/VizGrammar.min.js
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
- * Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License./
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-function getPieMark(a,b){var c;if("donut"==a.mode)var c=a.width/5*(1+a.innerRadius);else if("pie"==a.mode)var c=0;else{a.innerRadius+=.5;var c=a.width/5*(1+a.innerRadius)}var d=a.title,e="";null!=a.type&&(d="layout",e="a.");var f={type:"arc",from:{data:d},properties:{update:{x:{field:{group:"width"},mult:.5},y:{field:{group:"height"},mult:.5},startAngle:{field:"layout_start"},endAngle:{field:"layout_end"},innerRadius:{value:c},outerRadius:{value:.4*a.width},fill:{scale:"color",field:e+b.names[a.color]},fillOpacity:{value:1}},hover:{fillOpacity:{value:.8},cursor:{value:a.hoverCursor}}}};return f}function getPieMidText(a,b){var c={type:"text",from:{data:"layout"},properties:{update:{x:{field:{group:"width"},mult:.5},y:{field:{group:"height"},mult:.5},radius:{value:0},theta:{field:"layout_mid"},fill:[{test:"indata('arc', datum.a."+b.names[a.color]+", 'type')",scale:"color",field:b.names[a.color]},{}],align:{value:"center"},baseline:{value:"middle"},fontSize:{value:a.width/9},text:{template:"{{datum.percentage | number:'.2f'}}%"}}}};return c}function getPieText(a,b){var c={type:"text",from:{data:"layout"},properties:{update:{x:{field:{group:"width"},mult:.5},y:{field:{group:"height"},mult:.5},radius:{value:.5*a.width},theta:{field:"layout_mid"},fill:{value:"#000"},align:{value:"center"},baseline:{value:"middle"},text:{template:"{{datum.percentage | number:'.2f'}}%"}}}};return c}function getAreaMark(a,b){var c;return c=-1!=a.color?{type:"group",from:{data:a.title,transform:[{type:"facet",groupby:[b.names[a.color]]}]},marks:[{type:"area",properties:{update:{x:{scale:"x",field:b.names[a.x]},y:{scale:"y",field:b.names[a.y]},y2:{scale:"y",value:0},fill:{scale:"color",field:b.names[a.color]},strokeWidth:{value:2},strokeOpacity:{value:1}},hover:{strokeOpacity:{value:.5}}}}]}:{type:"area",from:{data:a.title},properties:{update:{x:{scale:"x",field:b.names[a.x]},y:{scale:"y",field:b.names[a.y]},y2:{scale:"y",value:0},fill:{value:a.markColor},strokeWidth:{value:2},fillOpacity:{value:1}},hover:{fillOpacity:{value:.5}}}}}function getBarMark(a,b){var c;c="left"==a.orientation?{y:{scale:"x",field:b.names[a.x]},height:{scale:"x",band:!0,offset:calculateBarGap(a)},x:{scale:"y",field:b.names[a.y]},x2:{scale:"y",value:0},fill:{value:a.markColor},fillOpacity:{value:1}}:{x:{scale:"x",field:b.names[a.x]},width:{scale:"x",band:!0,offset:calculateBarGap(a)},y:{scale:"y",field:b.names[a.y]},y2:{scale:"y",value:0},fill:{value:a.markColor},fillOpacity:{value:1}};var d={type:"rect",from:{data:a.title},properties:{update:c,hover:{fillOpacity:{value:.5},cursor:{value:a.hoverCursor}}}};return d}function getStackBarMark(a,b){return"left"==a.orientation?mark={type:"rect",from:{data:a.title,transform:[{type:"stack",groupby:[b.names[a.x]],sortby:[b.names[a.color]],field:b.names[a.y]}]},properties:{update:{y:{scale:"x",field:b.names[a.x]},height:{scale:"x",band:!0,offset:calculateBarGap(a)},x:{scale:"y",field:"layout_start"},x2:{scale:"y",field:"layout_end"},fill:{scale:"color",field:b.names[a.color]},fillOpacity:{value:1}},hover:{fillOpacity:{value:.5},cursor:{value:a.hoverCursor}}}}:mark={type:"rect",from:{data:a.title,transform:[{type:"stack",groupby:[b.names[a.x]],sortby:[b.names[a.color]],field:b.names[a.y]}]},properties:{update:{x:{scale:"x",field:b.names[a.x]},width:{scale:"x",band:!0,offset:calculateBarGap(a)},y:{scale:"y",field:"layout_start"},y2:{scale:"y",field:"layout_end"},fill:{scale:"color",field:b.names[a.color]},fillOpacity:{value:1}},hover:{fillOpacity:{value:.5},cursor:{value:a.hoverCursor}}}},mark}function getGroupBarMark(a,b){var c;return c="left"==a.orientation?{type:"group",from:{data:a.title,transform:[{type:"facet",groupby:[b.names[a.x]]}]},properties:{update:{y:{scale:"x",field:"key"},height:{scale:"x",band:!0}}},scales:[{name:"pos",type:"ordinal",range:"height",domain:{field:b.names[a.color]}}],marks:[{name:"bars",type:"rect",properties:{update:{y:{scale:"pos",field:b.names[a.color]},height:{scale:"pos",band:!0},x:{scale:"y",field:b.names[a.y]},x2:{scale:"y",value:0},fill:{scale:"color",field:b.names[a.color]},fillOpacity:{value:1}},hover:{fillOpacity:{value:.5},cursor:{value:a.hoverCursor}}}}]}:{type:"group",from:{data:a.title,transform:[{type:"facet",groupby:[b.names[a.x]]}]},properties:{update:{x:{scale:"x",field:"key"},width:{scale:"x",band:!0}}},scales:[{name:"pos",type:"ordinal",range:"width",domain:{field:b.names[a.color]}}],marks:[{name:"bars",type:"rect",properties:{update:{x:{scale:"pos",field:b.names[a.color]},width:{scale:"pos",band:!0},y:{scale:"y",field:b.names[a.y]},y2:{scale:"y",value:0},fill:{scale:"color",field:b.names[a.color]},fillOpacity:{value:1}},hover:{fillOpacity:{value:.5},cursor:{value:a.hoverCursor}}}}]}}function calculateBarGap(a){var b;return b="left"==a.orientation?a.height:a.width,-a.barGap*(b/30)}function getLineMark(a,b){var c;return c=-1!=a.color?{name:"line-group",type:"group",from:{data:a.title,transform:[{type:"facet",groupby:[b.names[a.color]]}]},marks:[{type:"line",properties:{update:{x:{scale:"x",field:b.names[a.x]},y:{scale:"y",field:b.names[a.y]},stroke:{scale:"color",field:b.names[a.color]},strokeWidth:{value:2},strokeOpacity:{value:1}},hover:{strokeOpacity:{value:.5},cursor:{value:a.hoverCursor}}}}]}:{type:"line",from:{data:a.title},properties:{update:{x:{scale:"x",field:b.names[a.x]},y:{scale:"y",field:b.names[a.y]},stroke:{value:a.markColor},strokeWidth:{value:2},strokeOpacity:{value:1}},hover:{strokeOpacity:{value:.5}}}}}function getTopoJson(a,b){var c,d=a.width,e=a.height,f=a.charts[0].mapType,g="mercator";"usa"==f?(d=a.width-160,e=a.height-130,c=a.height+270,g="albersUsa"):"europe"==f?(d=(a.width/2+100)/2,e=a.height+150,c=a.height+50):(c=a.width/640*120,d=a.width/2+10,e=a.height/2+40);var h=a.geoCodesUrl,i={name:"geoData",url:h,format:{type:"topojson",feature:"units"},transform:[{type:"geopath",value:"data",scale:c,translate:[d,e],projection:g},{type:"lookup",keys:["id"],on:a.title,onKey:b.names[a.x],as:["zipped"],"default":{v:null,country:"No data"}}]};return i}function getMapMark(a,b){var c=[{name:"map",type:"path",from:{data:"geoData"},properties:{enter:{path:{field:"layout_path"}},update:{fillOpacity:{value:1},fill:{rule:[{predicate:{name:"isNotNull",id:{field:"zipped.v"}},scale:"color",field:"zipped.v"},{value:a.mapColor}]}},hover:{fillOpacity:{value:.5},cursor:{value:a.hoverCursor}}}},{type:"group",from:{data:a.title,transform:[{type:"filter",test:"datum."+b.names[a.x]+" == tooltipSignal.datum."+b.names[a.x]}]},properties:{update:{x:{signal:"tooltipSignal.x",offset:-5},y:{signal:"tooltipSignal.y",offset:20},width:{value:100},height:{value:20},fill:{value:a.tooltip.color}}},marks:[{type:"text",properties:{update:{x:{value:6},y:{value:14},text:{template:"{{tooltipSignal.datum.unitName}} {{tooltipSignal.datum.v}}"},fill:{value:"black"}}}}]}];return c}function getMapSignals(){var a=[{name:"tooltipSignal",init:{expr:"{x: 0, y: 0, datum: {} }"},streams:[{type:"@map:mouseover",expr:"{x: eventX(), y: eventY(), datum: eventItem().datum.zipped}"},{type:"@map:mouseout",expr:"{x: 0, y: 0, datum: {} }"}]}];return a}function getMapPredicates(){var a={name:"isNotNull",type:"!=",operands:[{value:null},{arg:"id"}]};return a}function getMapLegends(a,b){var c={fill:"color",title:b.names[a.y],properties:{gradient:{stroke:{value:"transparent"}},title:{fontSize:{value:14}},legend:{x:{value:0},y:{value:a.height-40}}}};return c}function loadGeoMapCodes(a){var b,c=new XMLHttpRequest;return c.overrideMimeType("application/json"),c.open("GET",a,!1),c.onreadystatechange=function(){4==c.readyState&&"200"==c.status&&(b=JSON.parse(c.responseText))},c.send(null),b}function getMapCode(a,b,c){if("world"==b||"europe"==b)for(d=0;d<c.length;d++)a.toUpperCase()==c[d].name.toUpperCase()&&(a=c[d]["alpha-3"]);else{var d=0;for(var e in c)c.hasOwnProperty(e)&&a.toUpperCase()==e.toUpperCase()&&(a="US"+c[e]),d++}return a}function getScatterMark(a,b){var c,d;c=-1==a.color?{value:a.markColor}:{scale:"color",field:b.names[a.color]},d=-1==a.size?{value:50*a.markSize}:{scale:"size",field:b.names[a.size]};var e={type:"symbol",from:{data:a.title},properties:{update:{x:{scale:"x",field:b.names[a.x]},y:{scale:"y",field:b.names[a.y]},fill:c,size:d,fillOpacity:{value:1}},hover:{fillOpacity:{value:.5},cursor:{value:a.hoverCursor}}}};return e}function getScatterToolTipMark(a,b){a.toolTip.height=50,a.toolTip.y=-50;var c=getToolTipMark(a,b),d={type:"text",properties:{update:{x:{value:6},y:{value:44},text:{template:"Size 	 ("+b.names[a.size]+") 	 {{hover."+b.names[a.size]+"}}"},fill:{value:"black"}}}};return c.marks.push(d),c}function checkConfig(a,b){null==a.color?a.color=-1:"*"!=a.color&&(a.color=b.names.indexOf(a.color)),null==a.size?a.size=-1:a.size=b.names.indexOf(a.size);var c={title:"table",mapType:-1,mode:"stack",colorScale:"category10",colorDomain:-1,maxLength:-1,markSize:2,fillOpacity:1,innerRadius:0,renderer:"svg",padding:{top:10,left:50,bottom:40,right:50},dateFormat:"%x %X",range:!1,rangeColor:"#222",selectionColor:"#222",barGap:1,mapColor:"#888",hoverCursor:"pointer",rangeCursor:"grab",textColor:"#888",tooltip:{enabled:!0,color:"#e5f2ff",type:"symbol"},legend:!0,legendTitle:"Legend",legendTitleColor:"#222",legendTitleFontSize:13,legendTextColor:"#888",ledgendTextFontSize:12,xTitle:a.x,yTitle:a.y,xAxisAngle:!1,yAxisAngle:!1,xAxisStrokeSize:0,xAxisColor:"#222",xAxisSize:1,xAxisFontSize:10,xAxisTitleFontSize:12,xAxisTitleFontColor:"#222",yAxisStrokeSize:0,yAxisColor:"#222",yAxisSize:1,yAxisFontSize:10,yAxisTitleFontSize:12,yAxisTitleFontColor:"#222",grid:!0,zero:!1,xTicks:0,yTicks:0,xFormat:"",yFormat:"",xScaleDomain:null,yScaleDomain:null};return"undefined"!=typeof vizgSettings&&(c=extend(c,vizgSettings)),a=extend(c,a),a.height=a.height-(a.padding.top+a.padding.bottom),a.width=a.width-(a.padding.left+a.padding.right),"string"==typeof a.colorScale?a.markColor=window.d3.scale[a.colorScale]().range()[0]:a.markColor=a.colorScale[0],a.x=b.names.indexOf(a.x),a.y=b.names.indexOf(a.y),null==a.xScaleDomain&&(a.xScaleDomain={data:a.title,field:b.names[a.x]}),null==a.yScaleDomain&&(a.yScaleDomain={data:a.title,field:b.names[a.y]}),a}function buildTable(a){var b={};return b.metadata=a[0].metadata,b.values=buildData(a[0].data,a[0].metadata),b}function buildData(a,b){for(chartData=[],i=0;i<a.length;i++){var c={};for(x=0;x<b.names.length;x++)c[b.names[x]]=a[i][x];chartData.push(c)}return chartData}function getSymbolMark(a,b){var c;c=-1!=a.color?{scale:"color",field:b.names[a.color]}:{value:a.markColor};var d={name:"points-group",type:"symbol",from:{data:a.title},properties:{update:{x:{scale:"x",field:b.names[a.x]},y:{scale:"y",field:b.names[a.y]},fill:c,size:{value:a.markSize},fillOpacity:{value:a.fillOpacity}},hover:{cursor:{value:a.hoverCursor}}}};return d}function getSignals(a,b){var c=[{name:"hover",init:{},streams:[{type:a.hoverType+":mouseover",expr:"datum"},{type:a.hoverType+":mouseout",expr:"{}"}]}];return c}function bindTooltip(a,b,c,d,e,f){c.on("mouseover",function(c,g){if(null!=g&&"exit"!=g.status&&g.mark.marktype==b){var h=$(".marks")[0];$("#wrapper #tip").length&&$tip.remove(),$(a).wrap("<div id='wrapper' style='position: relative'></div>"),$("#wrapper").append("<div id='tip' class='tooltipClass' style='top:0; left: 0; position: absolute'></div>"),$tip=$("#tip"),$tip.empty();var i=g.datum,j="";for(var k in i)if(i.hasOwnProperty(k))if(void 0!=f){for(var l=0;l<f.length;l++)for(var m in d)if(m==f[l]&&e.names[d[m]]==k){j+="<p>"+f[l]+" ("+k+"):"+i[k]+"</p>";break}}else e.names[d.x]==k&&(j+="<p>X ("+k+"):"+i[k]+"</p>"),e.names[d.y]==k&&(j+="<p>Y ("+k+"):"+i[k]+"</p>");$tip.append(j);var n=h.width,o=h.height,p=$('.marks[style*="width"]');p.length>0&&(n=parseFloat($(".marks")[0].style.width),o=parseFloat($(".marks")[0].style.height));var q,r=$tip.width(),s=$tip.height(),t=g.bounds.x2+d.padding.left+r,u=o-g.bounds.y2-d.padding.top+s,v=g.bounds.y2+d.padding.top-s;q=t>n?g.bounds.x2+d.padding.left-r:g.bounds.x2+d.padding.left,u>o&&(v=g.bounds.y2+d.padding.top),$tip.css({left:q,top:v}).show()}else $("#wrapper #tip").length&&$tip.remove(),$(a).closest("#wrapper").length&&$(a).unwrap()})}function createTooltip(a){document.getElementById(a.replace("#","")).innerHTML=document.getElementById(a.replace("#","")).innerHTML+"<div id= "+a.replace("#","")+"-tooltip></div>"}function bindTooltip(a,b,c,d){b.on("mouseover",function(b,e){if(null!=e&&e.mark.marktype==c.tooltip.type){var f=e.datum;null!=e.datum&&null!=e.datum.a&&(f=e.datum.a);var g=document.getElementById(a.replace("#","")+"-tooltip"),h="";if(null!=f[d.names[c.x]]){var i;if(null==c.tooltip.content){if("time"==d.types[c.x]){var j=d3.time.format(c.dateFormat);i=j(new Date(parseInt(f[d.names[c.x]])))}else i=f[d.names[c.x]];h+="<b>"+d.names[c.x]+"</b> : "+i+"<br/>",null!=f[d.names[c.y]]&&(h+="<b>"+d.names[c.y]+"</b> : "+f[d.names[c.y]]+"<br/>")}else for(var k=0;k<c.tooltip.content.length;k++){if("time"===d.types[d.names.indexOf(c.tooltip.content[k])]){var j=d3.time.format(c.dateFormat);i=j(new Date(parseInt(f[d.names[c.x]])))}else i=f[c.tooltip.content[k]];h+=0!=c.tooltip.label?"<b>"+c.tooltip.content[k]+"</b> : "+i+"<br/>":i+"<br/>"}}""!=h&&(g.innerHTML=h,g.style.padding="5px 5px 5px 5px"),window.onmousemove=function(b){g.style.top=b.clientY+15+"px",g.style.left=b.clientX+10+"px",g.style.zIndex=1e3,g.style.backgroundColor=c.tooltip.color,g.style.position="fixed",g.offsetWidth+b.clientX-(cumulativeOffset(document.getElementById(a.replace("#",""))).left+c.padding.left)>document.getElementById(a.replace("#","")).offsetWidth&&(g.style.left=b.clientX-g.offsetWidth+"px"),b.clientY-(cumulativeOffset(document.getElementById(a.replace("#",""))).top+500)>document.getElementById(a.replace("#","")).offsetHeight&&(g.style.top=b.clientY-400+"px")}}}).on("mouseout",function(b,c){var d=document.getElementById(a.replace("#","")+"-tooltip");d.style.padding="0px 0px 0px 0px",d.innerHTML=""}).update()}function cumulativeOffset(a){var b=0,c=0;do b+=a.offsetTop||0,c+=a.offsetLeft||0,a=a.offsetParent;while(a);return{top:b,left:c}}function getXYAxes(a,b,c,d,e){var f={ticks:{stroke:{value:a.xAxisColor},strokeWidth:{value:a.xAxisStrokeSize}},labels:{fill:{value:a.xAxisColor},fontSize:{value:a.xAxisFontSize}},title:{fontSize:{value:a.xAxisTitleFontSize},fill:{value:a.xAxisTitleFontColor}},axis:{stroke:{value:a.xAxisColor},strokeWidth:{value:a.xAxisSize}}},g={ticks:{stroke:{value:a.yAxisColor},strokeWidth:{value:a.yAxisStrokeSize}},labels:{fill:{value:a.yAxisColor},fontSize:{value:a.yAxisFontSize}},title:{fontSize:{value:a.yAxisTitleFontSize},fill:{value:a.yAxisTitleFontColor}},axis:{stroke:{value:a.yAxisColor},strokeWidth:{value:a.yAxisSize}}};a.xAxisAngle&&(f.labels.angle={value:45},f.labels.align={value:"left"},f.labels.baseline={value:"middle"}),a.yAxisAngle&&(g.labels.angle={value:45},g.labels.align={value:"left"},g.labels.baseline={value:"middle"});var h=[{type:b,scale:c,grid:a.grid,format:a.xFormat,ticks:a.xTicks,title:a.xTitle,properties:f},{type:d,scale:e,grid:a.grid,format:a.yFormat,ticks:a.yTicks,title:a.yTitle,properties:g}];return h}function getXYScales(a,b){var c={name:"x",type:b.types[a.x],range:"width",zero:a.zero,domain:a.xScaleDomain},d={name:"y",type:b.types[a.y],range:"height",zero:a.zero,domain:a.yScaleDomain};return[c,d]}function getRangeSignals(a,b){return b.push({name:"range_start",streams:[{type:"mousedown",expr:"eventX()",scale:{name:"x",invert:!0}}]}),b.push({name:"range_end",streams:[{type:"mousedown, [mousedown, window:mouseup] > window:mousemove",expr:"clamp(eventX(), 0, "+a.width+")",scale:{name:"x",invert:!0}}]}),b}function getRangeMark(a,b){return b.push({type:"rect",properties:{enter:{y:{value:0},height:{value:a.height},fill:{value:a.rangeColor},fillOpacity:{value:.3}},update:{x:{scale:"x",signal:"range_start"},x2:{scale:"x",signal:"range_end"}}}}),b}function getLegend(a){var b=[{name:"legend",fill:"color",title:a.legendTitle,offset:0,properties:{symbols:{stroke:{value:"transparent"}},title:{fill:{value:a.legendTitleColor},fontSize:{value:a.legendTitleFontSize}},labels:{fill:{value:a.legendTextColor},fontSize:{value:a.ledgendTextFontSize}}}}];return b}function drawChart(a,b,c){var d=function(d){if(b.config.tooltip.enabled?(createTooltip(a),b.view=d({el:a}).renderer(b.config.renderer).update(),bindTooltip(a,b.view,b.config,b.metadata)):b.view=d({el:a}).renderer(b.config.renderer).update(),null!=c)for(var e=0;e<c.length;e++)if("range"==c[e].type){var f,g,h=c[e].callback;b.config.range&&(document.getElementById(a.replace("#","")).style.cursor="grab",b.view.onSignal("range_start",function(a,b){f=b}),b.view.onSignal("range_end",function(a,b){g=b,h(f,g)}))}else b.view.on(c[e].type,c[e].callback)}.bind(b);vg.parse.spec(b.spec,d)}var arc=function(a,b){this.metadata=a[0].metadata;var c=[];this.spec={},b=checkConfig(b,this.metadata),this.config=b,a[0].name=b.title;var d={};d[this.metadata.names[b.x]]="sum",console.log(d),a.push({name:"summary",source:b.title,transform:[{type:"aggregate",summarize:d}]}),a.push({name:"layout",source:"table",transform:[{type:"cross","with":"summary"},{type:"pie",field:"a."+this.metadata.names[b.x]},{type:"formula",field:"percentage",expr:"datum.a."+this.metadata.names[b.x]+" / datum.b.sum_"+this.metadata.names[b.x]+" * 100"}]});var e=[];-1==b.colorDomain&&(b.colorDomain={data:b.title,field:this.metadata.names[b.color]});var f={name:"color",type:"ordinal",domain:b.colorDomain,range:b.colorScale};e.push(f),!b.percentage||"pie"!=b.mode&&"donut"!=b.mode?b.percentage&&(a.push({name:"arc",values:[{type:"YES"}]}),c.push(getPieMidText(b,this.metadata))):c.push(getPieText(b,this.metadata)),c.push(getPieMark(b,this.metadata));var g="Legend";"table"!=b.title&&(g=b.title),this.config.legend&&(this.spec.legends=getLegend(this.config)),this.spec.width=b.width,this.spec.height=b.height,this.spec.data=a,this.spec.scales=e,this.spec.padding=b.padding,this.spec.marks=c};arc.prototype.draw=function(a,b){var c=function(c){if(this.config.tooltip.enabled?(this.config.tooltip.type="arc",createTooltip(a),this.view=c({el:a}).renderer(this.config.renderer).update(),bindTooltip(a,this.view,this.config,this.metadata)):this.view=c({el:a}).renderer(this.config.renderer).update(),null!=b)for(var d=0;d<b.length;d++)this.view.on(b[d].type,b[d].callback)}.bind(this);if(-1!=this.config.maxLength){var d=this.spec.data[0].values,e=this.config.maxLength;if(d.length>=this.config.maxLength){for(var f=[],g=d.length-e,h=g;h<d.length;h++)f.push(d[h]);this.spec.data[0].values=f}}vg.parse.spec(this.spec,c)},arc.prototype.insert=function(a){var b=this.metadata.names[this.config.color],c=this.metadata.names[this.config.x],d=this.view,e=!1;for(i=0;i<a.length;i++)this.view.data(this.config.title).update(function(c){return c[b]==a[i][b]},c,function(b){return e=!0,a[i][c]});0==e&&d.data(this.config.title).insert(a),this.view.update({duration:500})},arc.prototype.getSpec=function(){return this.spec};var area=function(a,b){this.metadata=a[0].metadata;var c=[],d=[];this.spec={},b=checkConfig(b,this.metadata),this.config=b,a[0].name=b.title;var e=getXYScales(b,this.metadata);if(delete e[1].zero,-1!=b.color){-1==b.colorDomain&&(b.colorDomain={data:b.title,field:this.metadata.names[b.color]});var f={name:"color",type:"ordinal",domain:b.colorDomain,range:b.colorScale};e.push(f);var g="Legend";"table"!=b.title&&(g=b.title),this.config.legend&&(this.spec.legends=getLegend(this.config))}var h=getXYAxes(b,"x","x","y","y");c.push(getAreaMark(b,this.metadata)),b.fillOpacity=0,b.markSize=1e3,c.push(getSymbolMark(b,this.metadata)),b.range&&(d=getRangeSignals(b,d),c=getRangeMark(b,c)),this.spec.width=b.width,this.spec.height=b.height,this.spec.axes=h,this.spec.data=a,this.spec.scales=e,this.spec.padding=b.padding,this.spec.marks=c,this.spec.signals=d};area.prototype.draw=function(a,b){if(-1!=this.config.maxLength){var c=this.spec.data[0].values,d=this.config.maxLength;if(c.length>=this.config.maxLength){for(var e=[],f=c.length-d,g=f;g<c.length;g++)e.push(c[g]);this.spec.data[0].values=e}}drawChart(a,this,b)},area.prototype.insert=function(a){if(-1!=this.config.maxLength&&this.config.maxLength<this.view.data(this.config.title).values().length+a.length){var b=function(a){return a[this.metadata.names[this.config.x]]==c}.bind(this);for(i=0;i<a.length;i++){var c=this.view.data(this.config.title).values()[i][this.metadata.names[this.config.x]];this.view.data(this.config.title).remove(b)}}this.view.data(this.config.title).insert(a),this.view.update()},area.prototype.getSpec=function(){return this.spec};var bar=function(a,b){this.metadata=a[0].metadata;var c=[],d=[];this.spec={};var e,f,g,h,i,j,k=[];if(b=checkConfig(b,this.metadata),this.config=b,a[0].name=b.title,"left"==b.orientation?(g="height",h="width",i="y",j="x"):(g="width",h="height",i="x",j="y"),-1!=b.color){var l="Legend";"table"!=b.title&&(l=b.title),-1==b.colorDomain&&(b.colorDomain={data:b.title,field:this.metadata.names[b.color]});var m={name:"color",type:"ordinal",domain:b.colorDomain,range:b.colorScale};if(d.push(m),"stack"==b.mode){var n={name:"stack",source:b.title,transform:[{type:"aggregate",groupby:[this.metadata.names[b.x]],summarize:[{field:this.metadata.names[b.y],ops:["sum"]}]}]};a.push(n),e="sum_"+this.metadata.names[b.y],f="stack"}else e=this.metadata.names[b.y],f=b.title;this.config.legend&&(this.spec.legends=getLegend(this.config))}else e=this.metadata.names[b.y],f=b.title;var o={name:"x",type:"ordinal",range:g,domain:b.xScaleDomain};"group"==b.mode&&(o.padding=.2),b.yScaleDomain.constructor!==Array&&(b.yScaleDomain={data:f,field:e});var p={name:"y",type:this.metadata.types[b.y],range:h,domain:b.yScaleDomain};d.push(o),d.push(p);var q=getXYAxes(b,i,"x",j,"y");if(-1!=b.color&&"stack"==b.mode?c.push(getStackBarMark(b,this.metadata)):-1!=b.color&&"group"==b.mode?c.push(getGroupBarMark(b,this.metadata)):c.push(getBarMark(b,this.metadata)),b.range&&(k=getRangeSignals(b,k),c=getRangeMark(b,c)),"left"==b.orientation&&null!=b.text){var r={value:5};if("right"==b.textAlign)var r={scale:"y",field:this.metadata.names[b.y],offset:2};c.push({type:"text",from:{data:"table"},properties:{update:{x:r,dy:{scale:"x",band:!0,mult:.5},y:{scale:"x",field:this.metadata.names[b.x]},align:{value:"left"},text:{field:this.metadata.names[b.x]},fill:{value:b.textColor}}}})}if("single"==b.highlight||"multi"==b.highlight){var s;s="multi"==b.highlight?"!multi":"multi",a.push({name:"selectedPoints",modify:[{type:"clear",test:s},{type:"toggle",signal:"clickedPoint",field:"id"}]}),k.push({name:"clickedPoint",init:0,verbose:!0,streams:[{type:"click",expr:"datum._id"}]},{name:"multi",init:!1,verbose:!0,streams:[{type:"click",expr:"datum._id"}]}),c[0].properties.update.fill=[{test:"indata('selectedPoints', datum._id, 'id')",value:b.selectionColor},c[0].properties.update.fill]}this.spec.width=b.width,this.spec.height=b.height,this.spec.axes=q,this.spec.data=a,this.spec.scales=d,this.spec.padding=b.padding,this.spec.marks=c,this.spec.signals=k;JSON.stringify(this.spec)};bar.prototype.draw=function(a,b){if(-1!=this.config.maxLength){var c=this.spec.data[0].values,d=this.config.maxLength;if(c.length>=this.config.maxLength){for(var e=[],f=c.length-d,g=f;g<c.length;g++)e.push(c[g]);this.spec.data[0].values=e}}this.config.tooltip.type="rect",drawChart(a,this,b)},bar.prototype.insert=function(a){var b=this.metadata.names[this.config.x],c=this.metadata.names[this.config.y],d=(this.metadata.names[this.config.size],this.metadata.names[this.config.color]);if(-1!=this.config.maxLength&&this.config.maxLength<this.view.data(this.config.title).values().length+a.length){var e=this.view.data(this.config.title).values().concat(a),f=[];for(i=0;i<e.length-this.config.maxLength;i++)f.push(this.view.data(this.config.title).values()[i][b]);for(i=0;i<a.length;i++){var g=!1;if(this.view.data(this.config.title).update(function(c){return null==d?c[b]==a[i][b]:c[b]==a[i][b]&&c[d]==a[i][d]},c,function(b){return g=!0,a[i][c]}),g){var h=!1,j=f.indexOf(a[i][b]);j>-1&&(h=!0,f.splice(j,1)),h||f.splice(f.length-1,1)}else this.view.data(this.config.title).insert([a[i]]),this.view.update()}var k,l=function(a){return a[b]==k};for(i=0;i<f.length;i++)k=f[i],this.view.data(this.config.title).remove(l)}else for(i=0;i<a.length;i++){var g=!1;this.view.data(this.config.title).update(function(c){return null==d?c[b]==a[i][b]:c[b]==a[i][b]&&c[d]==a[i][d]},c,function(b){return g=!0,a[i][c]}),g||this.view.data(this.config.title).insert([a[i]])}"group"==this.config.mode?this.view.update():this.view.update({duration:200})},bar.prototype.getSpec=function(){return this.spec},bar.prototype.setSpec=function(a){this.spec=a};var vizg=function(a,b){if(a=buildTable(a),"undefined"!=typeof b.charts&&1==b.charts.length){for(var c in b.charts[0])b.charts[0].hasOwnProperty(c)&&(b[c]=b.charts[0][c]);this.chart=new window[b.type]([a],b)}};vizg.prototype.draw=function(a,b){this.chart.draw(a,b)},vizg.prototype.insert=function(a){this.chart.insert(buildData(a,this.chart.metadata))},vizg.prototype.getSpec=function(){return this.chart.getSpec()};var line=function(a,b){this.metadata=a[0].metadata;var c=[],d=[];this.spec={},b=checkConfig(b,this.metadata),this.config=b,a[0].name=b.title;var e=getXYScales(b,this.metadata);if(-1!=b.color){-1==b.colorDomain&&(b.colorDomain={data:b.title,field:this.metadata.names[b.color]});var f={name:"color",type:"ordinal",domain:b.colorDomain,range:b.colorScale};e.push(f)}var g=getXYAxes(b,"x","x","y","y");if(c.push(getLineMark(b,this.metadata)),b.markSize=20,c.push(getSymbolMark(b,this.metadata)),b.range&&(d=getRangeSignals(b,d),c=getRangeMark(b,c)),-1!=b.color){var h="Legend";"table"!=b.title&&(h=b.title),this.config.legend&&(this.spec.legends=getLegend(this.config))}this.spec.width=b.width,this.spec.height=b.height,this.spec.axes=g,this.spec.data=a,this.spec.scales=e,this.spec.padding=b.padding,this.spec.marks=c,this.spec.signals=d};line.prototype.draw=function(a,b){if(-1!=this.config.maxLength){var c=this.spec.data[0].values,d=this.config.maxLength;if(c.length>=this.config.maxLength){for(var e=[],f=c.length-d,g=f;g<c.length;g++)e.push(c[g]);this.spec.data[0].values=e}}drawChart(a,this,b)},line.prototype.insert=function(a){if(-1!=this.config.maxLength&&this.config.maxLength<this.view.data(this.config.title).values().length+a.length){var b=function(a){return a[this.metadata.names[this.config.x]]==c}.bind(this);for(i=0;i<a.length;i++){var c=this.view.data(this.config.title).values()[i][this.metadata.names[this.config.x]];this.view.data(this.config.title).remove(b)}}this.view.data(this.config.title).insert(a),this.view.update()},line.prototype.getSpec=function(){return this.spec};var map=function(a,b){this.metadata=a[0].metadata;var c,d,e=[],f=[];this.spec={};var g;for(g=loadGeoMapCodes(b.helperUrl),b=checkConfig(b,this.metadata),this.config=b,this.config.geoInfoJson=g,i=0;i<a[0].values.length;i++)for(var h in a[0].values[i])if(h==a[0].metadata.names[b.x]&&a[0].values[i].hasOwnProperty(h)){a[0].values[i].unitName=a[0].values[i][h],a[0].values[i][h]=getMapCode(a[0].values[i][h],b.mapType,g);break}a[0].name=b.title,a[0].transform=[{type:"formula",field:"v",expr:"datum."+this.metadata.names[b.y]}],b.tooltip.enabled&&(c=getMapMark(b,this.metadata),d=getMapSignals(),this.spec.signals=d),a.push(getTopoJson(b,this.metadata)),e.push(getMapPredicates()),b.legend&&f.push(getMapLegends(b,this.metadata));var j={name:"color",type:"linear",domain:{data:"geoData",field:"zipped.v"},domainMin:0,zero:!1,range:b.colorScale},k=[j];this.spec.width=b.width,this.spec.height=b.height,this.spec.data=a,this.spec.scales=k,this.spec.padding=b.padding,this.spec.marks=c,this.spec.predicates=e,this.spec.legends=f};map.prototype.draw=function(a,b){var c=function(c){if(this.view=c({el:a}).renderer(this.config.renderer).update(),null!=b)for(var d=0;d<b.length;d++)this.view.on(b[d].type,b[d].callback)}.bind(this);vg.parse.spec(this.spec,c)},map.prototype.insert=function(a){var b=this.metadata.names[this.config.x],c=this.metadata.names[this.config.y],d=this.metadata.names[this.config.color],e=this.config.mapType,f=this.config.geoInfoJson;for(i=0;i<a.length;i++)for(var g in a[i])if(g==b&&a[i].hasOwnProperty(g)){a[i].unitName=a[i][g],a[i][g]=getMapCode(a[i][g],e,f);break}for(i=0;i<a.length;i++){var h=!1;this.view.data(this.config.title).update(function(c){return c[b]==a[i][b]},c,function(b){return h=!0,a[i][c]}),this.view.data(this.config.title).update(function(c){return c[b]==a[i][b]},d,function(b){return h=!0,a[i][d]}),h||this.view.data(this.config.title).insert([a[i]])}this.view.update()};var number=function(a,b){this.metadata=a[0].metadata,this.data=a[0].values;this.spec={},b=checkConfig(b,this.metadata),this.config=b,a[0].name=b.title};number.prototype.draw=function(a){a=a.replace("#","");var b=a+"Content",c="";null!=this.data&&0!=this.data.length&&(c=this.data[this.data.length-1][this.metadata.names[this.config.x]]);var d="<p style='padding: 0px 0px 0px 20px;'>"+this.config.title+"</p><br/><p align='center' style='font-size:60px;padding: 0px 0px 0px 20px;' id='"+b+"'>"+c+"</p>";document.getElementById(a).innerHTML=d,this.view=b},number.prototype.insert=function(a){document.getElementById(this.view).innerHTML=a[a.length-1][this.metadata.names[this.config.x]]};var scatter=function(a,b){this.metadata=a[0].metadata;var c=[];this.spec={},b=checkConfig(b,this.metadata),this.config=b,a[0].name=b.title;var d={name:"size",type:"linear",range:[0,576],domain:{data:b.title,field:this.metadata.names[b.size]}},e={name:"color",type:this.metadata.types[b.color],range:b.colorScale,domain:{data:b.title,field:this.metadata.names[b.color]}},f=getXYScales(b,this.metadata);f.push(d),f.push(e);var g=getXYAxes(b,"x","x","y","y");c.push(getScatterMark(b,this.metadata)),this.config.legend&&"linear"!=this.metadata.types[b.color]&&(this.spec.legends=getLegend(this.config)),this.spec.width=b.width,this.spec.height=b.height,this.spec.axes=g,this.spec.data=a,this.spec.scales=f,this.spec.padding=b.padding,this.spec.marks=c};scatter.prototype.draw=function(a,b){var c=function(c){if(this.config.tooltip.enabled?(createTooltip(a),this.view=c({el:a}).renderer(this.config.renderer).update(),bindTooltip(a,this.view,this.config,this.metadata)):this.view=c({el:a}).renderer(this.config.renderer).update(),null!=b)for(var d=0;d<b.length;d++)this.view.on(b[d].type,b[d].callback)}.bind(this);if(-1!=this.config.maxLength){var d=this.spec.data[0].values,e=this.config.maxLength;if(d.length>=this.config.maxLength){for(var f=[],g=d.length-e,h=g;h<d.length;h++)f.push(d[h]);this.spec.data[0].values=f}}vg.parse.spec(this.spec,c)},scatter.prototype.insert=function(a){var b=this.metadata.names[this.config.x],c=this.metadata.names[this.config.y],d=this.metadata.names[this.config.size],e=this.metadata.names[this.config.color];if(-1!=this.config.maxLength&&this.config.maxLength<this.view.data(this.config.title).values().length+a.length){var f=this.view.data(this.config.title).values().concat(a),g=[];for(i=0;i<f.length-this.config.maxLength;i++)g.push(this.view.data(this.config.title).values()[i][b]);for(i=0;i<a.length;i++){var h=!1;if(this.view.data(this.config.title).update(function(c){return c[b]==a[i][b]},c,function(b){return h=!0,a[i][c]}),this.view.data(this.config.title).update(function(c){return c[b]==a[i][b]},e,function(b){return h=!0,a[i][e]}),this.view.data(this.config.title).update(function(c){return c[b]==a[i][b]},d,function(b){return h=!0,a[i][d]}),h){var j=!1,k=g.indexOf(a[i][b]);k>-1&&(j=!0,g.splice(k,1)),j||g.splice(g.length-1,1)}else this.view.data(this.config.title).insert([a[i]]),this.view.update()}var l,m=function(a){return a[b]==l};for(i=0;i<g.length;i++)l=g[i],this.view.data(this.config.title).remove(m)}else for(i=0;i<a.length;i++){var h=!1;this.view.data(this.config.title).update(function(c){return c[b]==a[i][b]},c,function(b){return h=!0,a[i][c]}),this.view.data(this.config.title).update(function(c){return c[b]==a[i][b]},e,function(b){return h=!0,a[i][e]}),this.view.data(this.config.title).update(function(c){return c[b]==a[i][b]},d,function(b){return h=!0,a[i][d]}),h||this.view.data(this.config.title).insert([a[i]]);
-}this.view.update({duration:200})},scatter.prototype.getSpec=function(){return this.spec};var table=function(a,b){this.metadata=a[0].metadata,this.data=a[0].values;this.spec={},b=checkConfig(b,this.metadata),this.config=b,a[0].name=b.title};table.prototype.draw=function(a){var b=d3.select(a).append("table").attr("class","table table-bordered").attr("id",this.config.title);b.append("thead").attr("align","center").append("tr").selectAll("th").data(this.config.columnTitles).enter().append("th").html(function(a){return a}),b.append("tbody").attr("id","tableChart-"+this.config.title),this.setupData(this.data,this.config),b.selectAll("thead th").html(function(a){return a.charAt(0).toUpperCase()+a.substr(1)})},table.prototype.insert=function(a){this.setupData(a,this.config)},table.prototype.setupData=function(a,b){for(var c=[],d=this.metadata.names,e=0;e<a.length;e++){for(var f={},g=0;g<b.columns.length;g++)f[b.columns[g]]=a[e][b.columns[g]];c.push(f)}var h=d3.select("#tableChart-"+b.title).selectAll("tr").data(c,function(a){return a[b.key]}),i=h.enter().append("tr").selectAll("td").data(function(a){return b.columns.map(function(b){return{column:b,value:a[b]}})}).enter().append("td");-1!=b.color&&d3.select("#tableChart-"+b.title).selectAll("td").attr("bgcolor",function(a){var c,e=a.key||a.column;c="string"==typeof b.colorScale?window.d3.scale[b.colorScale]().range():b.colorScale;for(var f,g=0;g<d.length;g+=1)d[g]===e&&(f=g);if("string"==typeof a.value){var h;h=-1==b.colorDomain?[d3.min(d3.select("#tableChart-"+b.title).selectAll("tr").data(),function(a){return a[e]}),d3.max(d3.select("#tableChart-"+b.title).selectAll("tr").data(),function(a){return a[e]})]:b.colorDomain;var i=d3.scale.ordinal().range(b.colorScale).domain(h);return i(a.value)}if("*"==b.color||e==d[b.color]){var i=d3.scale.linear().range(["#f2f2f2",c[f]]).domain([d3.min(d3.select("#tableChart-"+b.title).selectAll("tr").data(),function(a){return a[e]}),d3.max(d3.select("#tableChart-"+b.title).selectAll("tr").data(),function(a){return a[e]})]);return i(a.value)}}),i.append("span");var j=h.selectAll("td").style({padding:"0px 10px 0px 10px"}).data(function(a){return d3.map(a).entries()}).attr("class",function(a){return a.key});if(j.select("span").html(function(a){return a.value}),-1!=b.maxLength&&d3.select("tbody").selectAll("tr").data().length>b.maxLength){var k=d3.select("tbody").selectAll("tr").data().slice(d3.select("tbody").selectAll("tr").data().length-b.maxLength,b.maxLength);d3.select("tbody").selectAll("tr").data(k,function(a){return a}).remove()}};var extend=function(a,b){var c,d={};for(c in a)Object.prototype.hasOwnProperty.call(a,c)&&(d[c]=a[c]);for(c in b)Object.prototype.hasOwnProperty.call(b,c)&&(d[c]=b[c]);return d},stack=function(a,b){this.barChart=new bar(a,b),this.metadata=this.barChart.metadata;var c=this.barChart.getSpec();c.axes=[c.axes[0]],c.axes[0].grid=!1,c.data.push({name:"selectedPoints",modify:[{type:"clear",test:"!multi"},{type:"toggle",signal:"clickedPoint",field:"id"}]}),c.signals.push({name:"clickedPoint",init:0,verbose:!0,streams:[{type:"click",expr:"datum._id"}]},{name:"multi",init:!1,verbose:!0,streams:[{type:"click",expr:"datum._id"}]});var d=JSON.parse(JSON.stringify(c.marks[0]));d.type="text",d.properties.update.text={field:c.marks[0].properties.update.fill.field},d.properties.update.x.offset=10,d.properties.update.y.offset=-5,d.properties.update.fill={value:b.legendTitleColor},delete d.properties.update.y2,delete d.properties.hover,c.marks.push(d),delete c.marks[0].properties.hover,c.marks[0].properties.update.fill=[{test:"indata('selectedPoints', datum._id, 'id')",value:b.selectionColor},c.marks[0].properties.update.fill],this.barChart.setSpec(c)};stack.prototype.draw=function(a,b){this.barChart.draw(a,b)},stack.prototype.insert=function(a){this.barChart.insert(a)},stack.prototype.getSpec=function(){return this.barChart.getSpec()};
\ No newline at end of file
diff --git a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/js/VizGrammarSettings.js b/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/js/VizGrammarSettings.js
deleted file mode 100644
index 6753c82d4..000000000
--- a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/js/VizGrammarSettings.js
+++ /dev/null
@@ -1,3 +0,0 @@
-var vizgSettings = {
-    colorScale: ["#343B59","#5a638c","#396B94","#438CAD","#BBBCCD","#597CC3"]
-}
\ No newline at end of file
diff --git a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/js/analyticsUtils.js b/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/js/analyticsUtils.js
deleted file mode 100644
index 3444031c8..000000000
--- a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/js/analyticsUtils.js
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- * Copyright (c)  2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
- *
- * WSO2 Inc. licenses this file to you under the Apache License,
- * Version 2.0 (the "License"); you may not use this file except
- * in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-function addURLParam(key, value) {
-    updateURLParam(key, value)
-}
-
-function updateURLParam(key, value) {
-    if (typeof (history.pushState) === "undefined") {
-        console.warn("Browser doesn't support updating the url.");
-        return;
-    }
-
-    var searchPath = window.parent.location.search,
-        replace = new RegExp("(&|\\?)" + key + "=(.*?)(&|$)", "g"),
-        urlParams = getURLParams(),
-        values = [],
-        unfiltered = "?filtered=false";
-
-    if (Object.prototype.toString.call( value ) === '[object Array]') {
-        values = value;
-    } else if (Object.prototype.toString.call( value ) === "[object String]"){
-        values.push(value);
-    } else {
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deleted file mode 100644
index d482d962a..000000000
--- a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/js/bootstrap-paginator.min.js
+++ /dev/null
@@ -1 +0,0 @@
-!function($){"use strict";var BootstrapPaginator=function(element,options){this.init(element,options)},old=null;BootstrapPaginator.prototype={init:function(element,options){this.$element=$(element);var version=options&&options.bootstrapMajorVersion?options.bootstrapMajorVersion:$.fn.bootstrapPaginator.defaults.bootstrapMajorVersion,id=this.$element.attr("id");if(2===version&&!this.$element.is("div"))throw"in Bootstrap version 2 the pagination must be a div element. Or if you are using Bootstrap pagination 3. 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\ No newline at end of file
diff --git a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/js/d3.min.js b/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/js/d3.min.js
deleted file mode 100644
index e3ee0f911..000000000
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1!=n.getDate()}],["%B",function(n){return n.getMonth()}],["%Y",Ne]]),Kl={range:function(n,t,e){return ta.range(Math.ceil(n/e)*e,+t,e).map(Ko)},floor:Et,ceil:Et};Jl.year=fc.year,fc.scale=function(){return Go(ta.scale.linear(),Jl,Gl)};var Ql=Jl.map(function(n){return[n[0].utc,n[1]]}),ns=$l.multi([[".%L",function(n){return n.getUTCMilliseconds()}],[":%S",function(n){return n.getUTCSeconds()}],["%I:%M",function(n){return n.getUTCMinutes()}],["%I %p",function(n){return n.getUTCHours()}],["%a %d",function(n){return n.getUTCDay()&&1!=n.getUTCDate()}],["%b %d",function(n){return 1!=n.getUTCDate()}],["%B",function(n){return n.getUTCMonth()}],["%Y",Ne]]);Ql.year=fc.year.utc,fc.scale.utc=function(){return Go(ta.scale.linear(),Ql,ns)},ta.text=At(function(n){return n.responseText}),ta.json=function(n,t){return Nt(n,"application/json",Qo,t)},ta.html=function(n,t){return Nt(n,"text/html",na,t)},ta.xml=At(function(n){return n.responseXML}),"function"==typeof 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\ No newline at end of file
diff --git a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/js/gadgetconf.js b/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/js/gadgetconf.js
deleted file mode 100644
index a985978aa..000000000
--- a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/js/gadgetconf.js
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Copyright (c)  2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
- *
- * WSO2 Inc. licenses this file to you under the Apache License,
- * Version 2.0 (the "License"); you may not use this file except
- * in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-var gadgetConfig = {
-    "id": "non-compliant-features",
-    "polling_interval": 30000,
-    "pub_sub_channel": "filter",
-    "source": "https://localhost:9443/api/device-mgt/v1.0/dashboard/non-compliant-device-counts-by-features",
-    "domain": "carbon.super"
-};
diff --git a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/js/jquery.js b/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/js/jquery.js
deleted file mode 100644
index c5c648255..000000000
--- a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/js/jquery.js
+++ /dev/null
@@ -1,9789 +0,0 @@
-/*!
- * jQuery JavaScript Library v1.10.2
- * http://jquery.com/
- *
- * Includes Sizzle.js
- * http://sizzlejs.com/
- *
- * Copyright 2005, 2013 jQuery Foundation, Inc. and other contributors
- * Released under the MIT license
- * http://jquery.org/license
- *
- * Date: 2013-07-03T13:48Z
- */
-(function( window, undefined ) {
-
-// Can't do this because several apps including ASP.NET trace
-// the stack via arguments.caller.callee and Firefox dies if
-// you try to trace through "use strict" call chains. (#13335)
-// Support: Firefox 18+
-//"use strict";
-var
-	// The deferred used on DOM ready
-	readyList,
-
-	// A central reference to the root jQuery(document)
-	rootjQuery,
-
-	// Support: IE<10
-	// For `typeof xmlNode.method` instead of `xmlNode.method !== undefined`
-	core_strundefined = typeof undefined,
-
-	// Use the correct document accordingly with window argument (sandbox)
-	location = window.location,
-	document = window.document,
-	docElem = document.documentElement,
-
-	// Map over jQuery in case of overwrite
-	_jQuery = window.jQuery,
-
-	// Map over the $ in case of overwrite
-	_$ = window.$,
-
-	// [[Class]] -> type pairs
-	class2type = {},
-
-	// List of deleted data cache ids, so we can reuse them
-	core_deletedIds = [],
-
-	core_version = "1.10.2",
-
-	// Save a reference to some core methods
-	core_concat = core_deletedIds.concat,
-	core_push = core_deletedIds.push,
-	core_slice = core_deletedIds.slice,
-	core_indexOf = core_deletedIds.indexOf,
-	core_toString = class2type.toString,
-	core_hasOwn = class2type.hasOwnProperty,
-	core_trim = core_version.trim,
-
-	// Define a local copy of jQuery
-	jQuery = function( selector, context ) {
-		// The jQuery object is actually just the init constructor 'enhanced'
-		return new jQuery.fn.init( selector, context, rootjQuery );
-	},
-
-	// Used for matching numbers
-	core_pnum = /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/.source,
-
-	// Used for splitting on whitespace
-	core_rnotwhite = /\S+/g,
-
-	// Make sure we trim BOM and NBSP (here's looking at you, Safari 5.0 and IE)
-	rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
-
-	// A simple way to check for HTML strings
-	// Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
-	// Strict HTML recognition (#11290: must start with <)
-	rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/,
-
-	// Match a standalone tag
-	rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>|)$/,
-
-	// JSON RegExp
-	rvalidchars = /^[\],:{}\s]*$/,
-	rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g,
-	rvalidescape = /\\(?:["\\\/bfnrt]|u[\da-fA-F]{4})/g,
-	rvalidtokens = /"[^"\\\r\n]*"|true|false|null|-?(?:\d+\.|)\d+(?:[eE][+-]?\d+|)/g,
-
-	// Matches dashed string for camelizing
-	rmsPrefix = /^-ms-/,
-	rdashAlpha = /-([\da-z])/gi,
-
-	// Used by jQuery.camelCase as callback to replace()
-	fcamelCase = function( all, letter ) {
-		return letter.toUpperCase();
-	},
-
-	// The ready event handler
-	completed = function( event ) {
-
-		// readyState === "complete" is good enough for us to call the dom ready in oldIE
-		if ( document.addEventListener || event.type === "load" || document.readyState === "complete" ) {
-			detach();
-			jQuery.ready();
-		}
-	},
-	// Clean-up method for dom ready events
-	detach = function() {
-		if ( document.addEventListener ) {
-			document.removeEventListener( "DOMContentLoaded", completed, false );
-			window.removeEventListener( "load", completed, false );
-
-		} else {
-			document.detachEvent( "onreadystatechange", completed );
-			window.detachEvent( "onload", completed );
-		}
-	};
-
-jQuery.fn = jQuery.prototype = {
-	// The current version of jQuery being used
-	jquery: core_version,
-
-	constructor: jQuery,
-	init: function( selector, context, rootjQuery ) {
-		var match, elem;
-
-		// HANDLE: $(""), $(null), $(undefined), $(false)
-		if ( !selector ) {
-			return this;
-		}
-
-		// Handle HTML strings
-		if ( typeof selector === "string" ) {
-			if ( selector.charAt(0) === "<" && selector.charAt( selector.length - 1 ) === ">" && selector.length >= 3 ) {
-				// Assume that strings that start and end with <> are HTML and skip the regex check
-				match = [ null, selector, null ];
-
-			} else {
-				match = rquickExpr.exec( selector );
-			}
-
-			// Match html or make sure no context is specified for #id
-			if ( match && (match[1] || !context) ) {
-
-				// HANDLE: $(html) -> $(array)
-				if ( match[1] ) {
-					context = context instanceof jQuery ? context[0] : context;
-
-					// scripts is true for back-compat
-					jQuery.merge( this, jQuery.parseHTML(
-						match[1],
-						context && context.nodeType ? context.ownerDocument || context : document,
-						true
-					) );
-
-					// HANDLE: $(html, props)
-					if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) {
-						for ( match in context ) {
-							// Properties of context are called as methods if possible
-							if ( jQuery.isFunction( this[ match ] ) ) {
-								this[ match ]( context[ match ] );
-
-							// ...and otherwise set as attributes
-							} else {
-								this.attr( match, context[ match ] );
-							}
-						}
-					}
-
-					return this;
-
-				// HANDLE: $(#id)
-				} else {
-					elem = document.getElementById( match[2] );
-
-					// Check parentNode to catch when Blackberry 4.6 returns
-					// nodes that are no longer in the document #6963
-					if ( elem && elem.parentNode ) {
-						// Handle the case where IE and Opera return items
-						// by name instead of ID
-						if ( elem.id !== match[2] ) {
-							return rootjQuery.find( selector );
-						}
-
-						// Otherwise, we inject the element directly into the jQuery object
-						this.length = 1;
-						this[0] = elem;
-					}
-
-					this.context = document;
-					this.selector = selector;
-					return this;
-				}
-
-			// HANDLE: $(expr, $(...))
-			} else if ( !context || context.jquery ) {
-				return ( context || rootjQuery ).find( selector );
-
-			// HANDLE: $(expr, context)
-			// (which is just equivalent to: $(context).find(expr)
-			} else {
-				return this.constructor( context ).find( selector );
-			}
-
-		// HANDLE: $(DOMElement)
-		} else if ( selector.nodeType ) {
-			this.context = this[0] = selector;
-			this.length = 1;
-			return this;
-
-		// HANDLE: $(function)
-		// Shortcut for document ready
-		} else if ( jQuery.isFunction( selector ) ) {
-			return rootjQuery.ready( selector );
-		}
-
-		if ( selector.selector !== undefined ) {
-			this.selector = selector.selector;
-			this.context = selector.context;
-		}
-
-		return jQuery.makeArray( selector, this );
-	},
-
-	// Start with an empty selector
-	selector: "",
-
-	// The default length of a jQuery object is 0
-	length: 0,
-
-	toArray: function() {
-		return core_slice.call( this );
-	},
-
-	// Get the Nth element in the matched element set OR
-	// Get the whole matched element set as a clean array
-	get: function( num ) {
-		return num == null ?
-
-			// Return a 'clean' array
-			this.toArray() :
-
-			// Return just the object
-			( num < 0 ? this[ this.length + num ] : this[ num ] );
-	},
-
-	// Take an array of elements and push it onto the stack
-	// (returning the new matched element set)
-	pushStack: function( elems ) {
-
-		// Build a new jQuery matched element set
-		var ret = jQuery.merge( this.constructor(), elems );
-
-		// Add the old object onto the stack (as a reference)
-		ret.prevObject = this;
-		ret.context = this.context;
-
-		// Return the newly-formed element set
-		return ret;
-	},
-
-	// Execute a callback for every element in the matched set.
-	// (You can seed the arguments with an array of args, but this is
-	// only used internally.)
-	each: function( callback, args ) {
-		return jQuery.each( this, callback, args );
-	},
-
-	ready: function( fn ) {
-		// Add the callback
-		jQuery.ready.promise().done( fn );
-
-		return this;
-	},
-
-	slice: function() {
-		return this.pushStack( core_slice.apply( this, arguments ) );
-	},
-
-	first: function() {
-		return this.eq( 0 );
-	},
-
-	last: function() {
-		return this.eq( -1 );
-	},
-
-	eq: function( i ) {
-		var len = this.length,
-			j = +i + ( i < 0 ? len : 0 );
-		return this.pushStack( j >= 0 && j < len ? [ this[j] ] : [] );
-	},
-
-	map: function( callback ) {
-		return this.pushStack( jQuery.map(this, function( elem, i ) {
-			return callback.call( elem, i, elem );
-		}));
-	},
-
-	end: function() {
-		return this.prevObject || this.constructor(null);
-	},
-
-	// For internal use only.
-	// Behaves like an Array's method, not like a jQuery method.
-	push: core_push,
-	sort: [].sort,
-	splice: [].splice
-};
-
-// Give the init function the jQuery prototype for later instantiation
-jQuery.fn.init.prototype = jQuery.fn;
-
-jQuery.extend = jQuery.fn.extend = function() {
-	var src, copyIsArray, copy, name, options, clone,
-		target = arguments[0] || {},
-		i = 1,
-		length = arguments.length,
-		deep = false;
-
-	// Handle a deep copy situation
-	if ( typeof target === "boolean" ) {
-		deep = target;
-		target = arguments[1] || {};
-		// skip the boolean and the target
-		i = 2;
-	}
-
-	// Handle case when target is a string or something (possible in deep copy)
-	if ( typeof target !== "object" && !jQuery.isFunction(target) ) {
-		target = {};
-	}
-
-	// extend jQuery itself if only one argument is passed
-	if ( length === i ) {
-		target = this;
-		--i;
-	}
-
-	for ( ; i < length; i++ ) {
-		// Only deal with non-null/undefined values
-		if ( (options = arguments[ i ]) != null ) {
-			// Extend the base object
-			for ( name in options ) {
-				src = target[ name ];
-				copy = options[ name ];
-
-				// Prevent never-ending loop
-				if ( target === copy ) {
-					continue;
-				}
-
-				// Recurse if we're merging plain objects or arrays
-				if ( deep && copy && ( jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)) ) ) {
-					if ( copyIsArray ) {
-						copyIsArray = false;
-						clone = src && jQuery.isArray(src) ? src : [];
-
-					} else {
-						clone = src && jQuery.isPlainObject(src) ? src : {};
-					}
-
-					// Never move original objects, clone them
-					target[ name ] = jQuery.extend( deep, clone, copy );
-
-				// Don't bring in undefined values
-				} else if ( copy !== undefined ) {
-					target[ name ] = copy;
-				}
-			}
-		}
-	}
-
-	// Return the modified object
-	return target;
-};
-
-jQuery.extend({
-	// Unique for each copy of jQuery on the page
-	// Non-digits removed to match rinlinejQuery
-	expando: "jQuery" + ( core_version + Math.random() ).replace( /\D/g, "" ),
-
-	noConflict: function( deep ) {
-		if ( window.$ === jQuery ) {
-			window.$ = _$;
-		}
-
-		if ( deep && window.jQuery === jQuery ) {
-			window.jQuery = _jQuery;
-		}
-
-		return jQuery;
-	},
-
-	// Is the DOM ready to be used? Set to true once it occurs.
-	isReady: false,
-
-	// A counter to track how many items to wait for before
-	// the ready event fires. See #6781
-	readyWait: 1,
-
-	// Hold (or release) the ready event
-	holdReady: function( hold ) {
-		if ( hold ) {
-			jQuery.readyWait++;
-		} else {
-			jQuery.ready( true );
-		}
-	},
-
-	// Handle when the DOM is ready
-	ready: function( wait ) {
-
-		// Abort if there are pending holds or we're already ready
-		if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
-			return;
-		}
-
-		// Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
-		if ( !document.body ) {
-			return setTimeout( jQuery.ready );
-		}
-
-		// Remember that the DOM is ready
-		jQuery.isReady = true;
-
-		// If a normal DOM Ready event fired, decrement, and wait if need be
-		if ( wait !== true && --jQuery.readyWait > 0 ) {
-			return;
-		}
-
-		// If there are functions bound, to execute
-		readyList.resolveWith( document, [ jQuery ] );
-
-		// Trigger any bound ready events
-		if ( jQuery.fn.trigger ) {
-			jQuery( document ).trigger("ready").off("ready");
-		}
-	},
-
-	// See test/unit/core.js for details concerning isFunction.
-	// Since version 1.3, DOM methods and functions like alert
-	// aren't supported. They return false on IE (#2968).
-	isFunction: function( obj ) {
-		return jQuery.type(obj) === "function";
-	},
-
-	isArray: Array.isArray || function( obj ) {
-		return jQuery.type(obj) === "array";
-	},
-
-	isWindow: function( obj ) {
-		/* jshint eqeqeq: false */
-		return obj != null && obj == obj.window;
-	},
-
-	isNumeric: function( obj ) {
-		return !isNaN( parseFloat(obj) ) && isFinite( obj );
-	},
-
-	type: function( obj ) {
-		if ( obj == null ) {
-			return String( obj );
-		}
-		return typeof obj === "object" || typeof obj === "function" ?
-			class2type[ core_toString.call(obj) ] || "object" :
-			typeof obj;
-	},
-
-	isPlainObject: function( obj ) {
-		var key;
-
-		// Must be an Object.
-		// Because of IE, we also have to check the presence of the constructor property.
-		// Make sure that DOM nodes and window objects don't pass through, as well
-		if ( !obj || jQuery.type(obj) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
-			return false;
-		}
-
-		try {
-			// Not own constructor property must be Object
-			if ( obj.constructor &&
-				!core_hasOwn.call(obj, "constructor") &&
-				!core_hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) {
-				return false;
-			}
-		} catch ( e ) {
-			// IE8,9 Will throw exceptions on certain host objects #9897
-			return false;
-		}
-
-		// Support: IE<9
-		// Handle iteration over inherited properties before own properties.
-		if ( jQuery.support.ownLast ) {
-			for ( key in obj ) {
-				return core_hasOwn.call( obj, key );
-			}
-		}
-
-		// Own properties are enumerated firstly, so to speed up,
-		// if last one is own, then all properties are own.
-		for ( key in obj ) {}
-
-		return key === undefined || core_hasOwn.call( obj, key );
-	},
-
-	isEmptyObject: function( obj ) {
-		var name;
-		for ( name in obj ) {
-			return false;
-		}
-		return true;
-	},
-
-	error: function( msg ) {
-		throw new Error( msg );
-	},
-
-	// data: string of html
-	// context (optional): If specified, the fragment will be created in this context, defaults to document
-	// keepScripts (optional): If true, will include scripts passed in the html string
-	parseHTML: function( data, context, keepScripts ) {
-		if ( !data || typeof data !== "string" ) {
-			return null;
-		}
-		if ( typeof context === "boolean" ) {
-			keepScripts = context;
-			context = false;
-		}
-		context = context || document;
-
-		var parsed = rsingleTag.exec( data ),
-			scripts = !keepScripts && [];
-
-		// Single tag
-		if ( parsed ) {
-			return [ context.createElement( parsed[1] ) ];
-		}
-
-		parsed = jQuery.buildFragment( [ data ], context, scripts );
-		if ( scripts ) {
-			jQuery( scripts ).remove();
-		}
-		return jQuery.merge( [], parsed.childNodes );
-	},
-
-	parseJSON: function( data ) {
-		// Attempt to parse using the native JSON parser first
-		if ( window.JSON && window.JSON.parse ) {
-			return window.JSON.parse( data );
-		}
-
-		if ( data === null ) {
-			return data;
-		}
-
-		if ( typeof data === "string" ) {
-
-			// Make sure leading/trailing whitespace is removed (IE can't handle it)
-			data = jQuery.trim( data );
-
-			if ( data ) {
-				// Make sure the incoming data is actual JSON
-				// Logic borrowed from http://json.org/json2.js
-				if ( rvalidchars.test( data.replace( rvalidescape, "@" )
-					.replace( rvalidtokens, "]" )
-					.replace( rvalidbraces, "")) ) {
-
-					return ( new Function( "return " + data ) )();
-				}
-			}
-		}
-
-		jQuery.error( "Invalid JSON: " + data );
-	},
-
-	// Cross-browser xml parsing
-	parseXML: function( data ) {
-		var xml, tmp;
-		if ( !data || typeof data !== "string" ) {
-			return null;
-		}
-		try {
-			if ( window.DOMParser ) { // Standard
-				tmp = new DOMParser();
-				xml = tmp.parseFromString( data , "text/xml" );
-			} else { // IE
-				xml = new ActiveXObject( "Microsoft.XMLDOM" );
-				xml.async = "false";
-				xml.loadXML( data );
-			}
-		} catch( e ) {
-			xml = undefined;
-		}
-		if ( !xml || !xml.documentElement || xml.getElementsByTagName( "parsererror" ).length ) {
-			jQuery.error( "Invalid XML: " + data );
-		}
-		return xml;
-	},
-
-	noop: function() {},
-
-	// Evaluates a script in a global context
-	// Workarounds based on findings by Jim Driscoll
-	// http://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context
-	globalEval: function( data ) {
-		if ( data && jQuery.trim( data ) ) {
-			// We use execScript on Internet Explorer
-			// We use an anonymous function so that context is window
-			// rather than jQuery in Firefox
-			( window.execScript || function( data ) {
-				window[ "eval" ].call( window, data );
-			} )( data );
-		}
-	},
-
-	// Convert dashed to camelCase; used by the css and data modules
-	// Microsoft forgot to hump their vendor prefix (#9572)
-	camelCase: function( string ) {
-		return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
-	},
-
-	nodeName: function( elem, name ) {
-		return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
-	},
-
-	// args is for internal usage only
-	each: function( obj, callback, args ) {
-		var value,
-			i = 0,
-			length = obj.length,
-			isArray = isArraylike( obj );
-
-		if ( args ) {
-			if ( isArray ) {
-				for ( ; i < length; i++ ) {
-					value = callback.apply( obj[ i ], args );
-
-					if ( value === false ) {
-						break;
-					}
-				}
-			} else {
-				for ( i in obj ) {
-					value = callback.apply( obj[ i ], args );
-
-					if ( value === false ) {
-						break;
-					}
-				}
-			}
-
-		// A special, fast, case for the most common use of each
-		} else {
-			if ( isArray ) {
-				for ( ; i < length; i++ ) {
-					value = callback.call( obj[ i ], i, obj[ i ] );
-
-					if ( value === false ) {
-						break;
-					}
-				}
-			} else {
-				for ( i in obj ) {
-					value = callback.call( obj[ i ], i, obj[ i ] );
-
-					if ( value === false ) {
-						break;
-					}
-				}
-			}
-		}
-
-		return obj;
-	},
-
-	// Use native String.trim function wherever possible
-	trim: core_trim && !core_trim.call("\uFEFF\xA0") ?
-		function( text ) {
-			return text == null ?
-				"" :
-				core_trim.call( text );
-		} :
-
-		// Otherwise use our own trimming functionality
-		function( text ) {
-			return text == null ?
-				"" :
-				( text + "" ).replace( rtrim, "" );
-		},
-
-	// results is for internal usage only
-	makeArray: function( arr, results ) {
-		var ret = results || [];
-
-		if ( arr != null ) {
-			if ( isArraylike( Object(arr) ) ) {
-				jQuery.merge( ret,
-					typeof arr === "string" ?
-					[ arr ] : arr
-				);
-			} else {
-				core_push.call( ret, arr );
-			}
-		}
-
-		return ret;
-	},
-
-	inArray: function( elem, arr, i ) {
-		var len;
-
-		if ( arr ) {
-			if ( core_indexOf ) {
-				return core_indexOf.call( arr, elem, i );
-			}
-
-			len = arr.length;
-			i = i ? i < 0 ? Math.max( 0, len + i ) : i : 0;
-
-			for ( ; i < len; i++ ) {
-				// Skip accessing in sparse arrays
-				if ( i in arr && arr[ i ] === elem ) {
-					return i;
-				}
-			}
-		}
-
-		return -1;
-	},
-
-	merge: function( first, second ) {
-		var l = second.length,
-			i = first.length,
-			j = 0;
-
-		if ( typeof l === "number" ) {
-			for ( ; j < l; j++ ) {
-				first[ i++ ] = second[ j ];
-			}
-		} else {
-			while ( second[j] !== undefined ) {
-				first[ i++ ] = second[ j++ ];
-			}
-		}
-
-		first.length = i;
-
-		return first;
-	},
-
-	grep: function( elems, callback, inv ) {
-		var retVal,
-			ret = [],
-			i = 0,
-			length = elems.length;
-		inv = !!inv;
-
-		// Go through the array, only saving the items
-		// that pass the validator function
-		for ( ; i < length; i++ ) {
-			retVal = !!callback( elems[ i ], i );
-			if ( inv !== retVal ) {
-				ret.push( elems[ i ] );
-			}
-		}
-
-		return ret;
-	},
-
-	// arg is for internal usage only
-	map: function( elems, callback, arg ) {
-		var value,
-			i = 0,
-			length = elems.length,
-			isArray = isArraylike( elems ),
-			ret = [];
-
-		// Go through the array, translating each of the items to their
-		if ( isArray ) {
-			for ( ; i < length; i++ ) {
-				value = callback( elems[ i ], i, arg );
-
-				if ( value != null ) {
-					ret[ ret.length ] = value;
-				}
-			}
-
-		// Go through every key on the object,
-		} else {
-			for ( i in elems ) {
-				value = callback( elems[ i ], i, arg );
-
-				if ( value != null ) {
-					ret[ ret.length ] = value;
-				}
-			}
-		}
-
-		// Flatten any nested arrays
-		return core_concat.apply( [], ret );
-	},
-
-	// A global GUID counter for objects
-	guid: 1,
-
-	// Bind a function to a context, optionally partially applying any
-	// arguments.
-	proxy: function( fn, context ) {
-		var args, proxy, tmp;
-
-		if ( typeof context === "string" ) {
-			tmp = fn[ context ];
-			context = fn;
-			fn = tmp;
-		}
-
-		// Quick check to determine if target is callable, in the spec
-		// this throws a TypeError, but we will just return undefined.
-		if ( !jQuery.isFunction( fn ) ) {
-			return undefined;
-		}
-
-		// Simulated bind
-		args = core_slice.call( arguments, 2 );
-		proxy = function() {
-			return fn.apply( context || this, args.concat( core_slice.call( arguments ) ) );
-		};
-
-		// Set the guid of unique handler to the same of original handler, so it can be removed
-		proxy.guid = fn.guid = fn.guid || jQuery.guid++;
-
-		return proxy;
-	},
-
-	// Multifunctional method to get and set values of a collection
-	// The value/s can optionally be executed if it's a function
-	access: function( elems, fn, key, value, chainable, emptyGet, raw ) {
-		var i = 0,
-			length = elems.length,
-			bulk = key == null;
-
-		// Sets many values
-		if ( jQuery.type( key ) === "object" ) {
-			chainable = true;
-			for ( i in key ) {
-				jQuery.access( elems, fn, i, key[i], true, emptyGet, raw );
-			}
-
-		// Sets one value
-		} else if ( value !== undefined ) {
-			chainable = true;
-
-			if ( !jQuery.isFunction( value ) ) {
-				raw = true;
-			}
-
-			if ( bulk ) {
-				// Bulk operations run against the entire set
-				if ( raw ) {
-					fn.call( elems, value );
-					fn = null;
-
-				// ...except when executing function values
-				} else {
-					bulk = fn;
-					fn = function( elem, key, value ) {
-						return bulk.call( jQuery( elem ), value );
-					};
-				}
-			}
-
-			if ( fn ) {
-				for ( ; i < length; i++ ) {
-					fn( elems[i], key, raw ? value : value.call( elems[i], i, fn( elems[i], key ) ) );
-				}
-			}
-		}
-
-		return chainable ?
-			elems :
-
-			// Gets
-			bulk ?
-				fn.call( elems ) :
-				length ? fn( elems[0], key ) : emptyGet;
-	},
-
-	now: function() {
-		return ( new Date() ).getTime();
-	},
-
-	// A method for quickly swapping in/out CSS properties to get correct calculations.
-	// Note: this method belongs to the css module but it's needed here for the support module.
-	// If support gets modularized, this method should be moved back to the css module.
-	swap: function( elem, options, callback, args ) {
-		var ret, name,
-			old = {};
-
-		// Remember the old values, and insert the new ones
-		for ( name in options ) {
-			old[ name ] = elem.style[ name ];
-			elem.style[ name ] = options[ name ];
-		}
-
-		ret = callback.apply( elem, args || [] );
-
-		// Revert the old values
-		for ( name in options ) {
-			elem.style[ name ] = old[ name ];
-		}
-
-		return ret;
-	}
-});
-
-jQuery.ready.promise = function( obj ) {
-	if ( !readyList ) {
-
-		readyList = jQuery.Deferred();
-
-		// Catch cases where $(document).ready() is called after the browser event has already occurred.
-		// we once tried to use readyState "interactive" here, but it caused issues like the one
-		// discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15
-		if ( document.readyState === "complete" ) {
-			// Handle it asynchronously to allow scripts the opportunity to delay ready
-			setTimeout( jQuery.ready );
-
-		// Standards-based browsers support DOMContentLoaded
-		} else if ( document.addEventListener ) {
-			// Use the handy event callback
-			document.addEventListener( "DOMContentLoaded", completed, false );
-
-			// A fallback to window.onload, that will always work
-			window.addEventListener( "load", completed, false );
-
-		// If IE event model is used
-		} else {
-			// Ensure firing before onload, maybe late but safe also for iframes
-			document.attachEvent( "onreadystatechange", completed );
-
-			// A fallback to window.onload, that will always work
-			window.attachEvent( "onload", completed );
-
-			// If IE and not a frame
-			// continually check to see if the document is ready
-			var top = false;
-
-			try {
-				top = window.frameElement == null && document.documentElement;
-			} catch(e) {}
-
-			if ( top && top.doScroll ) {
-				(function doScrollCheck() {
-					if ( !jQuery.isReady ) {
-
-						try {
-							// Use the trick by Diego Perini
-							// http://javascript.nwbox.com/IEContentLoaded/
-							top.doScroll("left");
-						} catch(e) {
-							return setTimeout( doScrollCheck, 50 );
-						}
-
-						// detach all dom ready events
-						detach();
-
-						// and execute any waiting functions
-						jQuery.ready();
-					}
-				})();
-			}
-		}
-	}
-	return readyList.promise( obj );
-};
-
-// Populate the class2type map
-jQuery.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) {
-	class2type[ "[object " + name + "]" ] = name.toLowerCase();
-});
-
-function isArraylike( obj ) {
-	var length = obj.length,
-		type = jQuery.type( obj );
-
-	if ( jQuery.isWindow( obj ) ) {
-		return false;
-	}
-
-	if ( obj.nodeType === 1 && length ) {
-		return true;
-	}
-
-	return type === "array" || type !== "function" &&
-		( length === 0 ||
-		typeof length === "number" && length > 0 && ( length - 1 ) in obj );
-}
-
-// All jQuery objects should point back to these
-rootjQuery = jQuery(document);
-/*!
- * Sizzle CSS Selector Engine v1.10.2
- * http://sizzlejs.com/
- *
- * Copyright 2013 jQuery Foundation, Inc. and other contributors
- * Released under the MIT license
- * http://jquery.org/license
- *
- * Date: 2013-07-03
- */
-(function( window, undefined ) {
-
-var i,
-	support,
-	cachedruns,
-	Expr,
-	getText,
-	isXML,
-	compile,
-	outermostContext,
-	sortInput,
-
-	// Local document vars
-	setDocument,
-	document,
-	docElem,
-	documentIsHTML,
-	rbuggyQSA,
-	rbuggyMatches,
-	matches,
-	contains,
-
-	// Instance-specific data
-	expando = "sizzle" + -(new Date()),
-	preferredDoc = window.document,
-	dirruns = 0,
-	done = 0,
-	classCache = createCache(),
-	tokenCache = createCache(),
-	compilerCache = createCache(),
-	hasDuplicate = false,
-	sortOrder = function( a, b ) {
-		if ( a === b ) {
-			hasDuplicate = true;
-			return 0;
-		}
-		return 0;
-	},
-
-	// General-purpose constants
-	strundefined = typeof undefined,
-	MAX_NEGATIVE = 1 << 31,
-
-	// Instance methods
-	hasOwn = ({}).hasOwnProperty,
-	arr = [],
-	pop = arr.pop,
-	push_native = arr.push,
-	push = arr.push,
-	slice = arr.slice,
-	// Use a stripped-down indexOf if we can't use a native one
-	indexOf = arr.indexOf || function( elem ) {
-		var i = 0,
-			len = this.length;
-		for ( ; i < len; i++ ) {
-			if ( this[i] === elem ) {
-				return i;
-			}
-		}
-		return -1;
-	},
-
-	booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
-
-	// Regular expressions
-
-	// Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace
-	whitespace = "[\\x20\\t\\r\\n\\f]",
-	// http://www.w3.org/TR/css3-syntax/#characters
-	characterEncoding = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",
-
-	// Loosely modeled on CSS identifier characters
-	// An unquoted value should be a CSS identifier http://www.w3.org/TR/css3-selectors/#attribute-selectors
-	// Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
-	identifier = characterEncoding.replace( "w", "w#" ),
-
-	// Acceptable operators http://www.w3.org/TR/selectors/#attribute-selectors
-	attributes = "\\[" + whitespace + "*(" + characterEncoding + ")" + whitespace +
-		"*(?:([*^$|!~]?=)" + whitespace + "*(?:(['\"])((?:\\\\.|[^\\\\])*?)\\3|(" + identifier + ")|)|)" + whitespace + "*\\]",
-
-	// Prefer arguments quoted,
-	//   then not containing pseudos/brackets,
-	//   then attribute selectors/non-parenthetical expressions,
-	//   then anything else
-	// These preferences are here to reduce the number of selectors
-	//   needing tokenize in the PSEUDO preFilter
-	pseudos = ":(" + characterEncoding + ")(?:\\(((['\"])((?:\\\\.|[^\\\\])*?)\\3|((?:\\\\.|[^\\\\()[\\]]|" + attributes.replace( 3, 8 ) + ")*)|.*)\\)|)",
-
-	// Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
-	rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
-
-	rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
-	rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
-
-	rsibling = new RegExp( whitespace + "*[+~]" ),
-	rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*)" + whitespace + "*\\]", "g" ),
-
-	rpseudo = new RegExp( pseudos ),
-	ridentifier = new RegExp( "^" + identifier + "$" ),
-
-	matchExpr = {
-		"ID": new RegExp( "^#(" + characterEncoding + ")" ),
-		"CLASS": new RegExp( "^\\.(" + characterEncoding + ")" ),
-		"TAG": new RegExp( "^(" + characterEncoding.replace( "w", "w*" ) + ")" ),
-		"ATTR": new RegExp( "^" + attributes ),
-		"PSEUDO": new RegExp( "^" + pseudos ),
-		"CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
-			"*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
-			"*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
-		"bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
-		// For use in libraries implementing .is()
-		// We use this for POS matching in `select`
-		"needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
-			whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
-	},
-
-	rnative = /^[^{]+\{\s*\[native \w/,
-
-	// Easily-parseable/retrievable ID or TAG or CLASS selectors
-	rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
-
-	rinputs = /^(?:input|select|textarea|button)$/i,
-	rheader = /^h\d$/i,
-
-	rescape = /'|\\/g,
-
-	// CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
-	runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
-	funescape = function( _, escaped, escapedWhitespace ) {
-		var high = "0x" + escaped - 0x10000;
-		// NaN means non-codepoint
-		// Support: Firefox
-		// Workaround erroneous numeric interpretation of +"0x"
-		return high !== high || escapedWhitespace ?
-			escaped :
-			// BMP codepoint
-			high < 0 ?
-				String.fromCharCode( high + 0x10000 ) :
-				// Supplemental Plane codepoint (surrogate pair)
-				String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
-	};
-
-// Optimize for push.apply( _, NodeList )
-try {
-	push.apply(
-		(arr = slice.call( preferredDoc.childNodes )),
-		preferredDoc.childNodes
-	);
-	// Support: Android<4.0
-	// Detect silently failing push.apply
-	arr[ preferredDoc.childNodes.length ].nodeType;
-} catch ( e ) {
-	push = { apply: arr.length ?
-
-		// Leverage slice if possible
-		function( target, els ) {
-			push_native.apply( target, slice.call(els) );
-		} :
-
-		// Support: IE<9
-		// Otherwise append directly
-		function( target, els ) {
-			var j = target.length,
-				i = 0;
-			// Can't trust NodeList.length
-			while ( (target[j++] = els[i++]) ) {}
-			target.length = j - 1;
-		}
-	};
-}
-
-function Sizzle( selector, context, results, seed ) {
-	var match, elem, m, nodeType,
-		// QSA vars
-		i, groups, old, nid, newContext, newSelector;
-
-	if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
-		setDocument( context );
-	}
-
-	context = context || document;
-	results = results || [];
-
-	if ( !selector || typeof selector !== "string" ) {
-		return results;
-	}
-
-	if ( (nodeType = context.nodeType) !== 1 && nodeType !== 9 ) {
-		return [];
-	}
-
-	if ( documentIsHTML && !seed ) {
-
-		// Shortcuts
-		if ( (match = rquickExpr.exec( selector )) ) {
-			// Speed-up: Sizzle("#ID")
-			if ( (m = match[1]) ) {
-				if ( nodeType === 9 ) {
-					elem = context.getElementById( m );
-					// Check parentNode to catch when Blackberry 4.6 returns
-					// nodes that are no longer in the document #6963
-					if ( elem && elem.parentNode ) {
-						// Handle the case where IE, Opera, and Webkit return items
-						// by name instead of ID
-						if ( elem.id === m ) {
-							results.push( elem );
-							return results;
-						}
-					} else {
-						return results;
-					}
-				} else {
-					// Context is not a document
-					if ( context.ownerDocument && (elem = context.ownerDocument.getElementById( m )) &&
-						contains( context, elem ) && elem.id === m ) {
-						results.push( elem );
-						return results;
-					}
-				}
-
-			// Speed-up: Sizzle("TAG")
-			} else if ( match[2] ) {
-				push.apply( results, context.getElementsByTagName( selector ) );
-				return results;
-
-			// Speed-up: Sizzle(".CLASS")
-			} else if ( (m = match[3]) && support.getElementsByClassName && context.getElementsByClassName ) {
-				push.apply( results, context.getElementsByClassName( m ) );
-				return results;
-			}
-		}
-
-		// QSA path
-		if ( support.qsa && (!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
-			nid = old = expando;
-			newContext = context;
-			newSelector = nodeType === 9 && selector;
-
-			// qSA works strangely on Element-rooted queries
-			// We can work around this by specifying an extra ID on the root
-			// and working up from there (Thanks to Andrew Dupont for the technique)
-			// IE 8 doesn't work on object elements
-			if ( nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) {
-				groups = tokenize( selector );
-
-				if ( (old = context.getAttribute("id")) ) {
-					nid = old.replace( rescape, "\\$&" );
-				} else {
-					context.setAttribute( "id", nid );
-				}
-				nid = "[id='" + nid + "'] ";
-
-				i = groups.length;
-				while ( i-- ) {
-					groups[i] = nid + toSelector( groups[i] );
-				}
-				newContext = rsibling.test( selector ) && context.parentNode || context;
-				newSelector = groups.join(",");
-			}
-
-			if ( newSelector ) {
-				try {
-					push.apply( results,
-						newContext.querySelectorAll( newSelector )
-					);
-					return results;
-				} catch(qsaError) {
-				} finally {
-					if ( !old ) {
-						context.removeAttribute("id");
-					}
-				}
-			}
-		}
-	}
-
-	// All others
-	return select( selector.replace( rtrim, "$1" ), context, results, seed );
-}
-
-/**
- * Create key-value caches of limited size
- * @returns {Function(string, Object)} Returns the Object data after storing it on itself with
- *	property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
- *	deleting the oldest entry
- */
-function createCache() {
-	var keys = [];
-
-	function cache( key, value ) {
-		// Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
-		if ( keys.push( key += " " ) > Expr.cacheLength ) {
-			// Only keep the most recent entries
-			delete cache[ keys.shift() ];
-		}
-		return (cache[ key ] = value);
-	}
-	return cache;
-}
-
-/**
- * Mark a function for special use by Sizzle
- * @param {Function} fn The function to mark
- */
-function markFunction( fn ) {
-	fn[ expando ] = true;
-	return fn;
-}
-
-/**
- * Support testing using an element
- * @param {Function} fn Passed the created div and expects a boolean result
- */
-function assert( fn ) {
-	var div = document.createElement("div");
-
-	try {
-		return !!fn( div );
-	} catch (e) {
-		return false;
-	} finally {
-		// Remove from its parent by default
-		if ( div.parentNode ) {
-			div.parentNode.removeChild( div );
-		}
-		// release memory in IE
-		div = null;
-	}
-}
-
-/**
- * Adds the same handler for all of the specified attrs
- * @param {String} attrs Pipe-separated list of attributes
- * @param {Function} handler The method that will be applied
- */
-function addHandle( attrs, handler ) {
-	var arr = attrs.split("|"),
-		i = attrs.length;
-
-	while ( i-- ) {
-		Expr.attrHandle[ arr[i] ] = handler;
-	}
-}
-
-/**
- * Checks document order of two siblings
- * @param {Element} a
- * @param {Element} b
- * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
- */
-function siblingCheck( a, b ) {
-	var cur = b && a,
-		diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
-			( ~b.sourceIndex || MAX_NEGATIVE ) -
-			( ~a.sourceIndex || MAX_NEGATIVE );
-
-	// Use IE sourceIndex if available on both nodes
-	if ( diff ) {
-		return diff;
-	}
-
-	// Check if b follows a
-	if ( cur ) {
-		while ( (cur = cur.nextSibling) ) {
-			if ( cur === b ) {
-				return -1;
-			}
-		}
-	}
-
-	return a ? 1 : -1;
-}
-
-/**
- * Returns a function to use in pseudos for input types
- * @param {String} type
- */
-function createInputPseudo( type ) {
-	return function( elem ) {
-		var name = elem.nodeName.toLowerCase();
-		return name === "input" && elem.type === type;
-	};
-}
-
-/**
- * Returns a function to use in pseudos for buttons
- * @param {String} type
- */
-function createButtonPseudo( type ) {
-	return function( elem ) {
-		var name = elem.nodeName.toLowerCase();
-		return (name === "input" || name === "button") && elem.type === type;
-	};
-}
-
-/**
- * Returns a function to use in pseudos for positionals
- * @param {Function} fn
- */
-function createPositionalPseudo( fn ) {
-	return markFunction(function( argument ) {
-		argument = +argument;
-		return markFunction(function( seed, matches ) {
-			var j,
-				matchIndexes = fn( [], seed.length, argument ),
-				i = matchIndexes.length;
-
-			// Match elements found at the specified indexes
-			while ( i-- ) {
-				if ( seed[ (j = matchIndexes[i]) ] ) {
-					seed[j] = !(matches[j] = seed[j]);
-				}
-			}
-		});
-	});
-}
-
-/**
- * Detect xml
- * @param {Element|Object} elem An element or a document
- */
-isXML = Sizzle.isXML = function( elem ) {
-	// documentElement is verified for cases where it doesn't yet exist
-	// (such as loading iframes in IE - #4833)
-	var documentElement = elem && (elem.ownerDocument || elem).documentElement;
-	return documentElement ? documentElement.nodeName !== "HTML" : false;
-};
-
-// Expose support vars for convenience
-support = Sizzle.support = {};
-
-/**
- * Sets document-related variables once based on the current document
- * @param {Element|Object} [doc] An element or document object to use to set the document
- * @returns {Object} Returns the current document
- */
-setDocument = Sizzle.setDocument = function( node ) {
-	var doc = node ? node.ownerDocument || node : preferredDoc,
-		parent = doc.defaultView;
-
-	// If no document and documentElement is available, return
-	if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
-		return document;
-	}
-
-	// Set our document
-	document = doc;
-	docElem = doc.documentElement;
-
-	// Support tests
-	documentIsHTML = !isXML( doc );
-
-	// Support: IE>8
-	// If iframe document is assigned to "document" variable and if iframe has been reloaded,
-	// IE will throw "permission denied" error when accessing "document" variable, see jQuery #13936
-	// IE6-8 do not support the defaultView property so parent will be undefined
-	if ( parent && parent.attachEvent && parent !== parent.top ) {
-		parent.attachEvent( "onbeforeunload", function() {
-			setDocument();
-		});
-	}
-
-	/* Attributes
-	---------------------------------------------------------------------- */
-
-	// Support: IE<8
-	// Verify that getAttribute really returns attributes and not properties (excepting IE8 booleans)
-	support.attributes = assert(function( div ) {
-		div.className = "i";
-		return !div.getAttribute("className");
-	});
-
-	/* getElement(s)By*
-	---------------------------------------------------------------------- */
-
-	// Check if getElementsByTagName("*") returns only elements
-	support.getElementsByTagName = assert(function( div ) {
-		div.appendChild( doc.createComment("") );
-		return !div.getElementsByTagName("*").length;
-	});
-
-	// Check if getElementsByClassName can be trusted
-	support.getElementsByClassName = assert(function( div ) {
-		div.innerHTML = "<div class='a'></div><div class='a i'></div>";
-
-		// Support: Safari<4
-		// Catch class over-caching
-		div.firstChild.className = "i";
-		// Support: Opera<10
-		// Catch gEBCN failure to find non-leading classes
-		return div.getElementsByClassName("i").length === 2;
-	});
-
-	// Support: IE<10
-	// Check if getElementById returns elements by name
-	// The broken getElementById methods don't pick up programatically-set names,
-	// so use a roundabout getElementsByName test
-	support.getById = assert(function( div ) {
-		docElem.appendChild( div ).id = expando;
-		return !doc.getElementsByName || !doc.getElementsByName( expando ).length;
-	});
-
-	// ID find and filter
-	if ( support.getById ) {
-		Expr.find["ID"] = function( id, context ) {
-			if ( typeof context.getElementById !== strundefined && documentIsHTML ) {
-				var m = context.getElementById( id );
-				// Check parentNode to catch when Blackberry 4.6 returns
-				// nodes that are no longer in the document #6963
-				return m && m.parentNode ? [m] : [];
-			}
-		};
-		Expr.filter["ID"] = function( id ) {
-			var attrId = id.replace( runescape, funescape );
-			return function( elem ) {
-				return elem.getAttribute("id") === attrId;
-			};
-		};
-	} else {
-		// Support: IE6/7
-		// getElementById is not reliable as a find shortcut
-		delete Expr.find["ID"];
-
-		Expr.filter["ID"] =  function( id ) {
-			var attrId = id.replace( runescape, funescape );
-			return function( elem ) {
-				var node = typeof elem.getAttributeNode !== strundefined && elem.getAttributeNode("id");
-				return node && node.value === attrId;
-			};
-		};
-	}
-
-	// Tag
-	Expr.find["TAG"] = support.getElementsByTagName ?
-		function( tag, context ) {
-			if ( typeof context.getElementsByTagName !== strundefined ) {
-				return context.getElementsByTagName( tag );
-			}
-		} :
-		function( tag, context ) {
-			var elem,
-				tmp = [],
-				i = 0,
-				results = context.getElementsByTagName( tag );
-
-			// Filter out possible comments
-			if ( tag === "*" ) {
-				while ( (elem = results[i++]) ) {
-					if ( elem.nodeType === 1 ) {
-						tmp.push( elem );
-					}
-				}
-
-				return tmp;
-			}
-			return results;
-		};
-
-	// Class
-	Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
-		if ( typeof context.getElementsByClassName !== strundefined && documentIsHTML ) {
-			return context.getElementsByClassName( className );
-		}
-	};
-
-	/* QSA/matchesSelector
-	---------------------------------------------------------------------- */
-
-	// QSA and matchesSelector support
-
-	// matchesSelector(:active) reports false when true (IE9/Opera 11.5)
-	rbuggyMatches = [];
-
-	// qSa(:focus) reports false when true (Chrome 21)
-	// We allow this because of a bug in IE8/9 that throws an error
-	// whenever `document.activeElement` is accessed on an iframe
-	// So, we allow :focus to pass through QSA all the time to avoid the IE error
-	// See http://bugs.jquery.com/ticket/13378
-	rbuggyQSA = [];
-
-	if ( (support.qsa = rnative.test( doc.querySelectorAll )) ) {
-		// Build QSA regex
-		// Regex strategy adopted from Diego Perini
-		assert(function( div ) {
-			// Select is set to empty string on purpose
-			// This is to test IE's treatment of not explicitly
-			// setting a boolean content attribute,
-			// since its presence should be enough
-			// http://bugs.jquery.com/ticket/12359
-			div.innerHTML = "<select><option selected=''></option></select>";
-
-			// Support: IE8
-			// Boolean attributes and "value" are not treated correctly
-			if ( !div.querySelectorAll("[selected]").length ) {
-				rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
-			}
-
-			// Webkit/Opera - :checked should return selected option elements
-			// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
-			// IE8 throws error here and will not see later tests
-			if ( !div.querySelectorAll(":checked").length ) {
-				rbuggyQSA.push(":checked");
-			}
-		});
-
-		assert(function( div ) {
-
-			// Support: Opera 10-12/IE8
-			// ^= $= *= and empty values
-			// Should not select anything
-			// Support: Windows 8 Native Apps
-			// The type attribute is restricted during .innerHTML assignment
-			var input = doc.createElement("input");
-			input.setAttribute( "type", "hidden" );
-			div.appendChild( input ).setAttribute( "t", "" );
-
-			if ( div.querySelectorAll("[t^='']").length ) {
-				rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
-			}
-
-			// FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
-			// IE8 throws error here and will not see later tests
-			if ( !div.querySelectorAll(":enabled").length ) {
-				rbuggyQSA.push( ":enabled", ":disabled" );
-			}
-
-			// Opera 10-11 does not throw on post-comma invalid pseudos
-			div.querySelectorAll("*,:x");
-			rbuggyQSA.push(",.*:");
-		});
-	}
-
-	if ( (support.matchesSelector = rnative.test( (matches = docElem.webkitMatchesSelector ||
-		docElem.mozMatchesSelector ||
-		docElem.oMatchesSelector ||
-		docElem.msMatchesSelector) )) ) {
-
-		assert(function( div ) {
-			// Check to see if it's possible to do matchesSelector
-			// on a disconnected node (IE 9)
-			support.disconnectedMatch = matches.call( div, "div" );
-
-			// This should fail with an exception
-			// Gecko does not error, returns false instead
-			matches.call( div, "[s!='']:x" );
-			rbuggyMatches.push( "!=", pseudos );
-		});
-	}
-
-	rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
-	rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
-
-	/* Contains
-	---------------------------------------------------------------------- */
-
-	// Element contains another
-	// Purposefully does not implement inclusive descendent
-	// As in, an element does not contain itself
-	contains = rnative.test( docElem.contains ) || docElem.compareDocumentPosition ?
-		function( a, b ) {
-			var adown = a.nodeType === 9 ? a.documentElement : a,
-				bup = b && b.parentNode;
-			return a === bup || !!( bup && bup.nodeType === 1 && (
-				adown.contains ?
-					adown.contains( bup ) :
-					a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
-			));
-		} :
-		function( a, b ) {
-			if ( b ) {
-				while ( (b = b.parentNode) ) {
-					if ( b === a ) {
-						return true;
-					}
-				}
-			}
-			return false;
-		};
-
-	/* Sorting
-	---------------------------------------------------------------------- */
-
-	// Document order sorting
-	sortOrder = docElem.compareDocumentPosition ?
-	function( a, b ) {
-
-		// Flag for duplicate removal
-		if ( a === b ) {
-			hasDuplicate = true;
-			return 0;
-		}
-
-		var compare = b.compareDocumentPosition && a.compareDocumentPosition && a.compareDocumentPosition( b );
-
-		if ( compare ) {
-			// Disconnected nodes
-			if ( compare & 1 ||
-				(!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
-
-				// Choose the first element that is related to our preferred document
-				if ( a === doc || contains(preferredDoc, a) ) {
-					return -1;
-				}
-				if ( b === doc || contains(preferredDoc, b) ) {
-					return 1;
-				}
-
-				// Maintain original order
-				return sortInput ?
-					( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) :
-					0;
-			}
-
-			return compare & 4 ? -1 : 1;
-		}
-
-		// Not directly comparable, sort on existence of method
-		return a.compareDocumentPosition ? -1 : 1;
-	} :
-	function( a, b ) {
-		var cur,
-			i = 0,
-			aup = a.parentNode,
-			bup = b.parentNode,
-			ap = [ a ],
-			bp = [ b ];
-
-		// Exit early if the nodes are identical
-		if ( a === b ) {
-			hasDuplicate = true;
-			return 0;
-
-		// Parentless nodes are either documents or disconnected
-		} else if ( !aup || !bup ) {
-			return a === doc ? -1 :
-				b === doc ? 1 :
-				aup ? -1 :
-				bup ? 1 :
-				sortInput ?
-				( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) :
-				0;
-
-		// If the nodes are siblings, we can do a quick check
-		} else if ( aup === bup ) {
-			return siblingCheck( a, b );
-		}
-
-		// Otherwise we need full lists of their ancestors for comparison
-		cur = a;
-		while ( (cur = cur.parentNode) ) {
-			ap.unshift( cur );
-		}
-		cur = b;
-		while ( (cur = cur.parentNode) ) {
-			bp.unshift( cur );
-		}
-
-		// Walk down the tree looking for a discrepancy
-		while ( ap[i] === bp[i] ) {
-			i++;
-		}
-
-		return i ?
-			// Do a sibling check if the nodes have a common ancestor
-			siblingCheck( ap[i], bp[i] ) :
-
-			// Otherwise nodes in our document sort first
-			ap[i] === preferredDoc ? -1 :
-			bp[i] === preferredDoc ? 1 :
-			0;
-	};
-
-	return doc;
-};
-
-Sizzle.matches = function( expr, elements ) {
-	return Sizzle( expr, null, null, elements );
-};
-
-Sizzle.matchesSelector = function( elem, expr ) {
-	// Set document vars if needed
-	if ( ( elem.ownerDocument || elem ) !== document ) {
-		setDocument( elem );
-	}
-
-	// Make sure that attribute selectors are quoted
-	expr = expr.replace( rattributeQuotes, "='$1']" );
-
-	if ( support.matchesSelector && documentIsHTML &&
-		( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
-		( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {
-
-		try {
-			var ret = matches.call( elem, expr );
-
-			// IE 9's matchesSelector returns false on disconnected nodes
-			if ( ret || support.disconnectedMatch ||
-					// As well, disconnected nodes are said to be in a document
-					// fragment in IE 9
-					elem.document && elem.document.nodeType !== 11 ) {
-				return ret;
-			}
-		} catch(e) {}
-	}
-
-	return Sizzle( expr, document, null, [elem] ).length > 0;
-};
-
-Sizzle.contains = function( context, elem ) {
-	// Set document vars if needed
-	if ( ( context.ownerDocument || context ) !== document ) {
-		setDocument( context );
-	}
-	return contains( context, elem );
-};
-
-Sizzle.attr = function( elem, name ) {
-	// Set document vars if needed
-	if ( ( elem.ownerDocument || elem ) !== document ) {
-		setDocument( elem );
-	}
-
-	var fn = Expr.attrHandle[ name.toLowerCase() ],
-		// Don't get fooled by Object.prototype properties (jQuery #13807)
-		val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
-			fn( elem, name, !documentIsHTML ) :
-			undefined;
-
-	return val === undefined ?
-		support.attributes || !documentIsHTML ?
-			elem.getAttribute( name ) :
-			(val = elem.getAttributeNode(name)) && val.specified ?
-				val.value :
-				null :
-		val;
-};
-
-Sizzle.error = function( msg ) {
-	throw new Error( "Syntax error, unrecognized expression: " + msg );
-};
-
-/**
- * Document sorting and removing duplicates
- * @param {ArrayLike} results
- */
-Sizzle.uniqueSort = function( results ) {
-	var elem,
-		duplicates = [],
-		j = 0,
-		i = 0;
-
-	// Unless we *know* we can detect duplicates, assume their presence
-	hasDuplicate = !support.detectDuplicates;
-	sortInput = !support.sortStable && results.slice( 0 );
-	results.sort( sortOrder );
-
-	if ( hasDuplicate ) {
-		while ( (elem = results[i++]) ) {
-			if ( elem === results[ i ] ) {
-				j = duplicates.push( i );
-			}
-		}
-		while ( j-- ) {
-			results.splice( duplicates[ j ], 1 );
-		}
-	}
-
-	return results;
-};
-
-/**
- * Utility function for retrieving the text value of an array of DOM nodes
- * @param {Array|Element} elem
- */
-getText = Sizzle.getText = function( elem ) {
-	var node,
-		ret = "",
-		i = 0,
-		nodeType = elem.nodeType;
-
-	if ( !nodeType ) {
-		// If no nodeType, this is expected to be an array
-		for ( ; (node = elem[i]); i++ ) {
-			// Do not traverse comment nodes
-			ret += getText( node );
-		}
-	} else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
-		// Use textContent for elements
-		// innerText usage removed for consistency of new lines (see #11153)
-		if ( typeof elem.textContent === "string" ) {
-			return elem.textContent;
-		} else {
-			// Traverse its children
-			for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
-				ret += getText( elem );
-			}
-		}
-	} else if ( nodeType === 3 || nodeType === 4 ) {
-		return elem.nodeValue;
-	}
-	// Do not include comment or processing instruction nodes
-
-	return ret;
-};
-
-Expr = Sizzle.selectors = {
-
-	// Can be adjusted by the user
-	cacheLength: 50,
-
-	createPseudo: markFunction,
-
-	match: matchExpr,
-
-	attrHandle: {},
-
-	find: {},
-
-	relative: {
-		">": { dir: "parentNode", first: true },
-		" ": { dir: "parentNode" },
-		"+": { dir: "previousSibling", first: true },
-		"~": { dir: "previousSibling" }
-	},
-
-	preFilter: {
-		"ATTR": function( match ) {
-			match[1] = match[1].replace( runescape, funescape );
-
-			// Move the given value to match[3] whether quoted or unquoted
-			match[3] = ( match[4] || match[5] || "" ).replace( runescape, funescape );
-
-			if ( match[2] === "~=" ) {
-				match[3] = " " + match[3] + " ";
-			}
-
-			return match.slice( 0, 4 );
-		},
-
-		"CHILD": function( match ) {
-			/* matches from matchExpr["CHILD"]
-				1 type (only|nth|...)
-				2 what (child|of-type)
-				3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
-				4 xn-component of xn+y argument ([+-]?\d*n|)
-				5 sign of xn-component
-				6 x of xn-component
-				7 sign of y-component
-				8 y of y-component
-			*/
-			match[1] = match[1].toLowerCase();
-
-			if ( match[1].slice( 0, 3 ) === "nth" ) {
-				// nth-* requires argument
-				if ( !match[3] ) {
-					Sizzle.error( match[0] );
-				}
-
-				// numeric x and y parameters for Expr.filter.CHILD
-				// remember that false/true cast respectively to 0/1
-				match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
-				match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
-
-			// other types prohibit arguments
-			} else if ( match[3] ) {
-				Sizzle.error( match[0] );
-			}
-
-			return match;
-		},
-
-		"PSEUDO": function( match ) {
-			var excess,
-				unquoted = !match[5] && match[2];
-
-			if ( matchExpr["CHILD"].test( match[0] ) ) {
-				return null;
-			}
-
-			// Accept quoted arguments as-is
-			if ( match[3] && match[4] !== undefined ) {
-				match[2] = match[4];
-
-			// Strip excess characters from unquoted arguments
-			} else if ( unquoted && rpseudo.test( unquoted ) &&
-				// Get excess from tokenize (recursively)
-				(excess = tokenize( unquoted, true )) &&
-				// advance to the next closing parenthesis
-				(excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
-
-				// excess is a negative index
-				match[0] = match[0].slice( 0, excess );
-				match[2] = unquoted.slice( 0, excess );
-			}
-
-			// Return only captures needed by the pseudo filter method (type and argument)
-			return match.slice( 0, 3 );
-		}
-	},
-
-	filter: {
-
-		"TAG": function( nodeNameSelector ) {
-			var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
-			return nodeNameSelector === "*" ?
-				function() { return true; } :
-				function( elem ) {
-					return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
-				};
-		},
-
-		"CLASS": function( className ) {
-			var pattern = classCache[ className + " " ];
-
-			return pattern ||
-				(pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
-				classCache( className, function( elem ) {
-					return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== strundefined && elem.getAttribute("class") || "" );
-				});
-		},
-
-		"ATTR": function( name, operator, check ) {
-			return function( elem ) {
-				var result = Sizzle.attr( elem, name );
-
-				if ( result == null ) {
-					return operator === "!=";
-				}
-				if ( !operator ) {
-					return true;
-				}
-
-				result += "";
-
-				return operator === "=" ? result === check :
-					operator === "!=" ? result !== check :
-					operator === "^=" ? check && result.indexOf( check ) === 0 :
-					operator === "*=" ? check && result.indexOf( check ) > -1 :
-					operator === "$=" ? check && result.slice( -check.length ) === check :
-					operator === "~=" ? ( " " + result + " " ).indexOf( check ) > -1 :
-					operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
-					false;
-			};
-		},
-
-		"CHILD": function( type, what, argument, first, last ) {
-			var simple = type.slice( 0, 3 ) !== "nth",
-				forward = type.slice( -4 ) !== "last",
-				ofType = what === "of-type";
-
-			return first === 1 && last === 0 ?
-
-				// Shortcut for :nth-*(n)
-				function( elem ) {
-					return !!elem.parentNode;
-				} :
-
-				function( elem, context, xml ) {
-					var cache, outerCache, node, diff, nodeIndex, start,
-						dir = simple !== forward ? "nextSibling" : "previousSibling",
-						parent = elem.parentNode,
-						name = ofType && elem.nodeName.toLowerCase(),
-						useCache = !xml && !ofType;
-
-					if ( parent ) {
-
-						// :(first|last|only)-(child|of-type)
-						if ( simple ) {
-							while ( dir ) {
-								node = elem;
-								while ( (node = node[ dir ]) ) {
-									if ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) {
-										return false;
-									}
-								}
-								// Reverse direction for :only-* (if we haven't yet done so)
-								start = dir = type === "only" && !start && "nextSibling";
-							}
-							return true;
-						}
-
-						start = [ forward ? parent.firstChild : parent.lastChild ];
-
-						// non-xml :nth-child(...) stores cache data on `parent`
-						if ( forward && useCache ) {
-							// Seek `elem` from a previously-cached index
-							outerCache = parent[ expando ] || (parent[ expando ] = {});
-							cache = outerCache[ type ] || [];
-							nodeIndex = cache[0] === dirruns && cache[1];
-							diff = cache[0] === dirruns && cache[2];
-							node = nodeIndex && parent.childNodes[ nodeIndex ];
-
-							while ( (node = ++nodeIndex && node && node[ dir ] ||
-
-								// Fallback to seeking `elem` from the start
-								(diff = nodeIndex = 0) || start.pop()) ) {
-
-								// When found, cache indexes on `parent` and break
-								if ( node.nodeType === 1 && ++diff && node === elem ) {
-									outerCache[ type ] = [ dirruns, nodeIndex, diff ];
-									break;
-								}
-							}
-
-						// Use previously-cached element index if available
-						} else if ( useCache && (cache = (elem[ expando ] || (elem[ expando ] = {}))[ type ]) && cache[0] === dirruns ) {
-							diff = cache[1];
-
-						// xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...)
-						} else {
-							// Use the same loop as above to seek `elem` from the start
-							while ( (node = ++nodeIndex && node && node[ dir ] ||
-								(diff = nodeIndex = 0) || start.pop()) ) {
-
-								if ( ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) && ++diff ) {
-									// Cache the index of each encountered element
-									if ( useCache ) {
-										(node[ expando ] || (node[ expando ] = {}))[ type ] = [ dirruns, diff ];
-									}
-
-									if ( node === elem ) {
-										break;
-									}
-								}
-							}
-						}
-
-						// Incorporate the offset, then check against cycle size
-						diff -= last;
-						return diff === first || ( diff % first === 0 && diff / first >= 0 );
-					}
-				};
-		},
-
-		"PSEUDO": function( pseudo, argument ) {
-			// pseudo-class names are case-insensitive
-			// http://www.w3.org/TR/selectors/#pseudo-classes
-			// Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
-			// Remember that setFilters inherits from pseudos
-			var args,
-				fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
-					Sizzle.error( "unsupported pseudo: " + pseudo );
-
-			// The user may use createPseudo to indicate that
-			// arguments are needed to create the filter function
-			// just as Sizzle does
-			if ( fn[ expando ] ) {
-				return fn( argument );
-			}
-
-			// But maintain support for old signatures
-			if ( fn.length > 1 ) {
-				args = [ pseudo, pseudo, "", argument ];
-				return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
-					markFunction(function( seed, matches ) {
-						var idx,
-							matched = fn( seed, argument ),
-							i = matched.length;
-						while ( i-- ) {
-							idx = indexOf.call( seed, matched[i] );
-							seed[ idx ] = !( matches[ idx ] = matched[i] );
-						}
-					}) :
-					function( elem ) {
-						return fn( elem, 0, args );
-					};
-			}
-
-			return fn;
-		}
-	},
-
-	pseudos: {
-		// Potentially complex pseudos
-		"not": markFunction(function( selector ) {
-			// Trim the selector passed to compile
-			// to avoid treating leading and trailing
-			// spaces as combinators
-			var input = [],
-				results = [],
-				matcher = compile( selector.replace( rtrim, "$1" ) );
-
-			return matcher[ expando ] ?
-				markFunction(function( seed, matches, context, xml ) {
-					var elem,
-						unmatched = matcher( seed, null, xml, [] ),
-						i = seed.length;
-
-					// Match elements unmatched by `matcher`
-					while ( i-- ) {
-						if ( (elem = unmatched[i]) ) {
-							seed[i] = !(matches[i] = elem);
-						}
-					}
-				}) :
-				function( elem, context, xml ) {
-					input[0] = elem;
-					matcher( input, null, xml, results );
-					return !results.pop();
-				};
-		}),
-
-		"has": markFunction(function( selector ) {
-			return function( elem ) {
-				return Sizzle( selector, elem ).length > 0;
-			};
-		}),
-
-		"contains": markFunction(function( text ) {
-			return function( elem ) {
-				return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;
-			};
-		}),
-
-		// "Whether an element is represented by a :lang() selector
-		// is based solely on the element's language value
-		// being equal to the identifier C,
-		// or beginning with the identifier C immediately followed by "-".
-		// The matching of C against the element's language value is performed case-insensitively.
-		// The identifier C does not have to be a valid language name."
-		// http://www.w3.org/TR/selectors/#lang-pseudo
-		"lang": markFunction( function( lang ) {
-			// lang value must be a valid identifier
-			if ( !ridentifier.test(lang || "") ) {
-				Sizzle.error( "unsupported lang: " + lang );
-			}
-			lang = lang.replace( runescape, funescape ).toLowerCase();
-			return function( elem ) {
-				var elemLang;
-				do {
-					if ( (elemLang = documentIsHTML ?
-						elem.lang :
-						elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
-
-						elemLang = elemLang.toLowerCase();
-						return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
-					}
-				} while ( (elem = elem.parentNode) && elem.nodeType === 1 );
-				return false;
-			};
-		}),
-
-		// Miscellaneous
-		"target": function( elem ) {
-			var hash = window.location && window.location.hash;
-			return hash && hash.slice( 1 ) === elem.id;
-		},
-
-		"root": function( elem ) {
-			return elem === docElem;
-		},
-
-		"focus": function( elem ) {
-			return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
-		},
-
-		// Boolean properties
-		"enabled": function( elem ) {
-			return elem.disabled === false;
-		},
-
-		"disabled": function( elem ) {
-			return elem.disabled === true;
-		},
-
-		"checked": function( elem ) {
-			// In CSS3, :checked should return both checked and selected elements
-			// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
-			var nodeName = elem.nodeName.toLowerCase();
-			return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
-		},
-
-		"selected": function( elem ) {
-			// Accessing this property makes selected-by-default
-			// options in Safari work properly
-			if ( elem.parentNode ) {
-				elem.parentNode.selectedIndex;
-			}
-
-			return elem.selected === true;
-		},
-
-		// Contents
-		"empty": function( elem ) {
-			// http://www.w3.org/TR/selectors/#empty-pseudo
-			// :empty is only affected by element nodes and content nodes(including text(3), cdata(4)),
-			//   not comment, processing instructions, or others
-			// Thanks to Diego Perini for the nodeName shortcut
-			//   Greater than "@" means alpha characters (specifically not starting with "#" or "?")
-			for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
-				if ( elem.nodeName > "@" || elem.nodeType === 3 || elem.nodeType === 4 ) {
-					return false;
-				}
-			}
-			return true;
-		},
-
-		"parent": function( elem ) {
-			return !Expr.pseudos["empty"]( elem );
-		},
-
-		// Element/input types
-		"header": function( elem ) {
-			return rheader.test( elem.nodeName );
-		},
-
-		"input": function( elem ) {
-			return rinputs.test( elem.nodeName );
-		},
-
-		"button": function( elem ) {
-			var name = elem.nodeName.toLowerCase();
-			return name === "input" && elem.type === "button" || name === "button";
-		},
-
-		"text": function( elem ) {
-			var attr;
-			// IE6 and 7 will map elem.type to 'text' for new HTML5 types (search, etc)
-			// use getAttribute instead to test this case
-			return elem.nodeName.toLowerCase() === "input" &&
-				elem.type === "text" &&
-				( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === elem.type );
-		},
-
-		// Position-in-collection
-		"first": createPositionalPseudo(function() {
-			return [ 0 ];
-		}),
-
-		"last": createPositionalPseudo(function( matchIndexes, length ) {
-			return [ length - 1 ];
-		}),
-
-		"eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
-			return [ argument < 0 ? argument + length : argument ];
-		}),
-
-		"even": createPositionalPseudo(function( matchIndexes, length ) {
-			var i = 0;
-			for ( ; i < length; i += 2 ) {
-				matchIndexes.push( i );
-			}
-			return matchIndexes;
-		}),
-
-		"odd": createPositionalPseudo(function( matchIndexes, length ) {
-			var i = 1;
-			for ( ; i < length; i += 2 ) {
-				matchIndexes.push( i );
-			}
-			return matchIndexes;
-		}),
-
-		"lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
-			var i = argument < 0 ? argument + length : argument;
-			for ( ; --i >= 0; ) {
-				matchIndexes.push( i );
-			}
-			return matchIndexes;
-		}),
-
-		"gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
-			var i = argument < 0 ? argument + length : argument;
-			for ( ; ++i < length; ) {
-				matchIndexes.push( i );
-			}
-			return matchIndexes;
-		})
-	}
-};
-
-Expr.pseudos["nth"] = Expr.pseudos["eq"];
-
-// Add button/input type pseudos
-for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
-	Expr.pseudos[ i ] = createInputPseudo( i );
-}
-for ( i in { submit: true, reset: true } ) {
-	Expr.pseudos[ i ] = createButtonPseudo( i );
-}
-
-// Easy API for creating new setFilters
-function setFilters() {}
-setFilters.prototype = Expr.filters = Expr.pseudos;
-Expr.setFilters = new setFilters();
-
-function tokenize( selector, parseOnly ) {
-	var matched, match, tokens, type,
-		soFar, groups, preFilters,
-		cached = tokenCache[ selector + " " ];
-
-	if ( cached ) {
-		return parseOnly ? 0 : cached.slice( 0 );
-	}
-
-	soFar = selector;
-	groups = [];
-	preFilters = Expr.preFilter;
-
-	while ( soFar ) {
-
-		// Comma and first run
-		if ( !matched || (match = rcomma.exec( soFar )) ) {
-			if ( match ) {
-				// Don't consume trailing commas as valid
-				soFar = soFar.slice( match[0].length ) || soFar;
-			}
-			groups.push( tokens = [] );
-		}
-
-		matched = false;
-
-		// Combinators
-		if ( (match = rcombinators.exec( soFar )) ) {
-			matched = match.shift();
-			tokens.push({
-				value: matched,
-				// Cast descendant combinators to space
-				type: match[0].replace( rtrim, " " )
-			});
-			soFar = soFar.slice( matched.length );
-		}
-
-		// Filters
-		for ( type in Expr.filter ) {
-			if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
-				(match = preFilters[ type ]( match ))) ) {
-				matched = match.shift();
-				tokens.push({
-					value: matched,
-					type: type,
-					matches: match
-				});
-				soFar = soFar.slice( matched.length );
-			}
-		}
-
-		if ( !matched ) {
-			break;
-		}
-	}
-
-	// Return the length of the invalid excess
-	// if we're just parsing
-	// Otherwise, throw an error or return tokens
-	return parseOnly ?
-		soFar.length :
-		soFar ?
-			Sizzle.error( selector ) :
-			// Cache the tokens
-			tokenCache( selector, groups ).slice( 0 );
-}
-
-function toSelector( tokens ) {
-	var i = 0,
-		len = tokens.length,
-		selector = "";
-	for ( ; i < len; i++ ) {
-		selector += tokens[i].value;
-	}
-	return selector;
-}
-
-function addCombinator( matcher, combinator, base ) {
-	var dir = combinator.dir,
-		checkNonElements = base && dir === "parentNode",
-		doneName = done++;
-
-	return combinator.first ?
-		// Check against closest ancestor/preceding element
-		function( elem, context, xml ) {
-			while ( (elem = elem[ dir ]) ) {
-				if ( elem.nodeType === 1 || checkNonElements ) {
-					return matcher( elem, context, xml );
-				}
-			}
-		} :
-
-		// Check against all ancestor/preceding elements
-		function( elem, context, xml ) {
-			var data, cache, outerCache,
-				dirkey = dirruns + " " + doneName;
-
-			// We can't set arbitrary data on XML nodes, so they don't benefit from dir caching
-			if ( xml ) {
-				while ( (elem = elem[ dir ]) ) {
-					if ( elem.nodeType === 1 || checkNonElements ) {
-						if ( matcher( elem, context, xml ) ) {
-							return true;
-						}
-					}
-				}
-			} else {
-				while ( (elem = elem[ dir ]) ) {
-					if ( elem.nodeType === 1 || checkNonElements ) {
-						outerCache = elem[ expando ] || (elem[ expando ] = {});
-						if ( (cache = outerCache[ dir ]) && cache[0] === dirkey ) {
-							if ( (data = cache[1]) === true || data === cachedruns ) {
-								return data === true;
-							}
-						} else {
-							cache = outerCache[ dir ] = [ dirkey ];
-							cache[1] = matcher( elem, context, xml ) || cachedruns;
-							if ( cache[1] === true ) {
-								return true;
-							}
-						}
-					}
-				}
-			}
-		};
-}
-
-function elementMatcher( matchers ) {
-	return matchers.length > 1 ?
-		function( elem, context, xml ) {
-			var i = matchers.length;
-			while ( i-- ) {
-				if ( !matchers[i]( elem, context, xml ) ) {
-					return false;
-				}
-			}
-			return true;
-		} :
-		matchers[0];
-}
-
-function condense( unmatched, map, filter, context, xml ) {
-	var elem,
-		newUnmatched = [],
-		i = 0,
-		len = unmatched.length,
-		mapped = map != null;
-
-	for ( ; i < len; i++ ) {
-		if ( (elem = unmatched[i]) ) {
-			if ( !filter || filter( elem, context, xml ) ) {
-				newUnmatched.push( elem );
-				if ( mapped ) {
-					map.push( i );
-				}
-			}
-		}
-	}
-
-	return newUnmatched;
-}
-
-function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
-	if ( postFilter && !postFilter[ expando ] ) {
-		postFilter = setMatcher( postFilter );
-	}
-	if ( postFinder && !postFinder[ expando ] ) {
-		postFinder = setMatcher( postFinder, postSelector );
-	}
-	return markFunction(function( seed, results, context, xml ) {
-		var temp, i, elem,
-			preMap = [],
-			postMap = [],
-			preexisting = results.length,
-
-			// Get initial elements from seed or context
-			elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
-
-			// Prefilter to get matcher input, preserving a map for seed-results synchronization
-			matcherIn = preFilter && ( seed || !selector ) ?
-				condense( elems, preMap, preFilter, context, xml ) :
-				elems,
-
-			matcherOut = matcher ?
-				// If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
-				postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
-
-					// ...intermediate processing is necessary
-					[] :
-
-					// ...otherwise use results directly
-					results :
-				matcherIn;
-
-		// Find primary matches
-		if ( matcher ) {
-			matcher( matcherIn, matcherOut, context, xml );
-		}
-
-		// Apply postFilter
-		if ( postFilter ) {
-			temp = condense( matcherOut, postMap );
-			postFilter( temp, [], context, xml );
-
-			// Un-match failing elements by moving them back to matcherIn
-			i = temp.length;
-			while ( i-- ) {
-				if ( (elem = temp[i]) ) {
-					matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
-				}
-			}
-		}
-
-		if ( seed ) {
-			if ( postFinder || preFilter ) {
-				if ( postFinder ) {
-					// Get the final matcherOut by condensing this intermediate into postFinder contexts
-					temp = [];
-					i = matcherOut.length;
-					while ( i-- ) {
-						if ( (elem = matcherOut[i]) ) {
-							// Restore matcherIn since elem is not yet a final match
-							temp.push( (matcherIn[i] = elem) );
-						}
-					}
-					postFinder( null, (matcherOut = []), temp, xml );
-				}
-
-				// Move matched elements from seed to results to keep them synchronized
-				i = matcherOut.length;
-				while ( i-- ) {
-					if ( (elem = matcherOut[i]) &&
-						(temp = postFinder ? indexOf.call( seed, elem ) : preMap[i]) > -1 ) {
-
-						seed[temp] = !(results[temp] = elem);
-					}
-				}
-			}
-
-		// Add elements to results, through postFinder if defined
-		} else {
-			matcherOut = condense(
-				matcherOut === results ?
-					matcherOut.splice( preexisting, matcherOut.length ) :
-					matcherOut
-			);
-			if ( postFinder ) {
-				postFinder( null, results, matcherOut, xml );
-			} else {
-				push.apply( results, matcherOut );
-			}
-		}
-	});
-}
-
-function matcherFromTokens( tokens ) {
-	var checkContext, matcher, j,
-		len = tokens.length,
-		leadingRelative = Expr.relative[ tokens[0].type ],
-		implicitRelative = leadingRelative || Expr.relative[" "],
-		i = leadingRelative ? 1 : 0,
-
-		// The foundational matcher ensures that elements are reachable from top-level context(s)
-		matchContext = addCombinator( function( elem ) {
-			return elem === checkContext;
-		}, implicitRelative, true ),
-		matchAnyContext = addCombinator( function( elem ) {
-			return indexOf.call( checkContext, elem ) > -1;
-		}, implicitRelative, true ),
-		matchers = [ function( elem, context, xml ) {
-			return ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
-				(checkContext = context).nodeType ?
-					matchContext( elem, context, xml ) :
-					matchAnyContext( elem, context, xml ) );
-		} ];
-
-	for ( ; i < len; i++ ) {
-		if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
-			matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
-		} else {
-			matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
-
-			// Return special upon seeing a positional matcher
-			if ( matcher[ expando ] ) {
-				// Find the next relative operator (if any) for proper handling
-				j = ++i;
-				for ( ; j < len; j++ ) {
-					if ( Expr.relative[ tokens[j].type ] ) {
-						break;
-					}
-				}
-				return setMatcher(
-					i > 1 && elementMatcher( matchers ),
-					i > 1 && toSelector(
-						// If the preceding token was a descendant combinator, insert an implicit any-element `*`
-						tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
-					).replace( rtrim, "$1" ),
-					matcher,
-					i < j && matcherFromTokens( tokens.slice( i, j ) ),
-					j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
-					j < len && toSelector( tokens )
-				);
-			}
-			matchers.push( matcher );
-		}
-	}
-
-	return elementMatcher( matchers );
-}
-
-function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
-	// A counter to specify which element is currently being matched
-	var matcherCachedRuns = 0,
-		bySet = setMatchers.length > 0,
-		byElement = elementMatchers.length > 0,
-		superMatcher = function( seed, context, xml, results, expandContext ) {
-			var elem, j, matcher,
-				setMatched = [],
-				matchedCount = 0,
-				i = "0",
-				unmatched = seed && [],
-				outermost = expandContext != null,
-				contextBackup = outermostContext,
-				// We must always have either seed elements or context
-				elems = seed || byElement && Expr.find["TAG"]( "*", expandContext && context.parentNode || context ),
-				// Use integer dirruns iff this is the outermost matcher
-				dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1);
-
-			if ( outermost ) {
-				outermostContext = context !== document && context;
-				cachedruns = matcherCachedRuns;
-			}
-
-			// Add elements passing elementMatchers directly to results
-			// Keep `i` a string if there are no elements so `matchedCount` will be "00" below
-			for ( ; (elem = elems[i]) != null; i++ ) {
-				if ( byElement && elem ) {
-					j = 0;
-					while ( (matcher = elementMatchers[j++]) ) {
-						if ( matcher( elem, context, xml ) ) {
-							results.push( elem );
-							break;
-						}
-					}
-					if ( outermost ) {
-						dirruns = dirrunsUnique;
-						cachedruns = ++matcherCachedRuns;
-					}
-				}
-
-				// Track unmatched elements for set filters
-				if ( bySet ) {
-					// They will have gone through all possible matchers
-					if ( (elem = !matcher && elem) ) {
-						matchedCount--;
-					}
-
-					// Lengthen the array for every element, matched or not
-					if ( seed ) {
-						unmatched.push( elem );
-					}
-				}
-			}
-
-			// Apply set filters to unmatched elements
-			matchedCount += i;
-			if ( bySet && i !== matchedCount ) {
-				j = 0;
-				while ( (matcher = setMatchers[j++]) ) {
-					matcher( unmatched, setMatched, context, xml );
-				}
-
-				if ( seed ) {
-					// Reintegrate element matches to eliminate the need for sorting
-					if ( matchedCount > 0 ) {
-						while ( i-- ) {
-							if ( !(unmatched[i] || setMatched[i]) ) {
-								setMatched[i] = pop.call( results );
-							}
-						}
-					}
-
-					// Discard index placeholder values to get only actual matches
-					setMatched = condense( setMatched );
-				}
-
-				// Add matches to results
-				push.apply( results, setMatched );
-
-				// Seedless set matches succeeding multiple successful matchers stipulate sorting
-				if ( outermost && !seed && setMatched.length > 0 &&
-					( matchedCount + setMatchers.length ) > 1 ) {
-
-					Sizzle.uniqueSort( results );
-				}
-			}
-
-			// Override manipulation of globals by nested matchers
-			if ( outermost ) {
-				dirruns = dirrunsUnique;
-				outermostContext = contextBackup;
-			}
-
-			return unmatched;
-		};
-
-	return bySet ?
-		markFunction( superMatcher ) :
-		superMatcher;
-}
-
-compile = Sizzle.compile = function( selector, group /* Internal Use Only */ ) {
-	var i,
-		setMatchers = [],
-		elementMatchers = [],
-		cached = compilerCache[ selector + " " ];
-
-	if ( !cached ) {
-		// Generate a function of recursive functions that can be used to check each element
-		if ( !group ) {
-			group = tokenize( selector );
-		}
-		i = group.length;
-		while ( i-- ) {
-			cached = matcherFromTokens( group[i] );
-			if ( cached[ expando ] ) {
-				setMatchers.push( cached );
-			} else {
-				elementMatchers.push( cached );
-			}
-		}
-
-		// Cache the compiled function
-		cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
-	}
-	return cached;
-};
-
-function multipleContexts( selector, contexts, results ) {
-	var i = 0,
-		len = contexts.length;
-	for ( ; i < len; i++ ) {
-		Sizzle( selector, contexts[i], results );
-	}
-	return results;
-}
-
-function select( selector, context, results, seed ) {
-	var i, tokens, token, type, find,
-		match = tokenize( selector );
-
-	if ( !seed ) {
-		// Try to minimize operations if there is only one group
-		if ( match.length === 1 ) {
-
-			// Take a shortcut and set the context if the root selector is an ID
-			tokens = match[0] = match[0].slice( 0 );
-			if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
-					support.getById && context.nodeType === 9 && documentIsHTML &&
-					Expr.relative[ tokens[1].type ] ) {
-
-				context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
-				if ( !context ) {
-					return results;
-				}
-				selector = selector.slice( tokens.shift().value.length );
-			}
-
-			// Fetch a seed set for right-to-left matching
-			i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
-			while ( i-- ) {
-				token = tokens[i];
-
-				// Abort if we hit a combinator
-				if ( Expr.relative[ (type = token.type) ] ) {
-					break;
-				}
-				if ( (find = Expr.find[ type ]) ) {
-					// Search, expanding context for leading sibling combinators
-					if ( (seed = find(
-						token.matches[0].replace( runescape, funescape ),
-						rsibling.test( tokens[0].type ) && context.parentNode || context
-					)) ) {
-
-						// If seed is empty or no tokens remain, we can return early
-						tokens.splice( i, 1 );
-						selector = seed.length && toSelector( tokens );
-						if ( !selector ) {
-							push.apply( results, seed );
-							return results;
-						}
-
-						break;
-					}
-				}
-			}
-		}
-	}
-
-	// Compile and execute a filtering function
-	// Provide `match` to avoid retokenization if we modified the selector above
-	compile( selector, match )(
-		seed,
-		context,
-		!documentIsHTML,
-		results,
-		rsibling.test( selector )
-	);
-	return results;
-}
-
-// One-time assignments
-
-// Sort stability
-support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
-
-// Support: Chrome<14
-// Always assume duplicates if they aren't passed to the comparison function
-support.detectDuplicates = hasDuplicate;
-
-// Initialize against the default document
-setDocument();
-
-// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
-// Detached nodes confoundingly follow *each other*
-support.sortDetached = assert(function( div1 ) {
-	// Should return 1, but returns 4 (following)
-	return div1.compareDocumentPosition( document.createElement("div") ) & 1;
-});
-
-// Support: IE<8
-// Prevent attribute/property "interpolation"
-// http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
-if ( !assert(function( div ) {
-	div.innerHTML = "<a href='#'></a>";
-	return div.firstChild.getAttribute("href") === "#" ;
-}) ) {
-	addHandle( "type|href|height|width", function( elem, name, isXML ) {
-		if ( !isXML ) {
-			return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
-		}
-	});
-}
-
-// Support: IE<9
-// Use defaultValue in place of getAttribute("value")
-if ( !support.attributes || !assert(function( div ) {
-	div.innerHTML = "<input/>";
-	div.firstChild.setAttribute( "value", "" );
-	return div.firstChild.getAttribute( "value" ) === "";
-}) ) {
-	addHandle( "value", function( elem, name, isXML ) {
-		if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
-			return elem.defaultValue;
-		}
-	});
-}
-
-// Support: IE<9
-// Use getAttributeNode to fetch booleans when getAttribute lies
-if ( !assert(function( div ) {
-	return div.getAttribute("disabled") == null;
-}) ) {
-	addHandle( booleans, function( elem, name, isXML ) {
-		var val;
-		if ( !isXML ) {
-			return (val = elem.getAttributeNode( name )) && val.specified ?
-				val.value :
-				elem[ name ] === true ? name.toLowerCase() : null;
-		}
-	});
-}
-
-jQuery.find = Sizzle;
-jQuery.expr = Sizzle.selectors;
-jQuery.expr[":"] = jQuery.expr.pseudos;
-jQuery.unique = Sizzle.uniqueSort;
-jQuery.text = Sizzle.getText;
-jQuery.isXMLDoc = Sizzle.isXML;
-jQuery.contains = Sizzle.contains;
-
-
-})( window );
-// String to Object options format cache
-var optionsCache = {};
-
-// Convert String-formatted options into Object-formatted ones and store in cache
-function createOptions( options ) {
-	var object = optionsCache[ options ] = {};
-	jQuery.each( options.match( core_rnotwhite ) || [], function( _, flag ) {
-		object[ flag ] = true;
-	});
-	return object;
-}
-
-/*
- * Create a callback list using the following parameters:
- *
- *	options: an optional list of space-separated options that will change how
- *			the callback list behaves or a more traditional option object
- *
- * By default a callback list will act like an event callback list and can be
- * "fired" multiple times.
- *
- * Possible options:
- *
- *	once:			will ensure the callback list can only be fired once (like a Deferred)
- *
- *	memory:			will keep track of previous values and will call any callback added
- *					after the list has been fired right away with the latest "memorized"
- *					values (like a Deferred)
- *
- *	unique:			will ensure a callback can only be added once (no duplicate in the list)
- *
- *	stopOnFalse:	interrupt callings when a callback returns false
- *
- */
-jQuery.Callbacks = function( options ) {
-
-	// Convert options from String-formatted to Object-formatted if needed
-	// (we check in cache first)
-	options = typeof options === "string" ?
-		( optionsCache[ options ] || createOptions( options ) ) :
-		jQuery.extend( {}, options );
-
-	var // Flag to know if list is currently firing
-		firing,
-		// Last fire value (for non-forgettable lists)
-		memory,
-		// Flag to know if list was already fired
-		fired,
-		// End of the loop when firing
-		firingLength,
-		// Index of currently firing callback (modified by remove if needed)
-		firingIndex,
-		// First callback to fire (used internally by add and fireWith)
-		firingStart,
-		// Actual callback list
-		list = [],
-		// Stack of fire calls for repeatable lists
-		stack = !options.once && [],
-		// Fire callbacks
-		fire = function( data ) {
-			memory = options.memory && data;
-			fired = true;
-			firingIndex = firingStart || 0;
-			firingStart = 0;
-			firingLength = list.length;
-			firing = true;
-			for ( ; list && firingIndex < firingLength; firingIndex++ ) {
-				if ( list[ firingIndex ].apply( data[ 0 ], data[ 1 ] ) === false && options.stopOnFalse ) {
-					memory = false; // To prevent further calls using add
-					break;
-				}
-			}
-			firing = false;
-			if ( list ) {
-				if ( stack ) {
-					if ( stack.length ) {
-						fire( stack.shift() );
-					}
-				} else if ( memory ) {
-					list = [];
-				} else {
-					self.disable();
-				}
-			}
-		},
-		// Actual Callbacks object
-		self = {
-			// Add a callback or a collection of callbacks to the list
-			add: function() {
-				if ( list ) {
-					// First, we save the current length
-					var start = list.length;
-					(function add( args ) {
-						jQuery.each( args, function( _, arg ) {
-							var type = jQuery.type( arg );
-							if ( type === "function" ) {
-								if ( !options.unique || !self.has( arg ) ) {
-									list.push( arg );
-								}
-							} else if ( arg && arg.length && type !== "string" ) {
-								// Inspect recursively
-								add( arg );
-							}
-						});
-					})( arguments );
-					// Do we need to add the callbacks to the
-					// current firing batch?
-					if ( firing ) {
-						firingLength = list.length;
-					// With memory, if we're not firing then
-					// we should call right away
-					} else if ( memory ) {
-						firingStart = start;
-						fire( memory );
-					}
-				}
-				return this;
-			},
-			// Remove a callback from the list
-			remove: function() {
-				if ( list ) {
-					jQuery.each( arguments, function( _, arg ) {
-						var index;
-						while( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
-							list.splice( index, 1 );
-							// Handle firing indexes
-							if ( firing ) {
-								if ( index <= firingLength ) {
-									firingLength--;
-								}
-								if ( index <= firingIndex ) {
-									firingIndex--;
-								}
-							}
-						}
-					});
-				}
-				return this;
-			},
-			// Check if a given callback is in the list.
-			// If no argument is given, return whether or not list has callbacks attached.
-			has: function( fn ) {
-				return fn ? jQuery.inArray( fn, list ) > -1 : !!( list && list.length );
-			},
-			// Remove all callbacks from the list
-			empty: function() {
-				list = [];
-				firingLength = 0;
-				return this;
-			},
-			// Have the list do nothing anymore
-			disable: function() {
-				list = stack = memory = undefined;
-				return this;
-			},
-			// Is it disabled?
-			disabled: function() {
-				return !list;
-			},
-			// Lock the list in its current state
-			lock: function() {
-				stack = undefined;
-				if ( !memory ) {
-					self.disable();
-				}
-				return this;
-			},
-			// Is it locked?
-			locked: function() {
-				return !stack;
-			},
-			// Call all callbacks with the given context and arguments
-			fireWith: function( context, args ) {
-				if ( list && ( !fired || stack ) ) {
-					args = args || [];
-					args = [ context, args.slice ? args.slice() : args ];
-					if ( firing ) {
-						stack.push( args );
-					} else {
-						fire( args );
-					}
-				}
-				return this;
-			},
-			// Call all the callbacks with the given arguments
-			fire: function() {
-				self.fireWith( this, arguments );
-				return this;
-			},
-			// To know if the callbacks have already been called at least once
-			fired: function() {
-				return !!fired;
-			}
-		};
-
-	return self;
-};
-jQuery.extend({
-
-	Deferred: function( func ) {
-		var tuples = [
-				// action, add listener, listener list, final state
-				[ "resolve", "done", jQuery.Callbacks("once memory"), "resolved" ],
-				[ "reject", "fail", jQuery.Callbacks("once memory"), "rejected" ],
-				[ "notify", "progress", jQuery.Callbacks("memory") ]
-			],
-			state = "pending",
-			promise = {
-				state: function() {
-					return state;
-				},
-				always: function() {
-					deferred.done( arguments ).fail( arguments );
-					return this;
-				},
-				then: function( /* fnDone, fnFail, fnProgress */ ) {
-					var fns = arguments;
-					return jQuery.Deferred(function( newDefer ) {
-						jQuery.each( tuples, function( i, tuple ) {
-							var action = tuple[ 0 ],
-								fn = jQuery.isFunction( fns[ i ] ) && fns[ i ];
-							// deferred[ done | fail | progress ] for forwarding actions to newDefer
-							deferred[ tuple[1] ](function() {
-								var returned = fn && fn.apply( this, arguments );
-								if ( returned && jQuery.isFunction( returned.promise ) ) {
-									returned.promise()
-										.done( newDefer.resolve )
-										.fail( newDefer.reject )
-										.progress( newDefer.notify );
-								} else {
-									newDefer[ action + "With" ]( this === promise ? newDefer.promise() : this, fn ? [ returned ] : arguments );
-								}
-							});
-						});
-						fns = null;
-					}).promise();
-				},
-				// Get a promise for this deferred
-				// If obj is provided, the promise aspect is added to the object
-				promise: function( obj ) {
-					return obj != null ? jQuery.extend( obj, promise ) : promise;
-				}
-			},
-			deferred = {};
-
-		// Keep pipe for back-compat
-		promise.pipe = promise.then;
-
-		// Add list-specific methods
-		jQuery.each( tuples, function( i, tuple ) {
-			var list = tuple[ 2 ],
-				stateString = tuple[ 3 ];
-
-			// promise[ done | fail | progress ] = list.add
-			promise[ tuple[1] ] = list.add;
-
-			// Handle state
-			if ( stateString ) {
-				list.add(function() {
-					// state = [ resolved | rejected ]
-					state = stateString;
-
-				// [ reject_list | resolve_list ].disable; progress_list.lock
-				}, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock );
-			}
-
-			// deferred[ resolve | reject | notify ]
-			deferred[ tuple[0] ] = function() {
-				deferred[ tuple[0] + "With" ]( this === deferred ? promise : this, arguments );
-				return this;
-			};
-			deferred[ tuple[0] + "With" ] = list.fireWith;
-		});
-
-		// Make the deferred a promise
-		promise.promise( deferred );
-
-		// Call given func if any
-		if ( func ) {
-			func.call( deferred, deferred );
-		}
-
-		// All done!
-		return deferred;
-	},
-
-	// Deferred helper
-	when: function( subordinate /* , ..., subordinateN */ ) {
-		var i = 0,
-			resolveValues = core_slice.call( arguments ),
-			length = resolveValues.length,
-
-			// the count of uncompleted subordinates
-			remaining = length !== 1 || ( subordinate && jQuery.isFunction( subordinate.promise ) ) ? length : 0,
-
-			// the master Deferred. If resolveValues consist of only a single Deferred, just use that.
-			deferred = remaining === 1 ? subordinate : jQuery.Deferred(),
-
-			// Update function for both resolve and progress values
-			updateFunc = function( i, contexts, values ) {
-				return function( value ) {
-					contexts[ i ] = this;
-					values[ i ] = arguments.length > 1 ? core_slice.call( arguments ) : value;
-					if( values === progressValues ) {
-						deferred.notifyWith( contexts, values );
-					} else if ( !( --remaining ) ) {
-						deferred.resolveWith( contexts, values );
-					}
-				};
-			},
-
-			progressValues, progressContexts, resolveContexts;
-
-		// add listeners to Deferred subordinates; treat others as resolved
-		if ( length > 1 ) {
-			progressValues = new Array( length );
-			progressContexts = new Array( length );
-			resolveContexts = new Array( length );
-			for ( ; i < length; i++ ) {
-				if ( resolveValues[ i ] && jQuery.isFunction( resolveValues[ i ].promise ) ) {
-					resolveValues[ i ].promise()
-						.done( updateFunc( i, resolveContexts, resolveValues ) )
-						.fail( deferred.reject )
-						.progress( updateFunc( i, progressContexts, progressValues ) );
-				} else {
-					--remaining;
-				}
-			}
-		}
-
-		// if we're not waiting on anything, resolve the master
-		if ( !remaining ) {
-			deferred.resolveWith( resolveContexts, resolveValues );
-		}
-
-		return deferred.promise();
-	}
-});
-jQuery.support = (function( support ) {
-
-	var all, a, input, select, fragment, opt, eventName, isSupported, i,
-		div = document.createElement("div");
-
-	// Setup
-	div.setAttribute( "className", "t" );
-	div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
-
-	// Finish early in limited (non-browser) environments
-	all = div.getElementsByTagName("*") || [];
-	a = div.getElementsByTagName("a")[ 0 ];
-	if ( !a || !a.style || !all.length ) {
-		return support;
-	}
-
-	// First batch of tests
-	select = document.createElement("select");
-	opt = select.appendChild( document.createElement("option") );
-	input = div.getElementsByTagName("input")[ 0 ];
-
-	a.style.cssText = "top:1px;float:left;opacity:.5";
-
-	// Test setAttribute on camelCase class. If it works, we need attrFixes when doing get/setAttribute (ie6/7)
-	support.getSetAttribute = div.className !== "t";
-
-	// IE strips leading whitespace when .innerHTML is used
-	support.leadingWhitespace = div.firstChild.nodeType === 3;
-
-	// Make sure that tbody elements aren't automatically inserted
-	// IE will insert them into empty tables
-	support.tbody = !div.getElementsByTagName("tbody").length;
-
-	// Make sure that link elements get serialized correctly by innerHTML
-	// This requires a wrapper element in IE
-	support.htmlSerialize = !!div.getElementsByTagName("link").length;
-
-	// Get the style information from getAttribute
-	// (IE uses .cssText instead)
-	support.style = /top/.test( a.getAttribute("style") );
-
-	// Make sure that URLs aren't manipulated
-	// (IE normalizes it by default)
-	support.hrefNormalized = a.getAttribute("href") === "/a";
-
-	// Make sure that element opacity exists
-	// (IE uses filter instead)
-	// Use a regex to work around a WebKit issue. See #5145
-	support.opacity = /^0.5/.test( a.style.opacity );
-
-	// Verify style float existence
-	// (IE uses styleFloat instead of cssFloat)
-	support.cssFloat = !!a.style.cssFloat;
-
-	// Check the default checkbox/radio value ("" on WebKit; "on" elsewhere)
-	support.checkOn = !!input.value;
-
-	// Make sure that a selected-by-default option has a working selected property.
-	// (WebKit defaults to false instead of true, IE too, if it's in an optgroup)
-	support.optSelected = opt.selected;
-
-	// Tests for enctype support on a form (#6743)
-	support.enctype = !!document.createElement("form").enctype;
-
-	// Makes sure cloning an html5 element does not cause problems
-	// Where outerHTML is undefined, this still works
-	support.html5Clone = document.createElement("nav").cloneNode( true ).outerHTML !== "<:nav></:nav>";
-
-	// Will be defined later
-	support.inlineBlockNeedsLayout = false;
-	support.shrinkWrapBlocks = false;
-	support.pixelPosition = false;
-	support.deleteExpando = true;
-	support.noCloneEvent = true;
-	support.reliableMarginRight = true;
-	support.boxSizingReliable = true;
-
-	// Make sure checked status is properly cloned
-	input.checked = true;
-	support.noCloneChecked = input.cloneNode( true ).checked;
-
-	// Make sure that the options inside disabled selects aren't marked as disabled
-	// (WebKit marks them as disabled)
-	select.disabled = true;
-	support.optDisabled = !opt.disabled;
-
-	// Support: IE<9
-	try {
-		delete div.test;
-	} catch( e ) {
-		support.deleteExpando = false;
-	}
-
-	// Check if we can trust getAttribute("value")
-	input = document.createElement("input");
-	input.setAttribute( "value", "" );
-	support.input = input.getAttribute( "value" ) === "";
-
-	// Check if an input maintains its value after becoming a radio
-	input.value = "t";
-	input.setAttribute( "type", "radio" );
-	support.radioValue = input.value === "t";
-
-	// #11217 - WebKit loses check when the name is after the checked attribute
-	input.setAttribute( "checked", "t" );
-	input.setAttribute( "name", "t" );
-
-	fragment = document.createDocumentFragment();
-	fragment.appendChild( input );
-
-	// Check if a disconnected checkbox will retain its checked
-	// value of true after appended to the DOM (IE6/7)
-	support.appendChecked = input.checked;
-
-	// WebKit doesn't clone checked state correctly in fragments
-	support.checkClone = fragment.cloneNode( true ).cloneNode( true ).lastChild.checked;
-
-	// Support: IE<9
-	// Opera does not clone events (and typeof div.attachEvent === undefined).
-	// IE9-10 clones events bound via attachEvent, but they don't trigger with .click()
-	if ( div.attachEvent ) {
-		div.attachEvent( "onclick", function() {
-			support.noCloneEvent = false;
-		});
-
-		div.cloneNode( true ).click();
-	}
-
-	// Support: IE<9 (lack submit/change bubble), Firefox 17+ (lack focusin event)
-	// Beware of CSP restrictions (https://developer.mozilla.org/en/Security/CSP)
-	for ( i in { submit: true, change: true, focusin: true }) {
-		div.setAttribute( eventName = "on" + i, "t" );
-
-		support[ i + "Bubbles" ] = eventName in window || div.attributes[ eventName ].expando === false;
-	}
-
-	div.style.backgroundClip = "content-box";
-	div.cloneNode( true ).style.backgroundClip = "";
-	support.clearCloneStyle = div.style.backgroundClip === "content-box";
-
-	// Support: IE<9
-	// Iteration over object's inherited properties before its own.
-	for ( i in jQuery( support ) ) {
-		break;
-	}
-	support.ownLast = i !== "0";
-
-	// Run tests that need a body at doc ready
-	jQuery(function() {
-		var container, marginDiv, tds,
-			divReset = "padding:0;margin:0;border:0;display:block;box-sizing:content-box;-moz-box-sizing:content-box;-webkit-box-sizing:content-box;",
-			body = document.getElementsByTagName("body")[0];
-
-		if ( !body ) {
-			// Return for frameset docs that don't have a body
-			return;
-		}
-
-		container = document.createElement("div");
-		container.style.cssText = "border:0;width:0;height:0;position:absolute;top:0;left:-9999px;margin-top:1px";
-
-		body.appendChild( container ).appendChild( div );
-
-		// Support: IE8
-		// Check if table cells still have offsetWidth/Height when they are set
-		// to display:none and there are still other visible table cells in a
-		// table row; if so, offsetWidth/Height are not reliable for use when
-		// determining if an element has been hidden directly using
-		// display:none (it is still safe to use offsets if a parent element is
-		// hidden; don safety goggles and see bug #4512 for more information).
-		div.innerHTML = "<table><tr><td></td><td>t</td></tr></table>";
-		tds = div.getElementsByTagName("td");
-		tds[ 0 ].style.cssText = "padding:0;margin:0;border:0;display:none";
-		isSupported = ( tds[ 0 ].offsetHeight === 0 );
-
-		tds[ 0 ].style.display = "";
-		tds[ 1 ].style.display = "none";
-
-		// Support: IE8
-		// Check if empty table cells still have offsetWidth/Height
-		support.reliableHiddenOffsets = isSupported && ( tds[ 0 ].offsetHeight === 0 );
-
-		// Check box-sizing and margin behavior.
-		div.innerHTML = "";
-		div.style.cssText = "box-sizing:border-box;-moz-box-sizing:border-box;-webkit-box-sizing:border-box;padding:1px;border:1px;display:block;width:4px;margin-top:1%;position:absolute;top:1%;";
-
-		// Workaround failing boxSizing test due to offsetWidth returning wrong value
-		// with some non-1 values of body zoom, ticket #13543
-		jQuery.swap( body, body.style.zoom != null ? { zoom: 1 } : {}, function() {
-			support.boxSizing = div.offsetWidth === 4;
-		});
-
-		// Use window.getComputedStyle because jsdom on node.js will break without it.
-		if ( window.getComputedStyle ) {
-			support.pixelPosition = ( window.getComputedStyle( div, null ) || {} ).top !== "1%";
-			support.boxSizingReliable = ( window.getComputedStyle( div, null ) || { width: "4px" } ).width === "4px";
-
-			// Check if div with explicit width and no margin-right incorrectly
-			// gets computed margin-right based on width of container. (#3333)
-			// Fails in WebKit before Feb 2011 nightlies
-			// WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
-			marginDiv = div.appendChild( document.createElement("div") );
-			marginDiv.style.cssText = div.style.cssText = divReset;
-			marginDiv.style.marginRight = marginDiv.style.width = "0";
-			div.style.width = "1px";
-
-			support.reliableMarginRight =
-				!parseFloat( ( window.getComputedStyle( marginDiv, null ) || {} ).marginRight );
-		}
-
-		if ( typeof div.style.zoom !== core_strundefined ) {
-			// Support: IE<8
-			// Check if natively block-level elements act like inline-block
-			// elements when setting their display to 'inline' and giving
-			// them layout
-			div.innerHTML = "";
-			div.style.cssText = divReset + "width:1px;padding:1px;display:inline;zoom:1";
-			support.inlineBlockNeedsLayout = ( div.offsetWidth === 3 );
-
-			// Support: IE6
-			// Check if elements with layout shrink-wrap their children
-			div.style.display = "block";
-			div.innerHTML = "<div></div>";
-			div.firstChild.style.width = "5px";
-			support.shrinkWrapBlocks = ( div.offsetWidth !== 3 );
-
-			if ( support.inlineBlockNeedsLayout ) {
-				// Prevent IE 6 from affecting layout for positioned elements #11048
-				// Prevent IE from shrinking the body in IE 7 mode #12869
-				// Support: IE<8
-				body.style.zoom = 1;
-			}
-		}
-
-		body.removeChild( container );
-
-		// Null elements to avoid leaks in IE
-		container = div = tds = marginDiv = null;
-	});
-
-	// Null elements to avoid leaks in IE
-	all = select = fragment = opt = a = input = null;
-
-	return support;
-})({});
-
-var rbrace = /(?:\{[\s\S]*\}|\[[\s\S]*\])$/,
-	rmultiDash = /([A-Z])/g;
-
-function internalData( elem, name, data, pvt /* Internal Use Only */ ){
-	if ( !jQuery.acceptData( elem ) ) {
-		return;
-	}
-
-	var ret, thisCache,
-		internalKey = jQuery.expando,
-
-		// We have to handle DOM nodes and JS objects differently because IE6-7
-		// can't GC object references properly across the DOM-JS boundary
-		isNode = elem.nodeType,
-
-		// Only DOM nodes need the global jQuery cache; JS object data is
-		// attached directly to the object so GC can occur automatically
-		cache = isNode ? jQuery.cache : elem,
-
-		// Only defining an ID for JS objects if its cache already exists allows
-		// the code to shortcut on the same path as a DOM node with no cache
-		id = isNode ? elem[ internalKey ] : elem[ internalKey ] && internalKey;
-
-	// Avoid doing any more work than we need to when trying to get data on an
-	// object that has no data at all
-	if ( (!id || !cache[id] || (!pvt && !cache[id].data)) && data === undefined && typeof name === "string" ) {
-		return;
-	}
-
-	if ( !id ) {
-		// Only DOM nodes need a new unique ID for each element since their data
-		// ends up in the global cache
-		if ( isNode ) {
-			id = elem[ internalKey ] = core_deletedIds.pop() || jQuery.guid++;
-		} else {
-			id = internalKey;
-		}
-	}
-
-	if ( !cache[ id ] ) {
-		// Avoid exposing jQuery metadata on plain JS objects when the object
-		// is serialized using JSON.stringify
-		cache[ id ] = isNode ? {} : { toJSON: jQuery.noop };
-	}
-
-	// An object can be passed to jQuery.data instead of a key/value pair; this gets
-	// shallow copied over onto the existing cache
-	if ( typeof name === "object" || typeof name === "function" ) {
-		if ( pvt ) {
-			cache[ id ] = jQuery.extend( cache[ id ], name );
-		} else {
-			cache[ id ].data = jQuery.extend( cache[ id ].data, name );
-		}
-	}
-
-	thisCache = cache[ id ];
-
-	// jQuery data() is stored in a separate object inside the object's internal data
-	// cache in order to avoid key collisions between internal data and user-defined
-	// data.
-	if ( !pvt ) {
-		if ( !thisCache.data ) {
-			thisCache.data = {};
-		}
-
-		thisCache = thisCache.data;
-	}
-
-	if ( data !== undefined ) {
-		thisCache[ jQuery.camelCase( name ) ] = data;
-	}
-
-	// Check for both converted-to-camel and non-converted data property names
-	// If a data property was specified
-	if ( typeof name === "string" ) {
-
-		// First Try to find as-is property data
-		ret = thisCache[ name ];
-
-		// Test for null|undefined property data
-		if ( ret == null ) {
-
-			// Try to find the camelCased property
-			ret = thisCache[ jQuery.camelCase( name ) ];
-		}
-	} else {
-		ret = thisCache;
-	}
-
-	return ret;
-}
-
-function internalRemoveData( elem, name, pvt ) {
-	if ( !jQuery.acceptData( elem ) ) {
-		return;
-	}
-
-	var thisCache, i,
-		isNode = elem.nodeType,
-
-		// See jQuery.data for more information
-		cache = isNode ? jQuery.cache : elem,
-		id = isNode ? elem[ jQuery.expando ] : jQuery.expando;
-
-	// If there is already no cache entry for this object, there is no
-	// purpose in continuing
-	if ( !cache[ id ] ) {
-		return;
-	}
-
-	if ( name ) {
-
-		thisCache = pvt ? cache[ id ] : cache[ id ].data;
-
-		if ( thisCache ) {
-
-			// Support array or space separated string names for data keys
-			if ( !jQuery.isArray( name ) ) {
-
-				// try the string as a key before any manipulation
-				if ( name in thisCache ) {
-					name = [ name ];
-				} else {
-
-					// split the camel cased version by spaces unless a key with the spaces exists
-					name = jQuery.camelCase( name );
-					if ( name in thisCache ) {
-						name = [ name ];
-					} else {
-						name = name.split(" ");
-					}
-				}
-			} else {
-				// If "name" is an array of keys...
-				// When data is initially created, via ("key", "val") signature,
-				// keys will be converted to camelCase.
-				// Since there is no way to tell _how_ a key was added, remove
-				// both plain key and camelCase key. #12786
-				// This will only penalize the array argument path.
-				name = name.concat( jQuery.map( name, jQuery.camelCase ) );
-			}
-
-			i = name.length;
-			while ( i-- ) {
-				delete thisCache[ name[i] ];
-			}
-
-			// If there is no data left in the cache, we want to continue
-			// and let the cache object itself get destroyed
-			if ( pvt ? !isEmptyDataObject(thisCache) : !jQuery.isEmptyObject(thisCache) ) {
-				return;
-			}
-		}
-	}
-
-	// See jQuery.data for more information
-	if ( !pvt ) {
-		delete cache[ id ].data;
-
-		// Don't destroy the parent cache unless the internal data object
-		// had been the only thing left in it
-		if ( !isEmptyDataObject( cache[ id ] ) ) {
-			return;
-		}
-	}
-
-	// Destroy the cache
-	if ( isNode ) {
-		jQuery.cleanData( [ elem ], true );
-
-	// Use delete when supported for expandos or `cache` is not a window per isWindow (#10080)
-	/* jshint eqeqeq: false */
-	} else if ( jQuery.support.deleteExpando || cache != cache.window ) {
-		/* jshint eqeqeq: true */
-		delete cache[ id ];
-
-	// When all else fails, null
-	} else {
-		cache[ id ] = null;
-	}
-}
-
-jQuery.extend({
-	cache: {},
-
-	// The following elements throw uncatchable exceptions if you
-	// attempt to add expando properties to them.
-	noData: {
-		"applet": true,
-		"embed": true,
-		// Ban all objects except for Flash (which handle expandos)
-		"object": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
-	},
-
-	hasData: function( elem ) {
-		elem = elem.nodeType ? jQuery.cache[ elem[jQuery.expando] ] : elem[ jQuery.expando ];
-		return !!elem && !isEmptyDataObject( elem );
-	},
-
-	data: function( elem, name, data ) {
-		return internalData( elem, name, data );
-	},
-
-	removeData: function( elem, name ) {
-		return internalRemoveData( elem, name );
-	},
-
-	// For internal use only.
-	_data: function( elem, name, data ) {
-		return internalData( elem, name, data, true );
-	},
-
-	_removeData: function( elem, name ) {
-		return internalRemoveData( elem, name, true );
-	},
-
-	// A method for determining if a DOM node can handle the data expando
-	acceptData: function( elem ) {
-		// Do not set data on non-element because it will not be cleared (#8335).
-		if ( elem.nodeType && elem.nodeType !== 1 && elem.nodeType !== 9 ) {
-			return false;
-		}
-
-		var noData = elem.nodeName && jQuery.noData[ elem.nodeName.toLowerCase() ];
-
-		// nodes accept data unless otherwise specified; rejection can be conditional
-		return !noData || noData !== true && elem.getAttribute("classid") === noData;
-	}
-});
-
-jQuery.fn.extend({
-	data: function( key, value ) {
-		var attrs, name,
-			data = null,
-			i = 0,
-			elem = this[0];
-
-		// Special expections of .data basically thwart jQuery.access,
-		// so implement the relevant behavior ourselves
-
-		// Gets all values
-		if ( key === undefined ) {
-			if ( this.length ) {
-				data = jQuery.data( elem );
-
-				if ( elem.nodeType === 1 && !jQuery._data( elem, "parsedAttrs" ) ) {
-					attrs = elem.attributes;
-					for ( ; i < attrs.length; i++ ) {
-						name = attrs[i].name;
-
-						if ( name.indexOf("data-") === 0 ) {
-							name = jQuery.camelCase( name.slice(5) );
-
-							dataAttr( elem, name, data[ name ] );
-						}
-					}
-					jQuery._data( elem, "parsedAttrs", true );
-				}
-			}
-
-			return data;
-		}
-
-		// Sets multiple values
-		if ( typeof key === "object" ) {
-			return this.each(function() {
-				jQuery.data( this, key );
-			});
-		}
-
-		return arguments.length > 1 ?
-
-			// Sets one value
-			this.each(function() {
-				jQuery.data( this, key, value );
-			}) :
-
-			// Gets one value
-			// Try to fetch any internally stored data first
-			elem ? dataAttr( elem, key, jQuery.data( elem, key ) ) : null;
-	},
-
-	removeData: function( key ) {
-		return this.each(function() {
-			jQuery.removeData( this, key );
-		});
-	}
-});
-
-function dataAttr( elem, key, data ) {
-	// If nothing was found internally, try to fetch any
-	// data from the HTML5 data-* attribute
-	if ( data === undefined && elem.nodeType === 1 ) {
-
-		var name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase();
-
-		data = elem.getAttribute( name );
-
-		if ( typeof data === "string" ) {
-			try {
-				data = data === "true" ? true :
-					data === "false" ? false :
-					data === "null" ? null :
-					// Only convert to a number if it doesn't change the string
-					+data + "" === data ? +data :
-					rbrace.test( data ) ? jQuery.parseJSON( data ) :
-						data;
-			} catch( e ) {}
-
-			// Make sure we set the data so it isn't changed later
-			jQuery.data( elem, key, data );
-
-		} else {
-			data = undefined;
-		}
-	}
-
-	return data;
-}
-
-// checks a cache object for emptiness
-function isEmptyDataObject( obj ) {
-	var name;
-	for ( name in obj ) {
-
-		// if the public data object is empty, the private is still empty
-		if ( name === "data" && jQuery.isEmptyObject( obj[name] ) ) {
-			continue;
-		}
-		if ( name !== "toJSON" ) {
-			return false;
-		}
-	}
-
-	return true;
-}
-jQuery.extend({
-	queue: function( elem, type, data ) {
-		var queue;
-
-		if ( elem ) {
-			type = ( type || "fx" ) + "queue";
-			queue = jQuery._data( elem, type );
-
-			// Speed up dequeue by getting out quickly if this is just a lookup
-			if ( data ) {
-				if ( !queue || jQuery.isArray(data) ) {
-					queue = jQuery._data( elem, type, jQuery.makeArray(data) );
-				} else {
-					queue.push( data );
-				}
-			}
-			return queue || [];
-		}
-	},
-
-	dequeue: function( elem, type ) {
-		type = type || "fx";
-
-		var queue = jQuery.queue( elem, type ),
-			startLength = queue.length,
-			fn = queue.shift(),
-			hooks = jQuery._queueHooks( elem, type ),
-			next = function() {
-				jQuery.dequeue( elem, type );
-			};
-
-		// If the fx queue is dequeued, always remove the progress sentinel
-		if ( fn === "inprogress" ) {
-			fn = queue.shift();
-			startLength--;
-		}
-
-		if ( fn ) {
-
-			// Add a progress sentinel to prevent the fx queue from being
-			// automatically dequeued
-			if ( type === "fx" ) {
-				queue.unshift( "inprogress" );
-			}
-
-			// clear up the last queue stop function
-			delete hooks.stop;
-			fn.call( elem, next, hooks );
-		}
-
-		if ( !startLength && hooks ) {
-			hooks.empty.fire();
-		}
-	},
-
-	// not intended for public consumption - generates a queueHooks object, or returns the current one
-	_queueHooks: function( elem, type ) {
-		var key = type + "queueHooks";
-		return jQuery._data( elem, key ) || jQuery._data( elem, key, {
-			empty: jQuery.Callbacks("once memory").add(function() {
-				jQuery._removeData( elem, type + "queue" );
-				jQuery._removeData( elem, key );
-			})
-		});
-	}
-});
-
-jQuery.fn.extend({
-	queue: function( type, data ) {
-		var setter = 2;
-
-		if ( typeof type !== "string" ) {
-			data = type;
-			type = "fx";
-			setter--;
-		}
-
-		if ( arguments.length < setter ) {
-			return jQuery.queue( this[0], type );
-		}
-
-		return data === undefined ?
-			this :
-			this.each(function() {
-				var queue = jQuery.queue( this, type, data );
-
-				// ensure a hooks for this queue
-				jQuery._queueHooks( this, type );
-
-				if ( type === "fx" && queue[0] !== "inprogress" ) {
-					jQuery.dequeue( this, type );
-				}
-			});
-	},
-	dequeue: function( type ) {
-		return this.each(function() {
-			jQuery.dequeue( this, type );
-		});
-	},
-	// Based off of the plugin by Clint Helfers, with permission.
-	// http://blindsignals.com/index.php/2009/07/jquery-delay/
-	delay: function( time, type ) {
-		time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
-		type = type || "fx";
-
-		return this.queue( type, function( next, hooks ) {
-			var timeout = setTimeout( next, time );
-			hooks.stop = function() {
-				clearTimeout( timeout );
-			};
-		});
-	},
-	clearQueue: function( type ) {
-		return this.queue( type || "fx", [] );
-	},
-	// Get a promise resolved when queues of a certain type
-	// are emptied (fx is the type by default)
-	promise: function( type, obj ) {
-		var tmp,
-			count = 1,
-			defer = jQuery.Deferred(),
-			elements = this,
-			i = this.length,
-			resolve = function() {
-				if ( !( --count ) ) {
-					defer.resolveWith( elements, [ elements ] );
-				}
-			};
-
-		if ( typeof type !== "string" ) {
-			obj = type;
-			type = undefined;
-		}
-		type = type || "fx";
-
-		while( i-- ) {
-			tmp = jQuery._data( elements[ i ], type + "queueHooks" );
-			if ( tmp && tmp.empty ) {
-				count++;
-				tmp.empty.add( resolve );
-			}
-		}
-		resolve();
-		return defer.promise( obj );
-	}
-});
-var nodeHook, boolHook,
-	rclass = /[\t\r\n\f]/g,
-	rreturn = /\r/g,
-	rfocusable = /^(?:input|select|textarea|button|object)$/i,
-	rclickable = /^(?:a|area)$/i,
-	ruseDefault = /^(?:checked|selected)$/i,
-	getSetAttribute = jQuery.support.getSetAttribute,
-	getSetInput = jQuery.support.input;
-
-jQuery.fn.extend({
-	attr: function( name, value ) {
-		return jQuery.access( this, jQuery.attr, name, value, arguments.length > 1 );
-	},
-
-	removeAttr: function( name ) {
-		return this.each(function() {
-			jQuery.removeAttr( this, name );
-		});
-	},
-
-	prop: function( name, value ) {
-		return jQuery.access( this, jQuery.prop, name, value, arguments.length > 1 );
-	},
-
-	removeProp: function( name ) {
-		name = jQuery.propFix[ name ] || name;
-		return this.each(function() {
-			// try/catch handles cases where IE balks (such as removing a property on window)
-			try {
-				this[ name ] = undefined;
-				delete this[ name ];
-			} catch( e ) {}
-		});
-	},
-
-	addClass: function( value ) {
-		var classes, elem, cur, clazz, j,
-			i = 0,
-			len = this.length,
-			proceed = typeof value === "string" && value;
-
-		if ( jQuery.isFunction( value ) ) {
-			return this.each(function( j ) {
-				jQuery( this ).addClass( value.call( this, j, this.className ) );
-			});
-		}
-
-		if ( proceed ) {
-			// The disjunction here is for better compressibility (see removeClass)
-			classes = ( value || "" ).match( core_rnotwhite ) || [];
-
-			for ( ; i < len; i++ ) {
-				elem = this[ i ];
-				cur = elem.nodeType === 1 && ( elem.className ?
-					( " " + elem.className + " " ).replace( rclass, " " ) :
-					" "
-				);
-
-				if ( cur ) {
-					j = 0;
-					while ( (clazz = classes[j++]) ) {
-						if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
-							cur += clazz + " ";
-						}
-					}
-					elem.className = jQuery.trim( cur );
-
-				}
-			}
-		}
-
-		return this;
-	},
-
-	removeClass: function( value ) {
-		var classes, elem, cur, clazz, j,
-			i = 0,
-			len = this.length,
-			proceed = arguments.length === 0 || typeof value === "string" && value;
-
-		if ( jQuery.isFunction( value ) ) {
-			return this.each(function( j ) {
-				jQuery( this ).removeClass( value.call( this, j, this.className ) );
-			});
-		}
-		if ( proceed ) {
-			classes = ( value || "" ).match( core_rnotwhite ) || [];
-
-			for ( ; i < len; i++ ) {
-				elem = this[ i ];
-				// This expression is here for better compressibility (see addClass)
-				cur = elem.nodeType === 1 && ( elem.className ?
-					( " " + elem.className + " " ).replace( rclass, " " ) :
-					""
-				);
-
-				if ( cur ) {
-					j = 0;
-					while ( (clazz = classes[j++]) ) {
-						// Remove *all* instances
-						while ( cur.indexOf( " " + clazz + " " ) >= 0 ) {
-							cur = cur.replace( " " + clazz + " ", " " );
-						}
-					}
-					elem.className = value ? jQuery.trim( cur ) : "";
-				}
-			}
-		}
-
-		return this;
-	},
-
-	toggleClass: function( value, stateVal ) {
-		var type = typeof value;
-
-		if ( typeof stateVal === "boolean" && type === "string" ) {
-			return stateVal ? this.addClass( value ) : this.removeClass( value );
-		}
-
-		if ( jQuery.isFunction( value ) ) {
-			return this.each(function( i ) {
-				jQuery( this ).toggleClass( value.call(this, i, this.className, stateVal), stateVal );
-			});
-		}
-
-		return this.each(function() {
-			if ( type === "string" ) {
-				// toggle individual class names
-				var className,
-					i = 0,
-					self = jQuery( this ),
-					classNames = value.match( core_rnotwhite ) || [];
-
-				while ( (className = classNames[ i++ ]) ) {
-					// check each className given, space separated list
-					if ( self.hasClass( className ) ) {
-						self.removeClass( className );
-					} else {
-						self.addClass( className );
-					}
-				}
-
-			// Toggle whole class name
-			} else if ( type === core_strundefined || type === "boolean" ) {
-				if ( this.className ) {
-					// store className if set
-					jQuery._data( this, "__className__", this.className );
-				}
-
-				// If the element has a class name or if we're passed "false",
-				// then remove the whole classname (if there was one, the above saved it).
-				// Otherwise bring back whatever was previously saved (if anything),
-				// falling back to the empty string if nothing was stored.
-				this.className = this.className || value === false ? "" : jQuery._data( this, "__className__" ) || "";
-			}
-		});
-	},
-
-	hasClass: function( selector ) {
-		var className = " " + selector + " ",
-			i = 0,
-			l = this.length;
-		for ( ; i < l; i++ ) {
-			if ( this[i].nodeType === 1 && (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) >= 0 ) {
-				return true;
-			}
-		}
-
-		return false;
-	},
-
-	val: function( value ) {
-		var ret, hooks, isFunction,
-			elem = this[0];
-
-		if ( !arguments.length ) {
-			if ( elem ) {
-				hooks = jQuery.valHooks[ elem.type ] || jQuery.valHooks[ elem.nodeName.toLowerCase() ];
-
-				if ( hooks && "get" in hooks && (ret = hooks.get( elem, "value" )) !== undefined ) {
-					return ret;
-				}
-
-				ret = elem.value;
-
-				return typeof ret === "string" ?
-					// handle most common string cases
-					ret.replace(rreturn, "") :
-					// handle cases where value is null/undef or number
-					ret == null ? "" : ret;
-			}
-
-			return;
-		}
-
-		isFunction = jQuery.isFunction( value );
-
-		return this.each(function( i ) {
-			var val;
-
-			if ( this.nodeType !== 1 ) {
-				return;
-			}
-
-			if ( isFunction ) {
-				val = value.call( this, i, jQuery( this ).val() );
-			} else {
-				val = value;
-			}
-
-			// Treat null/undefined as ""; convert numbers to string
-			if ( val == null ) {
-				val = "";
-			} else if ( typeof val === "number" ) {
-				val += "";
-			} else if ( jQuery.isArray( val ) ) {
-				val = jQuery.map(val, function ( value ) {
-					return value == null ? "" : value + "";
-				});
-			}
-
-			hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
-
-			// If set returns undefined, fall back to normal setting
-			if ( !hooks || !("set" in hooks) || hooks.set( this, val, "value" ) === undefined ) {
-				this.value = val;
-			}
-		});
-	}
-});
-
-jQuery.extend({
-	valHooks: {
-		option: {
-			get: function( elem ) {
-				// Use proper attribute retrieval(#6932, #12072)
-				var val = jQuery.find.attr( elem, "value" );
-				return val != null ?
-					val :
-					elem.text;
-			}
-		},
-		select: {
-			get: function( elem ) {
-				var value, option,
-					options = elem.options,
-					index = elem.selectedIndex,
-					one = elem.type === "select-one" || index < 0,
-					values = one ? null : [],
-					max = one ? index + 1 : options.length,
-					i = index < 0 ?
-						max :
-						one ? index : 0;
-
-				// Loop through all the selected options
-				for ( ; i < max; i++ ) {
-					option = options[ i ];
-
-					// oldIE doesn't update selected after form reset (#2551)
-					if ( ( option.selected || i === index ) &&
-							// Don't return options that are disabled or in a disabled optgroup
-							( jQuery.support.optDisabled ? !option.disabled : option.getAttribute("disabled") === null ) &&
-							( !option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {
-
-						// Get the specific value for the option
-						value = jQuery( option ).val();
-
-						// We don't need an array for one selects
-						if ( one ) {
-							return value;
-						}
-
-						// Multi-Selects return an array
-						values.push( value );
-					}
-				}
-
-				return values;
-			},
-
-			set: function( elem, value ) {
-				var optionSet, option,
-					options = elem.options,
-					values = jQuery.makeArray( value ),
-					i = options.length;
-
-				while ( i-- ) {
-					option = options[ i ];
-					if ( (option.selected = jQuery.inArray( jQuery(option).val(), values ) >= 0) ) {
-						optionSet = true;
-					}
-				}
-
-				// force browsers to behave consistently when non-matching value is set
-				if ( !optionSet ) {
-					elem.selectedIndex = -1;
-				}
-				return values;
-			}
-		}
-	},
-
-	attr: function( elem, name, value ) {
-		var hooks, ret,
-			nType = elem.nodeType;
-
-		// don't get/set attributes on text, comment and attribute nodes
-		if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
-			return;
-		}
-
-		// Fallback to prop when attributes are not supported
-		if ( typeof elem.getAttribute === core_strundefined ) {
-			return jQuery.prop( elem, name, value );
-		}
-
-		// All attributes are lowercase
-		// Grab necessary hook if one is defined
-		if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
-			name = name.toLowerCase();
-			hooks = jQuery.attrHooks[ name ] ||
-				( jQuery.expr.match.bool.test( name ) ? boolHook : nodeHook );
-		}
-
-		if ( value !== undefined ) {
-
-			if ( value === null ) {
-				jQuery.removeAttr( elem, name );
-
-			} else if ( hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) {
-				return ret;
-
-			} else {
-				elem.setAttribute( name, value + "" );
-				return value;
-			}
-
-		} else if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) {
-			return ret;
-
-		} else {
-			ret = jQuery.find.attr( elem, name );
-
-			// Non-existent attributes return null, we normalize to undefined
-			return ret == null ?
-				undefined :
-				ret;
-		}
-	},
-
-	removeAttr: function( elem, value ) {
-		var name, propName,
-			i = 0,
-			attrNames = value && value.match( core_rnotwhite );
-
-		if ( attrNames && elem.nodeType === 1 ) {
-			while ( (name = attrNames[i++]) ) {
-				propName = jQuery.propFix[ name ] || name;
-
-				// Boolean attributes get special treatment (#10870)
-				if ( jQuery.expr.match.bool.test( name ) ) {
-					// Set corresponding property to false
-					if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
-						elem[ propName ] = false;
-					// Support: IE<9
-					// Also clear defaultChecked/defaultSelected (if appropriate)
-					} else {
-						elem[ jQuery.camelCase( "default-" + name ) ] =
-							elem[ propName ] = false;
-					}
-
-				// See #9699 for explanation of this approach (setting first, then removal)
-				} else {
-					jQuery.attr( elem, name, "" );
-				}
-
-				elem.removeAttribute( getSetAttribute ? name : propName );
-			}
-		}
-	},
-
-	attrHooks: {
-		type: {
-			set: function( elem, value ) {
-				if ( !jQuery.support.radioValue && value === "radio" && jQuery.nodeName(elem, "input") ) {
-					// Setting the type on a radio button after the value resets the value in IE6-9
-					// Reset value to default in case type is set after value during creation
-					var val = elem.value;
-					elem.setAttribute( "type", value );
-					if ( val ) {
-						elem.value = val;
-					}
-					return value;
-				}
-			}
-		}
-	},
-
-	propFix: {
-		"for": "htmlFor",
-		"class": "className"
-	},
-
-	prop: function( elem, name, value ) {
-		var ret, hooks, notxml,
-			nType = elem.nodeType;
-
-		// don't get/set properties on text, comment and attribute nodes
-		if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
-			return;
-		}
-
-		notxml = nType !== 1 || !jQuery.isXMLDoc( elem );
-
-		if ( notxml ) {
-			// Fix name and attach hooks
-			name = jQuery.propFix[ name ] || name;
-			hooks = jQuery.propHooks[ name ];
-		}
-
-		if ( value !== undefined ) {
-			return hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ?
-				ret :
-				( elem[ name ] = value );
-
-		} else {
-			return hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ?
-				ret :
-				elem[ name ];
-		}
-	},
-
-	propHooks: {
-		tabIndex: {
-			get: function( elem ) {
-				// elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set
-				// http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
-				// Use proper attribute retrieval(#12072)
-				var tabindex = jQuery.find.attr( elem, "tabindex" );
-
-				return tabindex ?
-					parseInt( tabindex, 10 ) :
-					rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ?
-						0 :
-						-1;
-			}
-		}
-	}
-});
-
-// Hooks for boolean attributes
-boolHook = {
-	set: function( elem, value, name ) {
-		if ( value === false ) {
-			// Remove boolean attributes when set to false
-			jQuery.removeAttr( elem, name );
-		} else if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
-			// IE<8 needs the *property* name
-			elem.setAttribute( !getSetAttribute && jQuery.propFix[ name ] || name, name );
-
-		// Use defaultChecked and defaultSelected for oldIE
-		} else {
-			elem[ jQuery.camelCase( "default-" + name ) ] = elem[ name ] = true;
-		}
-
-		return name;
-	}
-};
-jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
-	var getter = jQuery.expr.attrHandle[ name ] || jQuery.find.attr;
-
-	jQuery.expr.attrHandle[ name ] = getSetInput && getSetAttribute || !ruseDefault.test( name ) ?
-		function( elem, name, isXML ) {
-			var fn = jQuery.expr.attrHandle[ name ],
-				ret = isXML ?
-					undefined :
-					/* jshint eqeqeq: false */
-					(jQuery.expr.attrHandle[ name ] = undefined) !=
-						getter( elem, name, isXML ) ?
-
-						name.toLowerCase() :
-						null;
-			jQuery.expr.attrHandle[ name ] = fn;
-			return ret;
-		} :
-		function( elem, name, isXML ) {
-			return isXML ?
-				undefined :
-				elem[ jQuery.camelCase( "default-" + name ) ] ?
-					name.toLowerCase() :
-					null;
-		};
-});
-
-// fix oldIE attroperties
-if ( !getSetInput || !getSetAttribute ) {
-	jQuery.attrHooks.value = {
-		set: function( elem, value, name ) {
-			if ( jQuery.nodeName( elem, "input" ) ) {
-				// Does not return so that setAttribute is also used
-				elem.defaultValue = value;
-			} else {
-				// Use nodeHook if defined (#1954); otherwise setAttribute is fine
-				return nodeHook && nodeHook.set( elem, value, name );
-			}
-		}
-	};
-}
-
-// IE6/7 do not support getting/setting some attributes with get/setAttribute
-if ( !getSetAttribute ) {
-
-	// Use this for any attribute in IE6/7
-	// This fixes almost every IE6/7 issue
-	nodeHook = {
-		set: function( elem, value, name ) {
-			// Set the existing or create a new attribute node
-			var ret = elem.getAttributeNode( name );
-			if ( !ret ) {
-				elem.setAttributeNode(
-					(ret = elem.ownerDocument.createAttribute( name ))
-				);
-			}
-
-			ret.value = value += "";
-
-			// Break association with cloned elements by also using setAttribute (#9646)
-			return name === "value" || value === elem.getAttribute( name ) ?
-				value :
-				undefined;
-		}
-	};
-	jQuery.expr.attrHandle.id = jQuery.expr.attrHandle.name = jQuery.expr.attrHandle.coords =
-		// Some attributes are constructed with empty-string values when not defined
-		function( elem, name, isXML ) {
-			var ret;
-			return isXML ?
-				undefined :
-				(ret = elem.getAttributeNode( name )) && ret.value !== "" ?
-					ret.value :
-					null;
-		};
-	jQuery.valHooks.button = {
-		get: function( elem, name ) {
-			var ret = elem.getAttributeNode( name );
-			return ret && ret.specified ?
-				ret.value :
-				undefined;
-		},
-		set: nodeHook.set
-	};
-
-	// Set contenteditable to false on removals(#10429)
-	// Setting to empty string throws an error as an invalid value
-	jQuery.attrHooks.contenteditable = {
-		set: function( elem, value, name ) {
-			nodeHook.set( elem, value === "" ? false : value, name );
-		}
-	};
-
-	// Set width and height to auto instead of 0 on empty string( Bug #8150 )
-	// This is for removals
-	jQuery.each([ "width", "height" ], function( i, name ) {
-		jQuery.attrHooks[ name ] = {
-			set: function( elem, value ) {
-				if ( value === "" ) {
-					elem.setAttribute( name, "auto" );
-					return value;
-				}
-			}
-		};
-	});
-}
-
-
-// Some attributes require a special call on IE
-// http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
-if ( !jQuery.support.hrefNormalized ) {
-	// href/src property should get the full normalized URL (#10299/#12915)
-	jQuery.each([ "href", "src" ], function( i, name ) {
-		jQuery.propHooks[ name ] = {
-			get: function( elem ) {
-				return elem.getAttribute( name, 4 );
-			}
-		};
-	});
-}
-
-if ( !jQuery.support.style ) {
-	jQuery.attrHooks.style = {
-		get: function( elem ) {
-			// Return undefined in the case of empty string
-			// Note: IE uppercases css property names, but if we were to .toLowerCase()
-			// .cssText, that would destroy case senstitivity in URL's, like in "background"
-			return elem.style.cssText || undefined;
-		},
-		set: function( elem, value ) {
-			return ( elem.style.cssText = value + "" );
-		}
-	};
-}
-
-// Safari mis-reports the default selected property of an option
-// Accessing the parent's selectedIndex property fixes it
-if ( !jQuery.support.optSelected ) {
-	jQuery.propHooks.selected = {
-		get: function( elem ) {
-			var parent = elem.parentNode;
-
-			if ( parent ) {
-				parent.selectedIndex;
-
-				// Make sure that it also works with optgroups, see #5701
-				if ( parent.parentNode ) {
-					parent.parentNode.selectedIndex;
-				}
-			}
-			return null;
-		}
-	};
-}
-
-jQuery.each([
-	"tabIndex",
-	"readOnly",
-	"maxLength",
-	"cellSpacing",
-	"cellPadding",
-	"rowSpan",
-	"colSpan",
-	"useMap",
-	"frameBorder",
-	"contentEditable"
-], function() {
-	jQuery.propFix[ this.toLowerCase() ] = this;
-});
-
-// IE6/7 call enctype encoding
-if ( !jQuery.support.enctype ) {
-	jQuery.propFix.enctype = "encoding";
-}
-
-// Radios and checkboxes getter/setter
-jQuery.each([ "radio", "checkbox" ], function() {
-	jQuery.valHooks[ this ] = {
-		set: function( elem, value ) {
-			if ( jQuery.isArray( value ) ) {
-				return ( elem.checked = jQuery.inArray( jQuery(elem).val(), value ) >= 0 );
-			}
-		}
-	};
-	if ( !jQuery.support.checkOn ) {
-		jQuery.valHooks[ this ].get = function( elem ) {
-			// Support: Webkit
-			// "" is returned instead of "on" if a value isn't specified
-			return elem.getAttribute("value") === null ? "on" : elem.value;
-		};
-	}
-});
-var rformElems = /^(?:input|select|textarea)$/i,
-	rkeyEvent = /^key/,
-	rmouseEvent = /^(?:mouse|contextmenu)|click/,
-	rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
-	rtypenamespace = /^([^.]*)(?:\.(.+)|)$/;
-
-function returnTrue() {
-	return true;
-}
-
-function returnFalse() {
-	return false;
-}
-
-function safeActiveElement() {
-	try {
-		return document.activeElement;
-	} catch ( err ) { }
-}
-
-/*
- * Helper functions for managing events -- not part of the public interface.
- * Props to Dean Edwards' addEvent library for many of the ideas.
- */
-jQuery.event = {
-
-	global: {},
-
-	add: function( elem, types, handler, data, selector ) {
-		var tmp, events, t, handleObjIn,
-			special, eventHandle, handleObj,
-			handlers, type, namespaces, origType,
-			elemData = jQuery._data( elem );
-
-		// Don't attach events to noData or text/comment nodes (but allow plain objects)
-		if ( !elemData ) {
-			return;
-		}
-
-		// Caller can pass in an object of custom data in lieu of the handler
-		if ( handler.handler ) {
-			handleObjIn = handler;
-			handler = handleObjIn.handler;
-			selector = handleObjIn.selector;
-		}
-
-		// Make sure that the handler has a unique ID, used to find/remove it later
-		if ( !handler.guid ) {
-			handler.guid = jQuery.guid++;
-		}
-
-		// Init the element's event structure and main handler, if this is the first
-		if ( !(events = elemData.events) ) {
-			events = elemData.events = {};
-		}
-		if ( !(eventHandle = elemData.handle) ) {
-			eventHandle = elemData.handle = function( e ) {
-				// Discard the second event of a jQuery.event.trigger() and
-				// when an event is called after a page has unloaded
-				return typeof jQuery !== core_strundefined && (!e || jQuery.event.triggered !== e.type) ?
-					jQuery.event.dispatch.apply( eventHandle.elem, arguments ) :
-					undefined;
-			};
-			// Add elem as a property of the handle fn to prevent a memory leak with IE non-native events
-			eventHandle.elem = elem;
-		}
-
-		// Handle multiple events separated by a space
-		types = ( types || "" ).match( core_rnotwhite ) || [""];
-		t = types.length;
-		while ( t-- ) {
-			tmp = rtypenamespace.exec( types[t] ) || [];
-			type = origType = tmp[1];
-			namespaces = ( tmp[2] || "" ).split( "." ).sort();
-
-			// There *must* be a type, no attaching namespace-only handlers
-			if ( !type ) {
-				continue;
-			}
-
-			// If event changes its type, use the special event handlers for the changed type
-			special = jQuery.event.special[ type ] || {};
-
-			// If selector defined, determine special event api type, otherwise given type
-			type = ( selector ? special.delegateType : special.bindType ) || type;
-
-			// Update special based on newly reset type
-			special = jQuery.event.special[ type ] || {};
-
-			// handleObj is passed to all event handlers
-			handleObj = jQuery.extend({
-				type: type,
-				origType: origType,
-				data: data,
-				handler: handler,
-				guid: handler.guid,
-				selector: selector,
-				needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
-				namespace: namespaces.join(".")
-			}, handleObjIn );
-
-			// Init the event handler queue if we're the first
-			if ( !(handlers = events[ type ]) ) {
-				handlers = events[ type ] = [];
-				handlers.delegateCount = 0;
-
-				// Only use addEventListener/attachEvent if the special events handler returns false
-				if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
-					// Bind the global event handler to the element
-					if ( elem.addEventListener ) {
-						elem.addEventListener( type, eventHandle, false );
-
-					} else if ( elem.attachEvent ) {
-						elem.attachEvent( "on" + type, eventHandle );
-					}
-				}
-			}
-
-			if ( special.add ) {
-				special.add.call( elem, handleObj );
-
-				if ( !handleObj.handler.guid ) {
-					handleObj.handler.guid = handler.guid;
-				}
-			}
-
-			// Add to the element's handler list, delegates in front
-			if ( selector ) {
-				handlers.splice( handlers.delegateCount++, 0, handleObj );
-			} else {
-				handlers.push( handleObj );
-			}
-
-			// Keep track of which events have ever been used, for event optimization
-			jQuery.event.global[ type ] = true;
-		}
-
-		// Nullify elem to prevent memory leaks in IE
-		elem = null;
-	},
-
-	// Detach an event or set of events from an element
-	remove: function( elem, types, handler, selector, mappedTypes ) {
-		var j, handleObj, tmp,
-			origCount, t, events,
-			special, handlers, type,
-			namespaces, origType,
-			elemData = jQuery.hasData( elem ) && jQuery._data( elem );
-
-		if ( !elemData || !(events = elemData.events) ) {
-			return;
-		}
-
-		// Once for each type.namespace in types; type may be omitted
-		types = ( types || "" ).match( core_rnotwhite ) || [""];
-		t = types.length;
-		while ( t-- ) {
-			tmp = rtypenamespace.exec( types[t] ) || [];
-			type = origType = tmp[1];
-			namespaces = ( tmp[2] || "" ).split( "." ).sort();
-
-			// Unbind all events (on this namespace, if provided) for the element
-			if ( !type ) {
-				for ( type in events ) {
-					jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
-				}
-				continue;
-			}
-
-			special = jQuery.event.special[ type ] || {};
-			type = ( selector ? special.delegateType : special.bindType ) || type;
-			handlers = events[ type ] || [];
-			tmp = tmp[2] && new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" );
-
-			// Remove matching events
-			origCount = j = handlers.length;
-			while ( j-- ) {
-				handleObj = handlers[ j ];
-
-				if ( ( mappedTypes || origType === handleObj.origType ) &&
-					( !handler || handler.guid === handleObj.guid ) &&
-					( !tmp || tmp.test( handleObj.namespace ) ) &&
-					( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) {
-					handlers.splice( j, 1 );
-
-					if ( handleObj.selector ) {
-						handlers.delegateCount--;
-					}
-					if ( special.remove ) {
-						special.remove.call( elem, handleObj );
-					}
-				}
-			}
-
-			// Remove generic event handler if we removed something and no more handlers exist
-			// (avoids potential for endless recursion during removal of special event handlers)
-			if ( origCount && !handlers.length ) {
-				if ( !special.teardown || special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
-					jQuery.removeEvent( elem, type, elemData.handle );
-				}
-
-				delete events[ type ];
-			}
-		}
-
-		// Remove the expando if it's no longer used
-		if ( jQuery.isEmptyObject( events ) ) {
-			delete elemData.handle;
-
-			// removeData also checks for emptiness and clears the expando if empty
-			// so use it instead of delete
-			jQuery._removeData( elem, "events" );
-		}
-	},
-
-	trigger: function( event, data, elem, onlyHandlers ) {
-		var handle, ontype, cur,
-			bubbleType, special, tmp, i,
-			eventPath = [ elem || document ],
-			type = core_hasOwn.call( event, "type" ) ? event.type : event,
-			namespaces = core_hasOwn.call( event, "namespace" ) ? event.namespace.split(".") : [];
-
-		cur = tmp = elem = elem || document;
-
-		// Don't do events on text and comment nodes
-		if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
-			return;
-		}
-
-		// focus/blur morphs to focusin/out; ensure we're not firing them right now
-		if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
-			return;
-		}
-
-		if ( type.indexOf(".") >= 0 ) {
-			// Namespaced trigger; create a regexp to match event type in handle()
-			namespaces = type.split(".");
-			type = namespaces.shift();
-			namespaces.sort();
-		}
-		ontype = type.indexOf(":") < 0 && "on" + type;
-
-		// Caller can pass in a jQuery.Event object, Object, or just an event type string
-		event = event[ jQuery.expando ] ?
-			event :
-			new jQuery.Event( type, typeof event === "object" && event );
-
-		// Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
-		event.isTrigger = onlyHandlers ? 2 : 3;
-		event.namespace = namespaces.join(".");
-		event.namespace_re = event.namespace ?
-			new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ) :
-			null;
-
-		// Clean up the event in case it is being reused
-		event.result = undefined;
-		if ( !event.target ) {
-			event.target = elem;
-		}
-
-		// Clone any incoming data and prepend the event, creating the handler arg list
-		data = data == null ?
-			[ event ] :
-			jQuery.makeArray( data, [ event ] );
-
-		// Allow special events to draw outside the lines
-		special = jQuery.event.special[ type ] || {};
-		if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
-			return;
-		}
-
-		// Determine event propagation path in advance, per W3C events spec (#9951)
-		// Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
-		if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {
-
-			bubbleType = special.delegateType || type;
-			if ( !rfocusMorph.test( bubbleType + type ) ) {
-				cur = cur.parentNode;
-			}
-			for ( ; cur; cur = cur.parentNode ) {
-				eventPath.push( cur );
-				tmp = cur;
-			}
-
-			// Only add window if we got to document (e.g., not plain obj or detached DOM)
-			if ( tmp === (elem.ownerDocument || document) ) {
-				eventPath.push( tmp.defaultView || tmp.parentWindow || window );
-			}
-		}
-
-		// Fire handlers on the event path
-		i = 0;
-		while ( (cur = eventPath[i++]) && !event.isPropagationStopped() ) {
-
-			event.type = i > 1 ?
-				bubbleType :
-				special.bindType || type;
-
-			// jQuery handler
-			handle = ( jQuery._data( cur, "events" ) || {} )[ event.type ] && jQuery._data( cur, "handle" );
-			if ( handle ) {
-				handle.apply( cur, data );
-			}
-
-			// Native handler
-			handle = ontype && cur[ ontype ];
-			if ( handle && jQuery.acceptData( cur ) && handle.apply && handle.apply( cur, data ) === false ) {
-				event.preventDefault();
-			}
-		}
-		event.type = type;
-
-		// If nobody prevented the default action, do it now
-		if ( !onlyHandlers && !event.isDefaultPrevented() ) {
-
-			if ( (!special._default || special._default.apply( eventPath.pop(), data ) === false) &&
-				jQuery.acceptData( elem ) ) {
-
-				// Call a native DOM method on the target with the same name name as the event.
-				// Can't use an .isFunction() check here because IE6/7 fails that test.
-				// Don't do default actions on window, that's where global variables be (#6170)
-				if ( ontype && elem[ type ] && !jQuery.isWindow( elem ) ) {
-
-					// Don't re-trigger an onFOO event when we call its FOO() method
-					tmp = elem[ ontype ];
-
-					if ( tmp ) {
-						elem[ ontype ] = null;
-					}
-
-					// Prevent re-triggering of the same event, since we already bubbled it above
-					jQuery.event.triggered = type;
-					try {
-						elem[ type ]();
-					} catch ( e ) {
-						// IE<9 dies on focus/blur to hidden element (#1486,#12518)
-						// only reproducible on winXP IE8 native, not IE9 in IE8 mode
-					}
-					jQuery.event.triggered = undefined;
-
-					if ( tmp ) {
-						elem[ ontype ] = tmp;
-					}
-				}
-			}
-		}
-
-		return event.result;
-	},
-
-	dispatch: function( event ) {
-
-		// Make a writable jQuery.Event from the native event object
-		event = jQuery.event.fix( event );
-
-		var i, ret, handleObj, matched, j,
-			handlerQueue = [],
-			args = core_slice.call( arguments ),
-			handlers = ( jQuery._data( this, "events" ) || {} )[ event.type ] || [],
-			special = jQuery.event.special[ event.type ] || {};
-
-		// Use the fix-ed jQuery.Event rather than the (read-only) native event
-		args[0] = event;
-		event.delegateTarget = this;
-
-		// Call the preDispatch hook for the mapped type, and let it bail if desired
-		if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
-			return;
-		}
-
-		// Determine handlers
-		handlerQueue = jQuery.event.handlers.call( this, event, handlers );
-
-		// Run delegates first; they may want to stop propagation beneath us
-		i = 0;
-		while ( (matched = handlerQueue[ i++ ]) && !event.isPropagationStopped() ) {
-			event.currentTarget = matched.elem;
-
-			j = 0;
-			while ( (handleObj = matched.handlers[ j++ ]) && !event.isImmediatePropagationStopped() ) {
-
-				// Triggered event must either 1) have no namespace, or
-				// 2) have namespace(s) a subset or equal to those in the bound event (both can have no namespace).
-				if ( !event.namespace_re || event.namespace_re.test( handleObj.namespace ) ) {
-
-					event.handleObj = handleObj;
-					event.data = handleObj.data;
-
-					ret = ( (jQuery.event.special[ handleObj.origType ] || {}).handle || handleObj.handler )
-							.apply( matched.elem, args );
-
-					if ( ret !== undefined ) {
-						if ( (event.result = ret) === false ) {
-							event.preventDefault();
-							event.stopPropagation();
-						}
-					}
-				}
-			}
-		}
-
-		// Call the postDispatch hook for the mapped type
-		if ( special.postDispatch ) {
-			special.postDispatch.call( this, event );
-		}
-
-		return event.result;
-	},
-
-	handlers: function( event, handlers ) {
-		var sel, handleObj, matches, i,
-			handlerQueue = [],
-			delegateCount = handlers.delegateCount,
-			cur = event.target;
-
-		// Find delegate handlers
-		// Black-hole SVG <use> instance trees (#13180)
-		// Avoid non-left-click bubbling in Firefox (#3861)
-		if ( delegateCount && cur.nodeType && (!event.button || event.type !== "click") ) {
-
-			/* jshint eqeqeq: false */
-			for ( ; cur != this; cur = cur.parentNode || this ) {
-				/* jshint eqeqeq: true */
-
-				// Don't check non-elements (#13208)
-				// Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
-				if ( cur.nodeType === 1 && (cur.disabled !== true || event.type !== "click") ) {
-					matches = [];
-					for ( i = 0; i < delegateCount; i++ ) {
-						handleObj = handlers[ i ];
-
-						// Don't conflict with Object.prototype properties (#13203)
-						sel = handleObj.selector + " ";
-
-						if ( matches[ sel ] === undefined ) {
-							matches[ sel ] = handleObj.needsContext ?
-								jQuery( sel, this ).index( cur ) >= 0 :
-								jQuery.find( sel, this, null, [ cur ] ).length;
-						}
-						if ( matches[ sel ] ) {
-							matches.push( handleObj );
-						}
-					}
-					if ( matches.length ) {
-						handlerQueue.push({ elem: cur, handlers: matches });
-					}
-				}
-			}
-		}
-
-		// Add the remaining (directly-bound) handlers
-		if ( delegateCount < handlers.length ) {
-			handlerQueue.push({ elem: this, handlers: handlers.slice( delegateCount ) });
-		}
-
-		return handlerQueue;
-	},
-
-	fix: function( event ) {
-		if ( event[ jQuery.expando ] ) {
-			return event;
-		}
-
-		// Create a writable copy of the event object and normalize some properties
-		var i, prop, copy,
-			type = event.type,
-			originalEvent = event,
-			fixHook = this.fixHooks[ type ];
-
-		if ( !fixHook ) {
-			this.fixHooks[ type ] = fixHook =
-				rmouseEvent.test( type ) ? this.mouseHooks :
-				rkeyEvent.test( type ) ? this.keyHooks :
-				{};
-		}
-		copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props;
-
-		event = new jQuery.Event( originalEvent );
-
-		i = copy.length;
-		while ( i-- ) {
-			prop = copy[ i ];
-			event[ prop ] = originalEvent[ prop ];
-		}
-
-		// Support: IE<9
-		// Fix target property (#1925)
-		if ( !event.target ) {
-			event.target = originalEvent.srcElement || document;
-		}
-
-		// Support: Chrome 23+, Safari?
-		// Target should not be a text node (#504, #13143)
-		if ( event.target.nodeType === 3 ) {
-			event.target = event.target.parentNode;
-		}
-
-		// Support: IE<9
-		// For mouse/key events, metaKey==false if it's undefined (#3368, #11328)
-		event.metaKey = !!event.metaKey;
-
-		return fixHook.filter ? fixHook.filter( event, originalEvent ) : event;
-	},
-
-	// Includes some event props shared by KeyEvent and MouseEvent
-	props: "altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "),
-
-	fixHooks: {},
-
-	keyHooks: {
-		props: "char charCode key keyCode".split(" "),
-		filter: function( event, original ) {
-
-			// Add which for key events
-			if ( event.which == null ) {
-				event.which = original.charCode != null ? original.charCode : original.keyCode;
-			}
-
-			return event;
-		}
-	},
-
-	mouseHooks: {
-		props: "button buttons clientX clientY fromElement offsetX offsetY pageX pageY screenX screenY toElement".split(" "),
-		filter: function( event, original ) {
-			var body, eventDoc, doc,
-				button = original.button,
-				fromElement = original.fromElement;
-
-			// Calculate pageX/Y if missing and clientX/Y available
-			if ( event.pageX == null && original.clientX != null ) {
-				eventDoc = event.target.ownerDocument || document;
-				doc = eventDoc.documentElement;
-				body = eventDoc.body;
-
-				event.pageX = original.clientX + ( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) - ( doc && doc.clientLeft || body && body.clientLeft || 0 );
-				event.pageY = original.clientY + ( doc && doc.scrollTop  || body && body.scrollTop  || 0 ) - ( doc && doc.clientTop  || body && body.clientTop  || 0 );
-			}
-
-			// Add relatedTarget, if necessary
-			if ( !event.relatedTarget && fromElement ) {
-				event.relatedTarget = fromElement === event.target ? original.toElement : fromElement;
-			}
-
-			// Add which for click: 1 === left; 2 === middle; 3 === right
-			// Note: button is not normalized, so don't use it
-			if ( !event.which && button !== undefined ) {
-				event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) );
-			}
-
-			return event;
-		}
-	},
-
-	special: {
-		load: {
-			// Prevent triggered image.load events from bubbling to window.load
-			noBubble: true
-		},
-		focus: {
-			// Fire native event if possible so blur/focus sequence is correct
-			trigger: function() {
-				if ( this !== safeActiveElement() && this.focus ) {
-					try {
-						this.focus();
-						return false;
-					} catch ( e ) {
-						// Support: IE<9
-						// If we error on focus to hidden element (#1486, #12518),
-						// let .trigger() run the handlers
-					}
-				}
-			},
-			delegateType: "focusin"
-		},
-		blur: {
-			trigger: function() {
-				if ( this === safeActiveElement() && this.blur ) {
-					this.blur();
-					return false;
-				}
-			},
-			delegateType: "focusout"
-		},
-		click: {
-			// For checkbox, fire native event so checked state will be right
-			trigger: function() {
-				if ( jQuery.nodeName( this, "input" ) && this.type === "checkbox" && this.click ) {
-					this.click();
-					return false;
-				}
-			},
-
-			// For cross-browser consistency, don't fire native .click() on links
-			_default: function( event ) {
-				return jQuery.nodeName( event.target, "a" );
-			}
-		},
-
-		beforeunload: {
-			postDispatch: function( event ) {
-
-				// Even when returnValue equals to undefined Firefox will still show alert
-				if ( event.result !== undefined ) {
-					event.originalEvent.returnValue = event.result;
-				}
-			}
-		}
-	},
-
-	simulate: function( type, elem, event, bubble ) {
-		// Piggyback on a donor event to simulate a different one.
-		// Fake originalEvent to avoid donor's stopPropagation, but if the
-		// simulated event prevents default then we do the same on the donor.
-		var e = jQuery.extend(
-			new jQuery.Event(),
-			event,
-			{
-				type: type,
-				isSimulated: true,
-				originalEvent: {}
-			}
-		);
-		if ( bubble ) {
-			jQuery.event.trigger( e, null, elem );
-		} else {
-			jQuery.event.dispatch.call( elem, e );
-		}
-		if ( e.isDefaultPrevented() ) {
-			event.preventDefault();
-		}
-	}
-};
-
-jQuery.removeEvent = document.removeEventListener ?
-	function( elem, type, handle ) {
-		if ( elem.removeEventListener ) {
-			elem.removeEventListener( type, handle, false );
-		}
-	} :
-	function( elem, type, handle ) {
-		var name = "on" + type;
-
-		if ( elem.detachEvent ) {
-
-			// #8545, #7054, preventing memory leaks for custom events in IE6-8
-			// detachEvent needed property on element, by name of that event, to properly expose it to GC
-			if ( typeof elem[ name ] === core_strundefined ) {
-				elem[ name ] = null;
-			}
-
-			elem.detachEvent( name, handle );
-		}
-	};
-
-jQuery.Event = function( src, props ) {
-	// Allow instantiation without the 'new' keyword
-	if ( !(this instanceof jQuery.Event) ) {
-		return new jQuery.Event( src, props );
-	}
-
-	// Event object
-	if ( src && src.type ) {
-		this.originalEvent = src;
-		this.type = src.type;
-
-		// Events bubbling up the document may have been marked as prevented
-		// by a handler lower down the tree; reflect the correct value.
-		this.isDefaultPrevented = ( src.defaultPrevented || src.returnValue === false ||
-			src.getPreventDefault && src.getPreventDefault() ) ? returnTrue : returnFalse;
-
-	// Event type
-	} else {
-		this.type = src;
-	}
-
-	// Put explicitly provided properties onto the event object
-	if ( props ) {
-		jQuery.extend( this, props );
-	}
-
-	// Create a timestamp if incoming event doesn't have one
-	this.timeStamp = src && src.timeStamp || jQuery.now();
-
-	// Mark it as fixed
-	this[ jQuery.expando ] = true;
-};
-
-// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
-// http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
-jQuery.Event.prototype = {
-	isDefaultPrevented: returnFalse,
-	isPropagationStopped: returnFalse,
-	isImmediatePropagationStopped: returnFalse,
-
-	preventDefault: function() {
-		var e = this.originalEvent;
-
-		this.isDefaultPrevented = returnTrue;
-		if ( !e ) {
-			return;
-		}
-
-		// If preventDefault exists, run it on the original event
-		if ( e.preventDefault ) {
-			e.preventDefault();
-
-		// Support: IE
-		// Otherwise set the returnValue property of the original event to false
-		} else {
-			e.returnValue = false;
-		}
-	},
-	stopPropagation: function() {
-		var e = this.originalEvent;
-
-		this.isPropagationStopped = returnTrue;
-		if ( !e ) {
-			return;
-		}
-		// If stopPropagation exists, run it on the original event
-		if ( e.stopPropagation ) {
-			e.stopPropagation();
-		}
-
-		// Support: IE
-		// Set the cancelBubble property of the original event to true
-		e.cancelBubble = true;
-	},
-	stopImmediatePropagation: function() {
-		this.isImmediatePropagationStopped = returnTrue;
-		this.stopPropagation();
-	}
-};
-
-// Create mouseenter/leave events using mouseover/out and event-time checks
-jQuery.each({
-	mouseenter: "mouseover",
-	mouseleave: "mouseout"
-}, function( orig, fix ) {
-	jQuery.event.special[ orig ] = {
-		delegateType: fix,
-		bindType: fix,
-
-		handle: function( event ) {
-			var ret,
-				target = this,
-				related = event.relatedTarget,
-				handleObj = event.handleObj;
-
-			// For mousenter/leave call the handler if related is outside the target.
-			// NB: No relatedTarget if the mouse left/entered the browser window
-			if ( !related || (related !== target && !jQuery.contains( target, related )) ) {
-				event.type = handleObj.origType;
-				ret = handleObj.handler.apply( this, arguments );
-				event.type = fix;
-			}
-			return ret;
-		}
-	};
-});
-
-// IE submit delegation
-if ( !jQuery.support.submitBubbles ) {
-
-	jQuery.event.special.submit = {
-		setup: function() {
-			// Only need this for delegated form submit events
-			if ( jQuery.nodeName( this, "form" ) ) {
-				return false;
-			}
-
-			// Lazy-add a submit handler when a descendant form may potentially be submitted
-			jQuery.event.add( this, "click._submit keypress._submit", function( e ) {
-				// Node name check avoids a VML-related crash in IE (#9807)
-				var elem = e.target,
-					form = jQuery.nodeName( elem, "input" ) || jQuery.nodeName( elem, "button" ) ? elem.form : undefined;
-				if ( form && !jQuery._data( form, "submitBubbles" ) ) {
-					jQuery.event.add( form, "submit._submit", function( event ) {
-						event._submit_bubble = true;
-					});
-					jQuery._data( form, "submitBubbles", true );
-				}
-			});
-			// return undefined since we don't need an event listener
-		},
-
-		postDispatch: function( event ) {
-			// If form was submitted by the user, bubble the event up the tree
-			if ( event._submit_bubble ) {
-				delete event._submit_bubble;
-				if ( this.parentNode && !event.isTrigger ) {
-					jQuery.event.simulate( "submit", this.parentNode, event, true );
-				}
-			}
-		},
-
-		teardown: function() {
-			// Only need this for delegated form submit events
-			if ( jQuery.nodeName( this, "form" ) ) {
-				return false;
-			}
-
-			// Remove delegated handlers; cleanData eventually reaps submit handlers attached above
-			jQuery.event.remove( this, "._submit" );
-		}
-	};
-}
-
-// IE change delegation and checkbox/radio fix
-if ( !jQuery.support.changeBubbles ) {
-
-	jQuery.event.special.change = {
-
-		setup: function() {
-
-			if ( rformElems.test( this.nodeName ) ) {
-				// IE doesn't fire change on a check/radio until blur; trigger it on click
-				// after a propertychange. Eat the blur-change in special.change.handle.
-				// This still fires onchange a second time for check/radio after blur.
-				if ( this.type === "checkbox" || this.type === "radio" ) {
-					jQuery.event.add( this, "propertychange._change", function( event ) {
-						if ( event.originalEvent.propertyName === "checked" ) {
-							this._just_changed = true;
-						}
-					});
-					jQuery.event.add( this, "click._change", function( event ) {
-						if ( this._just_changed && !event.isTrigger ) {
-							this._just_changed = false;
-						}
-						// Allow triggered, simulated change events (#11500)
-						jQuery.event.simulate( "change", this, event, true );
-					});
-				}
-				return false;
-			}
-			// Delegated event; lazy-add a change handler on descendant inputs
-			jQuery.event.add( this, "beforeactivate._change", function( e ) {
-				var elem = e.target;
-
-				if ( rformElems.test( elem.nodeName ) && !jQuery._data( elem, "changeBubbles" ) ) {
-					jQuery.event.add( elem, "change._change", function( event ) {
-						if ( this.parentNode && !event.isSimulated && !event.isTrigger ) {
-							jQuery.event.simulate( "change", this.parentNode, event, true );
-						}
-					});
-					jQuery._data( elem, "changeBubbles", true );
-				}
-			});
-		},
-
-		handle: function( event ) {
-			var elem = event.target;
-
-			// Swallow native change events from checkbox/radio, we already triggered them above
-			if ( this !== elem || event.isSimulated || event.isTrigger || (elem.type !== "radio" && elem.type !== "checkbox") ) {
-				return event.handleObj.handler.apply( this, arguments );
-			}
-		},
-
-		teardown: function() {
-			jQuery.event.remove( this, "._change" );
-
-			return !rformElems.test( this.nodeName );
-		}
-	};
-}
-
-// Create "bubbling" focus and blur events
-if ( !jQuery.support.focusinBubbles ) {
-	jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {
-
-		// Attach a single capturing handler while someone wants focusin/focusout
-		var attaches = 0,
-			handler = function( event ) {
-				jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ), true );
-			};
-
-		jQuery.event.special[ fix ] = {
-			setup: function() {
-				if ( attaches++ === 0 ) {
-					document.addEventListener( orig, handler, true );
-				}
-			},
-			teardown: function() {
-				if ( --attaches === 0 ) {
-					document.removeEventListener( orig, handler, true );
-				}
-			}
-		};
-	});
-}
-
-jQuery.fn.extend({
-
-	on: function( types, selector, data, fn, /*INTERNAL*/ one ) {
-		var type, origFn;
-
-		// Types can be a map of types/handlers
-		if ( typeof types === "object" ) {
-			// ( types-Object, selector, data )
-			if ( typeof selector !== "string" ) {
-				// ( types-Object, data )
-				data = data || selector;
-				selector = undefined;
-			}
-			for ( type in types ) {
-				this.on( type, selector, data, types[ type ], one );
-			}
-			return this;
-		}
-
-		if ( data == null && fn == null ) {
-			// ( types, fn )
-			fn = selector;
-			data = selector = undefined;
-		} else if ( fn == null ) {
-			if ( typeof selector === "string" ) {
-				// ( types, selector, fn )
-				fn = data;
-				data = undefined;
-			} else {
-				// ( types, data, fn )
-				fn = data;
-				data = selector;
-				selector = undefined;
-			}
-		}
-		if ( fn === false ) {
-			fn = returnFalse;
-		} else if ( !fn ) {
-			return this;
-		}
-
-		if ( one === 1 ) {
-			origFn = fn;
-			fn = function( event ) {
-				// Can use an empty set, since event contains the info
-				jQuery().off( event );
-				return origFn.apply( this, arguments );
-			};
-			// Use same guid so caller can remove using origFn
-			fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
-		}
-		return this.each( function() {
-			jQuery.event.add( this, types, fn, data, selector );
-		});
-	},
-	one: function( types, selector, data, fn ) {
-		return this.on( types, selector, data, fn, 1 );
-	},
-	off: function( types, selector, fn ) {
-		var handleObj, type;
-		if ( types && types.preventDefault && types.handleObj ) {
-			// ( event )  dispatched jQuery.Event
-			handleObj = types.handleObj;
-			jQuery( types.delegateTarget ).off(
-				handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType,
-				handleObj.selector,
-				handleObj.handler
-			);
-			return this;
-		}
-		if ( typeof types === "object" ) {
-			// ( types-object [, selector] )
-			for ( type in types ) {
-				this.off( type, selector, types[ type ] );
-			}
-			return this;
-		}
-		if ( selector === false || typeof selector === "function" ) {
-			// ( types [, fn] )
-			fn = selector;
-			selector = undefined;
-		}
-		if ( fn === false ) {
-			fn = returnFalse;
-		}
-		return this.each(function() {
-			jQuery.event.remove( this, types, fn, selector );
-		});
-	},
-
-	trigger: function( type, data ) {
-		return this.each(function() {
-			jQuery.event.trigger( type, data, this );
-		});
-	},
-	triggerHandler: function( type, data ) {
-		var elem = this[0];
-		if ( elem ) {
-			return jQuery.event.trigger( type, data, elem, true );
-		}
-	}
-});
-var isSimple = /^.[^:#\[\.,]*$/,
-	rparentsprev = /^(?:parents|prev(?:Until|All))/,
-	rneedsContext = jQuery.expr.match.needsContext,
-	// methods guaranteed to produce a unique set when starting from a unique set
-	guaranteedUnique = {
-		children: true,
-		contents: true,
-		next: true,
-		prev: true
-	};
-
-jQuery.fn.extend({
-	find: function( selector ) {
-		var i,
-			ret = [],
-			self = this,
-			len = self.length;
-
-		if ( typeof selector !== "string" ) {
-			return this.pushStack( jQuery( selector ).filter(function() {
-				for ( i = 0; i < len; i++ ) {
-					if ( jQuery.contains( self[ i ], this ) ) {
-						return true;
-					}
-				}
-			}) );
-		}
-
-		for ( i = 0; i < len; i++ ) {
-			jQuery.find( selector, self[ i ], ret );
-		}
-
-		// Needed because $( selector, context ) becomes $( context ).find( selector )
-		ret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret );
-		ret.selector = this.selector ? this.selector + " " + selector : selector;
-		return ret;
-	},
-
-	has: function( target ) {
-		var i,
-			targets = jQuery( target, this ),
-			len = targets.length;
-
-		return this.filter(function() {
-			for ( i = 0; i < len; i++ ) {
-				if ( jQuery.contains( this, targets[i] ) ) {
-					return true;
-				}
-			}
-		});
-	},
-
-	not: function( selector ) {
-		return this.pushStack( winnow(this, selector || [], true) );
-	},
-
-	filter: function( selector ) {
-		return this.pushStack( winnow(this, selector || [], false) );
-	},
-
-	is: function( selector ) {
-		return !!winnow(
-			this,
-
-			// If this is a positional/relative selector, check membership in the returned set
-			// so $("p:first").is("p:last") won't return true for a doc with two "p".
-			typeof selector === "string" && rneedsContext.test( selector ) ?
-				jQuery( selector ) :
-				selector || [],
-			false
-		).length;
-	},
-
-	closest: function( selectors, context ) {
-		var cur,
-			i = 0,
-			l = this.length,
-			ret = [],
-			pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ?
-				jQuery( selectors, context || this.context ) :
-				0;
-
-		for ( ; i < l; i++ ) {
-			for ( cur = this[i]; cur && cur !== context; cur = cur.parentNode ) {
-				// Always skip document fragments
-				if ( cur.nodeType < 11 && (pos ?
-					pos.index(cur) > -1 :
-
-					// Don't pass non-elements to Sizzle
-					cur.nodeType === 1 &&
-						jQuery.find.matchesSelector(cur, selectors)) ) {
-
-					cur = ret.push( cur );
-					break;
-				}
-			}
-		}
-
-		return this.pushStack( ret.length > 1 ? jQuery.unique( ret ) : ret );
-	},
-
-	// Determine the position of an element within
-	// the matched set of elements
-	index: function( elem ) {
-
-		// No argument, return index in parent
-		if ( !elem ) {
-			return ( this[0] && this[0].parentNode ) ? this.first().prevAll().length : -1;
-		}
-
-		// index in selector
-		if ( typeof elem === "string" ) {
-			return jQuery.inArray( this[0], jQuery( elem ) );
-		}
-
-		// Locate the position of the desired element
-		return jQuery.inArray(
-			// If it receives a jQuery object, the first element is used
-			elem.jquery ? elem[0] : elem, this );
-	},
-
-	add: function( selector, context ) {
-		var set = typeof selector === "string" ?
-				jQuery( selector, context ) :
-				jQuery.makeArray( selector && selector.nodeType ? [ selector ] : selector ),
-			all = jQuery.merge( this.get(), set );
-
-		return this.pushStack( jQuery.unique(all) );
-	},
-
-	addBack: function( selector ) {
-		return this.add( selector == null ?
-			this.prevObject : this.prevObject.filter(selector)
-		);
-	}
-});
-
-function sibling( cur, dir ) {
-	do {
-		cur = cur[ dir ];
-	} while ( cur && cur.nodeType !== 1 );
-
-	return cur;
-}
-
-jQuery.each({
-	parent: function( elem ) {
-		var parent = elem.parentNode;
-		return parent && parent.nodeType !== 11 ? parent : null;
-	},
-	parents: function( elem ) {
-		return jQuery.dir( elem, "parentNode" );
-	},
-	parentsUntil: function( elem, i, until ) {
-		return jQuery.dir( elem, "parentNode", until );
-	},
-	next: function( elem ) {
-		return sibling( elem, "nextSibling" );
-	},
-	prev: function( elem ) {
-		return sibling( elem, "previousSibling" );
-	},
-	nextAll: function( elem ) {
-		return jQuery.dir( elem, "nextSibling" );
-	},
-	prevAll: function( elem ) {
-		return jQuery.dir( elem, "previousSibling" );
-	},
-	nextUntil: function( elem, i, until ) {
-		return jQuery.dir( elem, "nextSibling", until );
-	},
-	prevUntil: function( elem, i, until ) {
-		return jQuery.dir( elem, "previousSibling", until );
-	},
-	siblings: function( elem ) {
-		return jQuery.sibling( ( elem.parentNode || {} ).firstChild, elem );
-	},
-	children: function( elem ) {
-		return jQuery.sibling( elem.firstChild );
-	},
-	contents: function( elem ) {
-		return jQuery.nodeName( elem, "iframe" ) ?
-			elem.contentDocument || elem.contentWindow.document :
-			jQuery.merge( [], elem.childNodes );
-	}
-}, function( name, fn ) {
-	jQuery.fn[ name ] = function( until, selector ) {
-		var ret = jQuery.map( this, fn, until );
-
-		if ( name.slice( -5 ) !== "Until" ) {
-			selector = until;
-		}
-
-		if ( selector && typeof selector === "string" ) {
-			ret = jQuery.filter( selector, ret );
-		}
-
-		if ( this.length > 1 ) {
-			// Remove duplicates
-			if ( !guaranteedUnique[ name ] ) {
-				ret = jQuery.unique( ret );
-			}
-
-			// Reverse order for parents* and prev-derivatives
-			if ( rparentsprev.test( name ) ) {
-				ret = ret.reverse();
-			}
-		}
-
-		return this.pushStack( ret );
-	};
-});
-
-jQuery.extend({
-	filter: function( expr, elems, not ) {
-		var elem = elems[ 0 ];
-
-		if ( not ) {
-			expr = ":not(" + expr + ")";
-		}
-
-		return elems.length === 1 && elem.nodeType === 1 ?
-			jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] :
-			jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
-				return elem.nodeType === 1;
-			}));
-	},
-
-	dir: function( elem, dir, until ) {
-		var matched = [],
-			cur = elem[ dir ];
-
-		while ( cur && cur.nodeType !== 9 && (until === undefined || cur.nodeType !== 1 || !jQuery( cur ).is( until )) ) {
-			if ( cur.nodeType === 1 ) {
-				matched.push( cur );
-			}
-			cur = cur[dir];
-		}
-		return matched;
-	},
-
-	sibling: function( n, elem ) {
-		var r = [];
-
-		for ( ; n; n = n.nextSibling ) {
-			if ( n.nodeType === 1 && n !== elem ) {
-				r.push( n );
-			}
-		}
-
-		return r;
-	}
-});
-
-// Implement the identical functionality for filter and not
-function winnow( elements, qualifier, not ) {
-	if ( jQuery.isFunction( qualifier ) ) {
-		return jQuery.grep( elements, function( elem, i ) {
-			/* jshint -W018 */
-			return !!qualifier.call( elem, i, elem ) !== not;
-		});
-
-	}
-
-	if ( qualifier.nodeType ) {
-		return jQuery.grep( elements, function( elem ) {
-			return ( elem === qualifier ) !== not;
-		});
-
-	}
-
-	if ( typeof qualifier === "string" ) {
-		if ( isSimple.test( qualifier ) ) {
-			return jQuery.filter( qualifier, elements, not );
-		}
-
-		qualifier = jQuery.filter( qualifier, elements );
-	}
-
-	return jQuery.grep( elements, function( elem ) {
-		return ( jQuery.inArray( elem, qualifier ) >= 0 ) !== not;
-	});
-}
-function createSafeFragment( document ) {
-	var list = nodeNames.split( "|" ),
-		safeFrag = document.createDocumentFragment();
-
-	if ( safeFrag.createElement ) {
-		while ( list.length ) {
-			safeFrag.createElement(
-				list.pop()
-			);
-		}
-	}
-	return safeFrag;
-}
-
-var nodeNames = "abbr|article|aside|audio|bdi|canvas|data|datalist|details|figcaption|figure|footer|" +
-		"header|hgroup|mark|meter|nav|output|progress|section|summary|time|video",
-	rinlinejQuery = / jQuery\d+="(?:null|\d+)"/g,
-	rnoshimcache = new RegExp("<(?:" + nodeNames + ")[\\s/>]", "i"),
-	rleadingWhitespace = /^\s+/,
-	rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi,
-	rtagName = /<([\w:]+)/,
-	rtbody = /<tbody/i,
-	rhtml = /<|&#?\w+;/,
-	rnoInnerhtml = /<(?:script|style|link)/i,
-	manipulation_rcheckableType = /^(?:checkbox|radio)$/i,
-	// checked="checked" or checked
-	rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
-	rscriptType = /^$|\/(?:java|ecma)script/i,
-	rscriptTypeMasked = /^true\/(.*)/,
-	rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g,
-
-	// We have to close these tags to support XHTML (#13200)
-	wrapMap = {
-		option: [ 1, "<select multiple='multiple'>", "</select>" ],
-		legend: [ 1, "<fieldset>", "</fieldset>" ],
-		area: [ 1, "<map>", "</map>" ],
-		param: [ 1, "<object>", "</object>" ],
-		thead: [ 1, "<table>", "</table>" ],
-		tr: [ 2, "<table><tbody>", "</tbody></table>" ],
-		col: [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ],
-		td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
-
-		// IE6-8 can't serialize link, script, style, or any html5 (NoScope) tags,
-		// unless wrapped in a div with non-breaking characters in front of it.
-		_default: jQuery.support.htmlSerialize ? [ 0, "", "" ] : [ 1, "X<div>", "</div>"  ]
-	},
-	safeFragment = createSafeFragment( document ),
-	fragmentDiv = safeFragment.appendChild( document.createElement("div") );
-
-wrapMap.optgroup = wrapMap.option;
-wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
-wrapMap.th = wrapMap.td;
-
-jQuery.fn.extend({
-	text: function( value ) {
-		return jQuery.access( this, function( value ) {
-			return value === undefined ?
-				jQuery.text( this ) :
-				this.empty().append( ( this[0] && this[0].ownerDocument || document ).createTextNode( value ) );
-		}, null, value, arguments.length );
-	},
-
-	append: function() {
-		return this.domManip( arguments, function( elem ) {
-			if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
-				var target = manipulationTarget( this, elem );
-				target.appendChild( elem );
-			}
-		});
-	},
-
-	prepend: function() {
-		return this.domManip( arguments, function( elem ) {
-			if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
-				var target = manipulationTarget( this, elem );
-				target.insertBefore( elem, target.firstChild );
-			}
-		});
-	},
-
-	before: function() {
-		return this.domManip( arguments, function( elem ) {
-			if ( this.parentNode ) {
-				this.parentNode.insertBefore( elem, this );
-			}
-		});
-	},
-
-	after: function() {
-		return this.domManip( arguments, function( elem ) {
-			if ( this.parentNode ) {
-				this.parentNode.insertBefore( elem, this.nextSibling );
-			}
-		});
-	},
-
-	// keepData is for internal use only--do not document
-	remove: function( selector, keepData ) {
-		var elem,
-			elems = selector ? jQuery.filter( selector, this ) : this,
-			i = 0;
-
-		for ( ; (elem = elems[i]) != null; i++ ) {
-
-			if ( !keepData && elem.nodeType === 1 ) {
-				jQuery.cleanData( getAll( elem ) );
-			}
-
-			if ( elem.parentNode ) {
-				if ( keepData && jQuery.contains( elem.ownerDocument, elem ) ) {
-					setGlobalEval( getAll( elem, "script" ) );
-				}
-				elem.parentNode.removeChild( elem );
-			}
-		}
-
-		return this;
-	},
-
-	empty: function() {
-		var elem,
-			i = 0;
-
-		for ( ; (elem = this[i]) != null; i++ ) {
-			// Remove element nodes and prevent memory leaks
-			if ( elem.nodeType === 1 ) {
-				jQuery.cleanData( getAll( elem, false ) );
-			}
-
-			// Remove any remaining nodes
-			while ( elem.firstChild ) {
-				elem.removeChild( elem.firstChild );
-			}
-
-			// If this is a select, ensure that it displays empty (#12336)
-			// Support: IE<9
-			if ( elem.options && jQuery.nodeName( elem, "select" ) ) {
-				elem.options.length = 0;
-			}
-		}
-
-		return this;
-	},
-
-	clone: function( dataAndEvents, deepDataAndEvents ) {
-		dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
-		deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
-
-		return this.map( function () {
-			return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
-		});
-	},
-
-	html: function( value ) {
-		return jQuery.access( this, function( value ) {
-			var elem = this[0] || {},
-				i = 0,
-				l = this.length;
-
-			if ( value === undefined ) {
-				return elem.nodeType === 1 ?
-					elem.innerHTML.replace( rinlinejQuery, "" ) :
-					undefined;
-			}
-
-			// See if we can take a shortcut and just use innerHTML
-			if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
-				( jQuery.support.htmlSerialize || !rnoshimcache.test( value )  ) &&
-				( jQuery.support.leadingWhitespace || !rleadingWhitespace.test( value ) ) &&
-				!wrapMap[ ( rtagName.exec( value ) || ["", ""] )[1].toLowerCase() ] ) {
-
-				value = value.replace( rxhtmlTag, "<$1></$2>" );
-
-				try {
-					for (; i < l; i++ ) {
-						// Remove element nodes and prevent memory leaks
-						elem = this[i] || {};
-						if ( elem.nodeType === 1 ) {
-							jQuery.cleanData( getAll( elem, false ) );
-							elem.innerHTML = value;
-						}
-					}
-
-					elem = 0;
-
-				// If using innerHTML throws an exception, use the fallback method
-				} catch(e) {}
-			}
-
-			if ( elem ) {
-				this.empty().append( value );
-			}
-		}, null, value, arguments.length );
-	},
-
-	replaceWith: function() {
-		var
-			// Snapshot the DOM in case .domManip sweeps something relevant into its fragment
-			args = jQuery.map( this, function( elem ) {
-				return [ elem.nextSibling, elem.parentNode ];
-			}),
-			i = 0;
-
-		// Make the changes, replacing each context element with the new content
-		this.domManip( arguments, function( elem ) {
-			var next = args[ i++ ],
-				parent = args[ i++ ];
-
-			if ( parent ) {
-				// Don't use the snapshot next if it has moved (#13810)
-				if ( next && next.parentNode !== parent ) {
-					next = this.nextSibling;
-				}
-				jQuery( this ).remove();
-				parent.insertBefore( elem, next );
-			}
-		// Allow new content to include elements from the context set
-		}, true );
-
-		// Force removal if there was no new content (e.g., from empty arguments)
-		return i ? this : this.remove();
-	},
-
-	detach: function( selector ) {
-		return this.remove( selector, true );
-	},
-
-	domManip: function( args, callback, allowIntersection ) {
-
-		// Flatten any nested arrays
-		args = core_concat.apply( [], args );
-
-		var first, node, hasScripts,
-			scripts, doc, fragment,
-			i = 0,
-			l = this.length,
-			set = this,
-			iNoClone = l - 1,
-			value = args[0],
-			isFunction = jQuery.isFunction( value );
-
-		// We can't cloneNode fragments that contain checked, in WebKit
-		if ( isFunction || !( l <= 1 || typeof value !== "string" || jQuery.support.checkClone || !rchecked.test( value ) ) ) {
-			return this.each(function( index ) {
-				var self = set.eq( index );
-				if ( isFunction ) {
-					args[0] = value.call( this, index, self.html() );
-				}
-				self.domManip( args, callback, allowIntersection );
-			});
-		}
-
-		if ( l ) {
-			fragment = jQuery.buildFragment( args, this[ 0 ].ownerDocument, false, !allowIntersection && this );
-			first = fragment.firstChild;
-
-			if ( fragment.childNodes.length === 1 ) {
-				fragment = first;
-			}
-
-			if ( first ) {
-				scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
-				hasScripts = scripts.length;
-
-				// Use the original fragment for the last item instead of the first because it can end up
-				// being emptied incorrectly in certain situations (#8070).
-				for ( ; i < l; i++ ) {
-					node = fragment;
-
-					if ( i !== iNoClone ) {
-						node = jQuery.clone( node, true, true );
-
-						// Keep references to cloned scripts for later restoration
-						if ( hasScripts ) {
-							jQuery.merge( scripts, getAll( node, "script" ) );
-						}
-					}
-
-					callback.call( this[i], node, i );
-				}
-
-				if ( hasScripts ) {
-					doc = scripts[ scripts.length - 1 ].ownerDocument;
-
-					// Reenable scripts
-					jQuery.map( scripts, restoreScript );
-
-					// Evaluate executable scripts on first document insertion
-					for ( i = 0; i < hasScripts; i++ ) {
-						node = scripts[ i ];
-						if ( rscriptType.test( node.type || "" ) &&
-							!jQuery._data( node, "globalEval" ) && jQuery.contains( doc, node ) ) {
-
-							if ( node.src ) {
-								// Hope ajax is available...
-								jQuery._evalUrl( node.src );
-							} else {
-								jQuery.globalEval( ( node.text || node.textContent || node.innerHTML || "" ).replace( rcleanScript, "" ) );
-							}
-						}
-					}
-				}
-
-				// Fix #11809: Avoid leaking memory
-				fragment = first = null;
-			}
-		}
-
-		return this;
-	}
-});
-
-// Support: IE<8
-// Manipulating tables requires a tbody
-function manipulationTarget( elem, content ) {
-	return jQuery.nodeName( elem, "table" ) &&
-		jQuery.nodeName( content.nodeType === 1 ? content : content.firstChild, "tr" ) ?
-
-		elem.getElementsByTagName("tbody")[0] ||
-			elem.appendChild( elem.ownerDocument.createElement("tbody") ) :
-		elem;
-}
-
-// Replace/restore the type attribute of script elements for safe DOM manipulation
-function disableScript( elem ) {
-	elem.type = (jQuery.find.attr( elem, "type" ) !== null) + "/" + elem.type;
-	return elem;
-}
-function restoreScript( elem ) {
-	var match = rscriptTypeMasked.exec( elem.type );
-	if ( match ) {
-		elem.type = match[1];
-	} else {
-		elem.removeAttribute("type");
-	}
-	return elem;
-}
-
-// Mark scripts as having already been evaluated
-function setGlobalEval( elems, refElements ) {
-	var elem,
-		i = 0;
-	for ( ; (elem = elems[i]) != null; i++ ) {
-		jQuery._data( elem, "globalEval", !refElements || jQuery._data( refElements[i], "globalEval" ) );
-	}
-}
-
-function cloneCopyEvent( src, dest ) {
-
-	if ( dest.nodeType !== 1 || !jQuery.hasData( src ) ) {
-		return;
-	}
-
-	var type, i, l,
-		oldData = jQuery._data( src ),
-		curData = jQuery._data( dest, oldData ),
-		events = oldData.events;
-
-	if ( events ) {
-		delete curData.handle;
-		curData.events = {};
-
-		for ( type in events ) {
-			for ( i = 0, l = events[ type ].length; i < l; i++ ) {
-				jQuery.event.add( dest, type, events[ type ][ i ] );
-			}
-		}
-	}
-
-	// make the cloned public data object a copy from the original
-	if ( curData.data ) {
-		curData.data = jQuery.extend( {}, curData.data );
-	}
-}
-
-function fixCloneNodeIssues( src, dest ) {
-	var nodeName, e, data;
-
-	// We do not need to do anything for non-Elements
-	if ( dest.nodeType !== 1 ) {
-		return;
-	}
-
-	nodeName = dest.nodeName.toLowerCase();
-
-	// IE6-8 copies events bound via attachEvent when using cloneNode.
-	if ( !jQuery.support.noCloneEvent && dest[ jQuery.expando ] ) {
-		data = jQuery._data( dest );
-
-		for ( e in data.events ) {
-			jQuery.removeEvent( dest, e, data.handle );
-		}
-
-		// Event data gets referenced instead of copied if the expando gets copied too
-		dest.removeAttribute( jQuery.expando );
-	}
-
-	// IE blanks contents when cloning scripts, and tries to evaluate newly-set text
-	if ( nodeName === "script" && dest.text !== src.text ) {
-		disableScript( dest ).text = src.text;
-		restoreScript( dest );
-
-	// IE6-10 improperly clones children of object elements using classid.
-	// IE10 throws NoModificationAllowedError if parent is null, #12132.
-	} else if ( nodeName === "object" ) {
-		if ( dest.parentNode ) {
-			dest.outerHTML = src.outerHTML;
-		}
-
-		// This path appears unavoidable for IE9. When cloning an object
-		// element in IE9, the outerHTML strategy above is not sufficient.
-		// If the src has innerHTML and the destination does not,
-		// copy the src.innerHTML into the dest.innerHTML. #10324
-		if ( jQuery.support.html5Clone && ( src.innerHTML && !jQuery.trim(dest.innerHTML) ) ) {
-			dest.innerHTML = src.innerHTML;
-		}
-
-	} else if ( nodeName === "input" && manipulation_rcheckableType.test( src.type ) ) {
-		// IE6-8 fails to persist the checked state of a cloned checkbox
-		// or radio button. Worse, IE6-7 fail to give the cloned element
-		// a checked appearance if the defaultChecked value isn't also set
-
-		dest.defaultChecked = dest.checked = src.checked;
-
-		// IE6-7 get confused and end up setting the value of a cloned
-		// checkbox/radio button to an empty string instead of "on"
-		if ( dest.value !== src.value ) {
-			dest.value = src.value;
-		}
-
-	// IE6-8 fails to return the selected option to the default selected
-	// state when cloning options
-	} else if ( nodeName === "option" ) {
-		dest.defaultSelected = dest.selected = src.defaultSelected;
-
-	// IE6-8 fails to set the defaultValue to the correct value when
-	// cloning other types of input fields
-	} else if ( nodeName === "input" || nodeName === "textarea" ) {
-		dest.defaultValue = src.defaultValue;
-	}
-}
-
-jQuery.each({
-	appendTo: "append",
-	prependTo: "prepend",
-	insertBefore: "before",
-	insertAfter: "after",
-	replaceAll: "replaceWith"
-}, function( name, original ) {
-	jQuery.fn[ name ] = function( selector ) {
-		var elems,
-			i = 0,
-			ret = [],
-			insert = jQuery( selector ),
-			last = insert.length - 1;
-
-		for ( ; i <= last; i++ ) {
-			elems = i === last ? this : this.clone(true);
-			jQuery( insert[i] )[ original ]( elems );
-
-			// Modern browsers can apply jQuery collections as arrays, but oldIE needs a .get()
-			core_push.apply( ret, elems.get() );
-		}
-
-		return this.pushStack( ret );
-	};
-});
-
-function getAll( context, tag ) {
-	var elems, elem,
-		i = 0,
-		found = typeof context.getElementsByTagName !== core_strundefined ? context.getElementsByTagName( tag || "*" ) :
-			typeof context.querySelectorAll !== core_strundefined ? context.querySelectorAll( tag || "*" ) :
-			undefined;
-
-	if ( !found ) {
-		for ( found = [], elems = context.childNodes || context; (elem = elems[i]) != null; i++ ) {
-			if ( !tag || jQuery.nodeName( elem, tag ) ) {
-				found.push( elem );
-			} else {
-				jQuery.merge( found, getAll( elem, tag ) );
-			}
-		}
-	}
-
-	return tag === undefined || tag && jQuery.nodeName( context, tag ) ?
-		jQuery.merge( [ context ], found ) :
-		found;
-}
-
-// Used in buildFragment, fixes the defaultChecked property
-function fixDefaultChecked( elem ) {
-	if ( manipulation_rcheckableType.test( elem.type ) ) {
-		elem.defaultChecked = elem.checked;
-	}
-}
-
-jQuery.extend({
-	clone: function( elem, dataAndEvents, deepDataAndEvents ) {
-		var destElements, node, clone, i, srcElements,
-			inPage = jQuery.contains( elem.ownerDocument, elem );
-
-		if ( jQuery.support.html5Clone || jQuery.isXMLDoc(elem) || !rnoshimcache.test( "<" + elem.nodeName + ">" ) ) {
-			clone = elem.cloneNode( true );
-
-		// IE<=8 does not properly clone detached, unknown element nodes
-		} else {
-			fragmentDiv.innerHTML = elem.outerHTML;
-			fragmentDiv.removeChild( clone = fragmentDiv.firstChild );
-		}
-
-		if ( (!jQuery.support.noCloneEvent || !jQuery.support.noCloneChecked) &&
-				(elem.nodeType === 1 || elem.nodeType === 11) && !jQuery.isXMLDoc(elem) ) {
-
-			// We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2
-			destElements = getAll( clone );
-			srcElements = getAll( elem );
-
-			// Fix all IE cloning issues
-			for ( i = 0; (node = srcElements[i]) != null; ++i ) {
-				// Ensure that the destination node is not null; Fixes #9587
-				if ( destElements[i] ) {
-					fixCloneNodeIssues( node, destElements[i] );
-				}
-			}
-		}
-
-		// Copy the events from the original to the clone
-		if ( dataAndEvents ) {
-			if ( deepDataAndEvents ) {
-				srcElements = srcElements || getAll( elem );
-				destElements = destElements || getAll( clone );
-
-				for ( i = 0; (node = srcElements[i]) != null; i++ ) {
-					cloneCopyEvent( node, destElements[i] );
-				}
-			} else {
-				cloneCopyEvent( elem, clone );
-			}
-		}
-
-		// Preserve script evaluation history
-		destElements = getAll( clone, "script" );
-		if ( destElements.length > 0 ) {
-			setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
-		}
-
-		destElements = srcElements = node = null;
-
-		// Return the cloned set
-		return clone;
-	},
-
-	buildFragment: function( elems, context, scripts, selection ) {
-		var j, elem, contains,
-			tmp, tag, tbody, wrap,
-			l = elems.length,
-
-			// Ensure a safe fragment
-			safe = createSafeFragment( context ),
-
-			nodes = [],
-			i = 0;
-
-		for ( ; i < l; i++ ) {
-			elem = elems[ i ];
-
-			if ( elem || elem === 0 ) {
-
-				// Add nodes directly
-				if ( jQuery.type( elem ) === "object" ) {
-					jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
-
-				// Convert non-html into a text node
-				} else if ( !rhtml.test( elem ) ) {
-					nodes.push( context.createTextNode( elem ) );
-
-				// Convert html into DOM nodes
-				} else {
-					tmp = tmp || safe.appendChild( context.createElement("div") );
-
-					// Deserialize a standard representation
-					tag = ( rtagName.exec( elem ) || ["", ""] )[1].toLowerCase();
-					wrap = wrapMap[ tag ] || wrapMap._default;
-
-					tmp.innerHTML = wrap[1] + elem.replace( rxhtmlTag, "<$1></$2>" ) + wrap[2];
-
-					// Descend through wrappers to the right content
-					j = wrap[0];
-					while ( j-- ) {
-						tmp = tmp.lastChild;
-					}
-
-					// Manually add leading whitespace removed by IE
-					if ( !jQuery.support.leadingWhitespace && rleadingWhitespace.test( elem ) ) {
-						nodes.push( context.createTextNode( rleadingWhitespace.exec( elem )[0] ) );
-					}
-
-					// Remove IE's autoinserted <tbody> from table fragments
-					if ( !jQuery.support.tbody ) {
-
-						// String was a <table>, *may* have spurious <tbody>
-						elem = tag === "table" && !rtbody.test( elem ) ?
-							tmp.firstChild :
-
-							// String was a bare <thead> or <tfoot>
-							wrap[1] === "<table>" && !rtbody.test( elem ) ?
-								tmp :
-								0;
-
-						j = elem && elem.childNodes.length;
-						while ( j-- ) {
-							if ( jQuery.nodeName( (tbody = elem.childNodes[j]), "tbody" ) && !tbody.childNodes.length ) {
-								elem.removeChild( tbody );
-							}
-						}
-					}
-
-					jQuery.merge( nodes, tmp.childNodes );
-
-					// Fix #12392 for WebKit and IE > 9
-					tmp.textContent = "";
-
-					// Fix #12392 for oldIE
-					while ( tmp.firstChild ) {
-						tmp.removeChild( tmp.firstChild );
-					}
-
-					// Remember the top-level container for proper cleanup
-					tmp = safe.lastChild;
-				}
-			}
-		}
-
-		// Fix #11356: Clear elements from fragment
-		if ( tmp ) {
-			safe.removeChild( tmp );
-		}
-
-		// Reset defaultChecked for any radios and checkboxes
-		// about to be appended to the DOM in IE 6/7 (#8060)
-		if ( !jQuery.support.appendChecked ) {
-			jQuery.grep( getAll( nodes, "input" ), fixDefaultChecked );
-		}
-
-		i = 0;
-		while ( (elem = nodes[ i++ ]) ) {
-
-			// #4087 - If origin and destination elements are the same, and this is
-			// that element, do not do anything
-			if ( selection && jQuery.inArray( elem, selection ) !== -1 ) {
-				continue;
-			}
-
-			contains = jQuery.contains( elem.ownerDocument, elem );
-
-			// Append to fragment
-			tmp = getAll( safe.appendChild( elem ), "script" );
-
-			// Preserve script evaluation history
-			if ( contains ) {
-				setGlobalEval( tmp );
-			}
-
-			// Capture executables
-			if ( scripts ) {
-				j = 0;
-				while ( (elem = tmp[ j++ ]) ) {
-					if ( rscriptType.test( elem.type || "" ) ) {
-						scripts.push( elem );
-					}
-				}
-			}
-		}
-
-		tmp = null;
-
-		return safe;
-	},
-
-	cleanData: function( elems, /* internal */ acceptData ) {
-		var elem, type, id, data,
-			i = 0,
-			internalKey = jQuery.expando,
-			cache = jQuery.cache,
-			deleteExpando = jQuery.support.deleteExpando,
-			special = jQuery.event.special;
-
-		for ( ; (elem = elems[i]) != null; i++ ) {
-
-			if ( acceptData || jQuery.acceptData( elem ) ) {
-
-				id = elem[ internalKey ];
-				data = id && cache[ id ];
-
-				if ( data ) {
-					if ( data.events ) {
-						for ( type in data.events ) {
-							if ( special[ type ] ) {
-								jQuery.event.remove( elem, type );
-
-							// This is a shortcut to avoid jQuery.event.remove's overhead
-							} else {
-								jQuery.removeEvent( elem, type, data.handle );
-							}
-						}
-					}
-
-					// Remove cache only if it was not already removed by jQuery.event.remove
-					if ( cache[ id ] ) {
-
-						delete cache[ id ];
-
-						// IE does not allow us to delete expando properties from nodes,
-						// nor does it have a removeAttribute function on Document nodes;
-						// we must handle all of these cases
-						if ( deleteExpando ) {
-							delete elem[ internalKey ];
-
-						} else if ( typeof elem.removeAttribute !== core_strundefined ) {
-							elem.removeAttribute( internalKey );
-
-						} else {
-							elem[ internalKey ] = null;
-						}
-
-						core_deletedIds.push( id );
-					}
-				}
-			}
-		}
-	},
-
-	_evalUrl: function( url ) {
-		return jQuery.ajax({
-			url: url,
-			type: "GET",
-			dataType: "script",
-			async: false,
-			global: false,
-			"throws": true
-		});
-	}
-});
-jQuery.fn.extend({
-	wrapAll: function( html ) {
-		if ( jQuery.isFunction( html ) ) {
-			return this.each(function(i) {
-				jQuery(this).wrapAll( html.call(this, i) );
-			});
-		}
-
-		if ( this[0] ) {
-			// The elements to wrap the target around
-			var wrap = jQuery( html, this[0].ownerDocument ).eq(0).clone(true);
-
-			if ( this[0].parentNode ) {
-				wrap.insertBefore( this[0] );
-			}
-
-			wrap.map(function() {
-				var elem = this;
-
-				while ( elem.firstChild && elem.firstChild.nodeType === 1 ) {
-					elem = elem.firstChild;
-				}
-
-				return elem;
-			}).append( this );
-		}
-
-		return this;
-	},
-
-	wrapInner: function( html ) {
-		if ( jQuery.isFunction( html ) ) {
-			return this.each(function(i) {
-				jQuery(this).wrapInner( html.call(this, i) );
-			});
-		}
-
-		return this.each(function() {
-			var self = jQuery( this ),
-				contents = self.contents();
-
-			if ( contents.length ) {
-				contents.wrapAll( html );
-
-			} else {
-				self.append( html );
-			}
-		});
-	},
-
-	wrap: function( html ) {
-		var isFunction = jQuery.isFunction( html );
-
-		return this.each(function(i) {
-			jQuery( this ).wrapAll( isFunction ? html.call(this, i) : html );
-		});
-	},
-
-	unwrap: function() {
-		return this.parent().each(function() {
-			if ( !jQuery.nodeName( this, "body" ) ) {
-				jQuery( this ).replaceWith( this.childNodes );
-			}
-		}).end();
-	}
-});
-var iframe, getStyles, curCSS,
-	ralpha = /alpha\([^)]*\)/i,
-	ropacity = /opacity\s*=\s*([^)]*)/,
-	rposition = /^(top|right|bottom|left)$/,
-	// swappable if display is none or starts with table except "table", "table-cell", or "table-caption"
-	// see here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
-	rdisplayswap = /^(none|table(?!-c[ea]).+)/,
-	rmargin = /^margin/,
-	rnumsplit = new RegExp( "^(" + core_pnum + ")(.*)$", "i" ),
-	rnumnonpx = new RegExp( "^(" + core_pnum + ")(?!px)[a-z%]+$", "i" ),
-	rrelNum = new RegExp( "^([+-])=(" + core_pnum + ")", "i" ),
-	elemdisplay = { BODY: "block" },
-
-	cssShow = { position: "absolute", visibility: "hidden", display: "block" },
-	cssNormalTransform = {
-		letterSpacing: 0,
-		fontWeight: 400
-	},
-
-	cssExpand = [ "Top", "Right", "Bottom", "Left" ],
-	cssPrefixes = [ "Webkit", "O", "Moz", "ms" ];
-
-// return a css property mapped to a potentially vendor prefixed property
-function vendorPropName( style, name ) {
-
-	// shortcut for names that are not vendor prefixed
-	if ( name in style ) {
-		return name;
-	}
-
-	// check for vendor prefixed names
-	var capName = name.charAt(0).toUpperCase() + name.slice(1),
-		origName = name,
-		i = cssPrefixes.length;
-
-	while ( i-- ) {
-		name = cssPrefixes[ i ] + capName;
-		if ( name in style ) {
-			return name;
-		}
-	}
-
-	return origName;
-}
-
-function isHidden( elem, el ) {
-	// isHidden might be called from jQuery#filter function;
-	// in that case, element will be second argument
-	elem = el || elem;
-	return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument, elem );
-}
-
-function showHide( elements, show ) {
-	var display, elem, hidden,
-		values = [],
-		index = 0,
-		length = elements.length;
-
-	for ( ; index < length; index++ ) {
-		elem = elements[ index ];
-		if ( !elem.style ) {
-			continue;
-		}
-
-		values[ index ] = jQuery._data( elem, "olddisplay" );
-		display = elem.style.display;
-		if ( show ) {
-			// Reset the inline display of this element to learn if it is
-			// being hidden by cascaded rules or not
-			if ( !values[ index ] && display === "none" ) {
-				elem.style.display = "";
-			}
-
-			// Set elements which have been overridden with display: none
-			// in a stylesheet to whatever the default browser style is
-			// for such an element
-			if ( elem.style.display === "" && isHidden( elem ) ) {
-				values[ index ] = jQuery._data( elem, "olddisplay", css_defaultDisplay(elem.nodeName) );
-			}
-		} else {
-
-			if ( !values[ index ] ) {
-				hidden = isHidden( elem );
-
-				if ( display && display !== "none" || !hidden ) {
-					jQuery._data( elem, "olddisplay", hidden ? display : jQuery.css( elem, "display" ) );
-				}
-			}
-		}
-	}
-
-	// Set the display of most of the elements in a second loop
-	// to avoid the constant reflow
-	for ( index = 0; index < length; index++ ) {
-		elem = elements[ index ];
-		if ( !elem.style ) {
-			continue;
-		}
-		if ( !show || elem.style.display === "none" || elem.style.display === "" ) {
-			elem.style.display = show ? values[ index ] || "" : "none";
-		}
-	}
-
-	return elements;
-}
-
-jQuery.fn.extend({
-	css: function( name, value ) {
-		return jQuery.access( this, function( elem, name, value ) {
-			var len, styles,
-				map = {},
-				i = 0;
-
-			if ( jQuery.isArray( name ) ) {
-				styles = getStyles( elem );
-				len = name.length;
-
-				for ( ; i < len; i++ ) {
-					map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
-				}
-
-				return map;
-			}
-
-			return value !== undefined ?
-				jQuery.style( elem, name, value ) :
-				jQuery.css( elem, name );
-		}, name, value, arguments.length > 1 );
-	},
-	show: function() {
-		return showHide( this, true );
-	},
-	hide: function() {
-		return showHide( this );
-	},
-	toggle: function( state ) {
-		if ( typeof state === "boolean" ) {
-			return state ? this.show() : this.hide();
-		}
-
-		return this.each(function() {
-			if ( isHidden( this ) ) {
-				jQuery( this ).show();
-			} else {
-				jQuery( this ).hide();
-			}
-		});
-	}
-});
-
-jQuery.extend({
-	// Add in style property hooks for overriding the default
-	// behavior of getting and setting a style property
-	cssHooks: {
-		opacity: {
-			get: function( elem, computed ) {
-				if ( computed ) {
-					// We should always get a number back from opacity
-					var ret = curCSS( elem, "opacity" );
-					return ret === "" ? "1" : ret;
-				}
-			}
-		}
-	},
-
-	// Don't automatically add "px" to these possibly-unitless properties
-	cssNumber: {
-		"columnCount": true,
-		"fillOpacity": true,
-		"fontWeight": true,
-		"lineHeight": true,
-		"opacity": true,
-		"order": true,
-		"orphans": true,
-		"widows": true,
-		"zIndex": true,
-		"zoom": true
-	},
-
-	// Add in properties whose names you wish to fix before
-	// setting or getting the value
-	cssProps: {
-		// normalize float css property
-		"float": jQuery.support.cssFloat ? "cssFloat" : "styleFloat"
-	},
-
-	// Get and set the style property on a DOM Node
-	style: function( elem, name, value, extra ) {
-		// Don't set styles on text and comment nodes
-		if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
-			return;
-		}
-
-		// Make sure that we're working with the right name
-		var ret, type, hooks,
-			origName = jQuery.camelCase( name ),
-			style = elem.style;
-
-		name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( style, origName ) );
-
-		// gets hook for the prefixed version
-		// followed by the unprefixed version
-		hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
-
-		// Check if we're setting a value
-		if ( value !== undefined ) {
-			type = typeof value;
-
-			// convert relative number strings (+= or -=) to relative numbers. #7345
-			if ( type === "string" && (ret = rrelNum.exec( value )) ) {
-				value = ( ret[1] + 1 ) * ret[2] + parseFloat( jQuery.css( elem, name ) );
-				// Fixes bug #9237
-				type = "number";
-			}
-
-			// Make sure that NaN and null values aren't set. See: #7116
-			if ( value == null || type === "number" && isNaN( value ) ) {
-				return;
-			}
-
-			// If a number was passed in, add 'px' to the (except for certain CSS properties)
-			if ( type === "number" && !jQuery.cssNumber[ origName ] ) {
-				value += "px";
-			}
-
-			// Fixes #8908, it can be done more correctly by specifing setters in cssHooks,
-			// but it would mean to define eight (for every problematic property) identical functions
-			if ( !jQuery.support.clearCloneStyle && value === "" && name.indexOf("background") === 0 ) {
-				style[ name ] = "inherit";
-			}
-
-			// If a hook was provided, use that value, otherwise just set the specified value
-			if ( !hooks || !("set" in hooks) || (value = hooks.set( elem, value, extra )) !== undefined ) {
-
-				// Wrapped to prevent IE from throwing errors when 'invalid' values are provided
-				// Fixes bug #5509
-				try {
-					style[ name ] = value;
-				} catch(e) {}
-			}
-
-		} else {
-			// If a hook was provided get the non-computed value from there
-			if ( hooks && "get" in hooks && (ret = hooks.get( elem, false, extra )) !== undefined ) {
-				return ret;
-			}
-
-			// Otherwise just get the value from the style object
-			return style[ name ];
-		}
-	},
-
-	css: function( elem, name, extra, styles ) {
-		var num, val, hooks,
-			origName = jQuery.camelCase( name );
-
-		// Make sure that we're working with the right name
-		name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( elem.style, origName ) );
-
-		// gets hook for the prefixed version
-		// followed by the unprefixed version
-		hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
-
-		// If a hook was provided get the computed value from there
-		if ( hooks && "get" in hooks ) {
-			val = hooks.get( elem, true, extra );
-		}
-
-		// Otherwise, if a way to get the computed value exists, use that
-		if ( val === undefined ) {
-			val = curCSS( elem, name, styles );
-		}
-
-		//convert "normal" to computed value
-		if ( val === "normal" && name in cssNormalTransform ) {
-			val = cssNormalTransform[ name ];
-		}
-
-		// Return, converting to number if forced or a qualifier was provided and val looks numeric
-		if ( extra === "" || extra ) {
-			num = parseFloat( val );
-			return extra === true || jQuery.isNumeric( num ) ? num || 0 : val;
-		}
-		return val;
-	}
-});
-
-// NOTE: we've included the "window" in window.getComputedStyle
-// because jsdom on node.js will break without it.
-if ( window.getComputedStyle ) {
-	getStyles = function( elem ) {
-		return window.getComputedStyle( elem, null );
-	};
-
-	curCSS = function( elem, name, _computed ) {
-		var width, minWidth, maxWidth,
-			computed = _computed || getStyles( elem ),
-
-			// getPropertyValue is only needed for .css('filter') in IE9, see #12537
-			ret = computed ? computed.getPropertyValue( name ) || computed[ name ] : undefined,
-			style = elem.style;
-
-		if ( computed ) {
-
-			if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) {
-				ret = jQuery.style( elem, name );
-			}
-
-			// A tribute to the "awesome hack by Dean Edwards"
-			// Chrome < 17 and Safari 5.0 uses "computed value" instead of "used value" for margin-right
-			// Safari 5.1.7 (at least) returns percentage for a larger set of values, but width seems to be reliably pixels
-			// this is against the CSSOM draft spec: http://dev.w3.org/csswg/cssom/#resolved-values
-			if ( rnumnonpx.test( ret ) && rmargin.test( name ) ) {
-
-				// Remember the original values
-				width = style.width;
-				minWidth = style.minWidth;
-				maxWidth = style.maxWidth;
-
-				// Put in the new values to get a computed value out
-				style.minWidth = style.maxWidth = style.width = ret;
-				ret = computed.width;
-
-				// Revert the changed values
-				style.width = width;
-				style.minWidth = minWidth;
-				style.maxWidth = maxWidth;
-			}
-		}
-
-		return ret;
-	};
-} else if ( document.documentElement.currentStyle ) {
-	getStyles = function( elem ) {
-		return elem.currentStyle;
-	};
-
-	curCSS = function( elem, name, _computed ) {
-		var left, rs, rsLeft,
-			computed = _computed || getStyles( elem ),
-			ret = computed ? computed[ name ] : undefined,
-			style = elem.style;
-
-		// Avoid setting ret to empty string here
-		// so we don't default to auto
-		if ( ret == null && style && style[ name ] ) {
-			ret = style[ name ];
-		}
-
-		// From the awesome hack by Dean Edwards
-		// http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
-
-		// If we're not dealing with a regular pixel number
-		// but a number that has a weird ending, we need to convert it to pixels
-		// but not position css attributes, as those are proportional to the parent element instead
-		// and we can't measure the parent instead because it might trigger a "stacking dolls" problem
-		if ( rnumnonpx.test( ret ) && !rposition.test( name ) ) {
-
-			// Remember the original values
-			left = style.left;
-			rs = elem.runtimeStyle;
-			rsLeft = rs && rs.left;
-
-			// Put in the new values to get a computed value out
-			if ( rsLeft ) {
-				rs.left = elem.currentStyle.left;
-			}
-			style.left = name === "fontSize" ? "1em" : ret;
-			ret = style.pixelLeft + "px";
-
-			// Revert the changed values
-			style.left = left;
-			if ( rsLeft ) {
-				rs.left = rsLeft;
-			}
-		}
-
-		return ret === "" ? "auto" : ret;
-	};
-}
-
-function setPositiveNumber( elem, value, subtract ) {
-	var matches = rnumsplit.exec( value );
-	return matches ?
-		// Guard against undefined "subtract", e.g., when used as in cssHooks
-		Math.max( 0, matches[ 1 ] - ( subtract || 0 ) ) + ( matches[ 2 ] || "px" ) :
-		value;
-}
-
-function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) {
-	var i = extra === ( isBorderBox ? "border" : "content" ) ?
-		// If we already have the right measurement, avoid augmentation
-		4 :
-		// Otherwise initialize for horizontal or vertical properties
-		name === "width" ? 1 : 0,
-
-		val = 0;
-
-	for ( ; i < 4; i += 2 ) {
-		// both box models exclude margin, so add it if we want it
-		if ( extra === "margin" ) {
-			val += jQuery.css( elem, extra + cssExpand[ i ], true, styles );
-		}
-
-		if ( isBorderBox ) {
-			// border-box includes padding, so remove it if we want content
-			if ( extra === "content" ) {
-				val -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
-			}
-
-			// at this point, extra isn't border nor margin, so remove border
-			if ( extra !== "margin" ) {
-				val -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
-			}
-		} else {
-			// at this point, extra isn't content, so add padding
-			val += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
-
-			// at this point, extra isn't content nor padding, so add border
-			if ( extra !== "padding" ) {
-				val += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
-			}
-		}
-	}
-
-	return val;
-}
-
-function getWidthOrHeight( elem, name, extra ) {
-
-	// Start with offset property, which is equivalent to the border-box value
-	var valueIsBorderBox = true,
-		val = name === "width" ? elem.offsetWidth : elem.offsetHeight,
-		styles = getStyles( elem ),
-		isBorderBox = jQuery.support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
-
-	// some non-html elements return undefined for offsetWidth, so check for null/undefined
-	// svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285
-	// MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668
-	if ( val <= 0 || val == null ) {
-		// Fall back to computed then uncomputed css if necessary
-		val = curCSS( elem, name, styles );
-		if ( val < 0 || val == null ) {
-			val = elem.style[ name ];
-		}
-
-		// Computed unit is not pixels. Stop here and return.
-		if ( rnumnonpx.test(val) ) {
-			return val;
-		}
-
-		// we need the check for style in case a browser which returns unreliable values
-		// for getComputedStyle silently falls back to the reliable elem.style
-		valueIsBorderBox = isBorderBox && ( jQuery.support.boxSizingReliable || val === elem.style[ name ] );
-
-		// Normalize "", auto, and prepare for extra
-		val = parseFloat( val ) || 0;
-	}
-
-	// use the active box-sizing model to add/subtract irrelevant styles
-	return ( val +
-		augmentWidthOrHeight(
-			elem,
-			name,
-			extra || ( isBorderBox ? "border" : "content" ),
-			valueIsBorderBox,
-			styles
-		)
-	) + "px";
-}
-
-// Try to determine the default display value of an element
-function css_defaultDisplay( nodeName ) {
-	var doc = document,
-		display = elemdisplay[ nodeName ];
-
-	if ( !display ) {
-		display = actualDisplay( nodeName, doc );
-
-		// If the simple way fails, read from inside an iframe
-		if ( display === "none" || !display ) {
-			// Use the already-created iframe if possible
-			iframe = ( iframe ||
-				jQuery("<iframe frameborder='0' width='0' height='0'/>")
-				.css( "cssText", "display:block !important" )
-			).appendTo( doc.documentElement );
-
-			// Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse
-			doc = ( iframe[0].contentWindow || iframe[0].contentDocument ).document;
-			doc.write("<!doctype html><html><body>");
-			doc.close();
-
-			display = actualDisplay( nodeName, doc );
-			iframe.detach();
-		}
-
-		// Store the correct default display
-		elemdisplay[ nodeName ] = display;
-	}
-
-	return display;
-}
-
-// Called ONLY from within css_defaultDisplay
-function actualDisplay( name, doc ) {
-	var elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ),
-		display = jQuery.css( elem[0], "display" );
-	elem.remove();
-	return display;
-}
-
-jQuery.each([ "height", "width" ], function( i, name ) {
-	jQuery.cssHooks[ name ] = {
-		get: function( elem, computed, extra ) {
-			if ( computed ) {
-				// certain elements can have dimension info if we invisibly show them
-				// however, it must have a current display style that would benefit from this
-				return elem.offsetWidth === 0 && rdisplayswap.test( jQuery.css( elem, "display" ) ) ?
-					jQuery.swap( elem, cssShow, function() {
-						return getWidthOrHeight( elem, name, extra );
-					}) :
-					getWidthOrHeight( elem, name, extra );
-			}
-		},
-
-		set: function( elem, value, extra ) {
-			var styles = extra && getStyles( elem );
-			return setPositiveNumber( elem, value, extra ?
-				augmentWidthOrHeight(
-					elem,
-					name,
-					extra,
-					jQuery.support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
-					styles
-				) : 0
-			);
-		}
-	};
-});
-
-if ( !jQuery.support.opacity ) {
-	jQuery.cssHooks.opacity = {
-		get: function( elem, computed ) {
-			// IE uses filters for opacity
-			return ropacity.test( (computed && elem.currentStyle ? elem.currentStyle.filter : elem.style.filter) || "" ) ?
-				( 0.01 * parseFloat( RegExp.$1 ) ) + "" :
-				computed ? "1" : "";
-		},
-
-		set: function( elem, value ) {
-			var style = elem.style,
-				currentStyle = elem.currentStyle,
-				opacity = jQuery.isNumeric( value ) ? "alpha(opacity=" + value * 100 + ")" : "",
-				filter = currentStyle && currentStyle.filter || style.filter || "";
-
-			// IE has trouble with opacity if it does not have layout
-			// Force it by setting the zoom level
-			style.zoom = 1;
-
-			// if setting opacity to 1, and no other filters exist - attempt to remove filter attribute #6652
-			// if value === "", then remove inline opacity #12685
-			if ( ( value >= 1 || value === "" ) &&
-					jQuery.trim( filter.replace( ralpha, "" ) ) === "" &&
-					style.removeAttribute ) {
-
-				// Setting style.filter to null, "" & " " still leave "filter:" in the cssText
-				// if "filter:" is present at all, clearType is disabled, we want to avoid this
-				// style.removeAttribute is IE Only, but so apparently is this code path...
-				style.removeAttribute( "filter" );
-
-				// if there is no filter style applied in a css rule or unset inline opacity, we are done
-				if ( value === "" || currentStyle && !currentStyle.filter ) {
-					return;
-				}
-			}
-
-			// otherwise, set new filter values
-			style.filter = ralpha.test( filter ) ?
-				filter.replace( ralpha, opacity ) :
-				filter + " " + opacity;
-		}
-	};
-}
-
-// These hooks cannot be added until DOM ready because the support test
-// for it is not run until after DOM ready
-jQuery(function() {
-	if ( !jQuery.support.reliableMarginRight ) {
-		jQuery.cssHooks.marginRight = {
-			get: function( elem, computed ) {
-				if ( computed ) {
-					// WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
-					// Work around by temporarily setting element display to inline-block
-					return jQuery.swap( elem, { "display": "inline-block" },
-						curCSS, [ elem, "marginRight" ] );
-				}
-			}
-		};
-	}
-
-	// Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
-	// getComputedStyle returns percent when specified for top/left/bottom/right
-	// rather than make the css module depend on the offset module, we just check for it here
-	if ( !jQuery.support.pixelPosition && jQuery.fn.position ) {
-		jQuery.each( [ "top", "left" ], function( i, prop ) {
-			jQuery.cssHooks[ prop ] = {
-				get: function( elem, computed ) {
-					if ( computed ) {
-						computed = curCSS( elem, prop );
-						// if curCSS returns percentage, fallback to offset
-						return rnumnonpx.test( computed ) ?
-							jQuery( elem ).position()[ prop ] + "px" :
-							computed;
-					}
-				}
-			};
-		});
-	}
-
-});
-
-if ( jQuery.expr && jQuery.expr.filters ) {
-	jQuery.expr.filters.hidden = function( elem ) {
-		// Support: Opera <= 12.12
-		// Opera reports offsetWidths and offsetHeights less than zero on some elements
-		return elem.offsetWidth <= 0 && elem.offsetHeight <= 0 ||
-			(!jQuery.support.reliableHiddenOffsets && ((elem.style && elem.style.display) || jQuery.css( elem, "display" )) === "none");
-	};
-
-	jQuery.expr.filters.visible = function( elem ) {
-		return !jQuery.expr.filters.hidden( elem );
-	};
-}
-
-// These hooks are used by animate to expand properties
-jQuery.each({
-	margin: "",
-	padding: "",
-	border: "Width"
-}, function( prefix, suffix ) {
-	jQuery.cssHooks[ prefix + suffix ] = {
-		expand: function( value ) {
-			var i = 0,
-				expanded = {},
-
-				// assumes a single number if not a string
-				parts = typeof value === "string" ? value.split(" ") : [ value ];
-
-			for ( ; i < 4; i++ ) {
-				expanded[ prefix + cssExpand[ i ] + suffix ] =
-					parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
-			}
-
-			return expanded;
-		}
-	};
-
-	if ( !rmargin.test( prefix ) ) {
-		jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
-	}
-});
-var r20 = /%20/g,
-	rbracket = /\[\]$/,
-	rCRLF = /\r?\n/g,
-	rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
-	rsubmittable = /^(?:input|select|textarea|keygen)/i;
-
-jQuery.fn.extend({
-	serialize: function() {
-		return jQuery.param( this.serializeArray() );
-	},
-	serializeArray: function() {
-		return this.map(function(){
-			// Can add propHook for "elements" to filter or add form elements
-			var elements = jQuery.prop( this, "elements" );
-			return elements ? jQuery.makeArray( elements ) : this;
-		})
-		.filter(function(){
-			var type = this.type;
-			// Use .is(":disabled") so that fieldset[disabled] works
-			return this.name && !jQuery( this ).is( ":disabled" ) &&
-				rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
-				( this.checked || !manipulation_rcheckableType.test( type ) );
-		})
-		.map(function( i, elem ){
-			var val = jQuery( this ).val();
-
-			return val == null ?
-				null :
-				jQuery.isArray( val ) ?
-					jQuery.map( val, function( val ){
-						return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
-					}) :
-					{ name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
-		}).get();
-	}
-});
-
-//Serialize an array of form elements or a set of
-//key/values into a query string
-jQuery.param = function( a, traditional ) {
-	var prefix,
-		s = [],
-		add = function( key, value ) {
-			// If value is a function, invoke it and return its value
-			value = jQuery.isFunction( value ) ? value() : ( value == null ? "" : value );
-			s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value );
-		};
-
-	// Set traditional to true for jQuery <= 1.3.2 behavior.
-	if ( traditional === undefined ) {
-		traditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional;
-	}
-
-	// If an array was passed in, assume that it is an array of form elements.
-	if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
-		// Serialize the form elements
-		jQuery.each( a, function() {
-			add( this.name, this.value );
-		});
-
-	} else {
-		// If traditional, encode the "old" way (the way 1.3.2 or older
-		// did it), otherwise encode params recursively.
-		for ( prefix in a ) {
-			buildParams( prefix, a[ prefix ], traditional, add );
-		}
-	}
-
-	// Return the resulting serialization
-	return s.join( "&" ).replace( r20, "+" );
-};
-
-function buildParams( prefix, obj, traditional, add ) {
-	var name;
-
-	if ( jQuery.isArray( obj ) ) {
-		// Serialize array item.
-		jQuery.each( obj, function( i, v ) {
-			if ( traditional || rbracket.test( prefix ) ) {
-				// Treat each array item as a scalar.
-				add( prefix, v );
-
-			} else {
-				// Item is non-scalar (array or object), encode its numeric index.
-				buildParams( prefix + "[" + ( typeof v === "object" ? i : "" ) + "]", v, traditional, add );
-			}
-		});
-
-	} else if ( !traditional && jQuery.type( obj ) === "object" ) {
-		// Serialize object item.
-		for ( name in obj ) {
-			buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
-		}
-
-	} else {
-		// Serialize scalar item.
-		add( prefix, obj );
-	}
-}
-jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblclick " +
-	"mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
-	"change select submit keydown keypress keyup error contextmenu").split(" "), function( i, name ) {
-
-	// Handle event binding
-	jQuery.fn[ name ] = function( data, fn ) {
-		return arguments.length > 0 ?
-			this.on( name, null, data, fn ) :
-			this.trigger( name );
-	};
-});
-
-jQuery.fn.extend({
-	hover: function( fnOver, fnOut ) {
-		return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
-	},
-
-	bind: function( types, data, fn ) {
-		return this.on( types, null, data, fn );
-	},
-	unbind: function( types, fn ) {
-		return this.off( types, null, fn );
-	},
-
-	delegate: function( selector, types, data, fn ) {
-		return this.on( types, selector, data, fn );
-	},
-	undelegate: function( selector, types, fn ) {
-		// ( namespace ) or ( selector, types [, fn] )
-		return arguments.length === 1 ? this.off( selector, "**" ) : this.off( types, selector || "**", fn );
-	}
-});
-var
-	// Document location
-	ajaxLocParts,
-	ajaxLocation,
-	ajax_nonce = jQuery.now(),
-
-	ajax_rquery = /\?/,
-	rhash = /#.*$/,
-	rts = /([?&])_=[^&]*/,
-	rheaders = /^(.*?):[ \t]*([^\r\n]*)\r?$/mg, // IE leaves an \r character at EOL
-	// #7653, #8125, #8152: local protocol detection
-	rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
-	rnoContent = /^(?:GET|HEAD)$/,
-	rprotocol = /^\/\//,
-	rurl = /^([\w.+-]+:)(?:\/\/([^\/?#:]*)(?::(\d+)|)|)/,
-
-	// Keep a copy of the old load method
-	_load = jQuery.fn.load,
-
-	/* Prefilters
-	 * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
-	 * 2) These are called:
-	 *    - BEFORE asking for a transport
-	 *    - AFTER param serialization (s.data is a string if s.processData is true)
-	 * 3) key is the dataType
-	 * 4) the catchall symbol "*" can be used
-	 * 5) execution will start with transport dataType and THEN continue down to "*" if needed
-	 */
-	prefilters = {},
-
-	/* Transports bindings
-	 * 1) key is the dataType
-	 * 2) the catchall symbol "*" can be used
-	 * 3) selection will start with transport dataType and THEN go to "*" if needed
-	 */
-	transports = {},
-
-	// Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
-	allTypes = "*/".concat("*");
-
-// #8138, IE may throw an exception when accessing
-// a field from window.location if document.domain has been set
-try {
-	ajaxLocation = location.href;
-} catch( e ) {
-	// Use the href attribute of an A element
-	// since IE will modify it given document.location
-	ajaxLocation = document.createElement( "a" );
-	ajaxLocation.href = "";
-	ajaxLocation = ajaxLocation.href;
-}
-
-// Segment location into parts
-ajaxLocParts = rurl.exec( ajaxLocation.toLowerCase() ) || [];
-
-// Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
-function addToPrefiltersOrTransports( structure ) {
-
-	// dataTypeExpression is optional and defaults to "*"
-	return function( dataTypeExpression, func ) {
-
-		if ( typeof dataTypeExpression !== "string" ) {
-			func = dataTypeExpression;
-			dataTypeExpression = "*";
-		}
-
-		var dataType,
-			i = 0,
-			dataTypes = dataTypeExpression.toLowerCase().match( core_rnotwhite ) || [];
-
-		if ( jQuery.isFunction( func ) ) {
-			// For each dataType in the dataTypeExpression
-			while ( (dataType = dataTypes[i++]) ) {
-				// Prepend if requested
-				if ( dataType[0] === "+" ) {
-					dataType = dataType.slice( 1 ) || "*";
-					(structure[ dataType ] = structure[ dataType ] || []).unshift( func );
-
-				// Otherwise append
-				} else {
-					(structure[ dataType ] = structure[ dataType ] || []).push( func );
-				}
-			}
-		}
-	};
-}
-
-// Base inspection function for prefilters and transports
-function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
-
-	var inspected = {},
-		seekingTransport = ( structure === transports );
-
-	function inspect( dataType ) {
-		var selected;
-		inspected[ dataType ] = true;
-		jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
-			var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
-			if( typeof dataTypeOrTransport === "string" && !seekingTransport && !inspected[ dataTypeOrTransport ] ) {
-				options.dataTypes.unshift( dataTypeOrTransport );
-				inspect( dataTypeOrTransport );
-				return false;
-			} else if ( seekingTransport ) {
-				return !( selected = dataTypeOrTransport );
-			}
-		});
-		return selected;
-	}
-
-	return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
-}
-
-// A special extend for ajax options
-// that takes "flat" options (not to be deep extended)
-// Fixes #9887
-function ajaxExtend( target, src ) {
-	var deep, key,
-		flatOptions = jQuery.ajaxSettings.flatOptions || {};
-
-	for ( key in src ) {
-		if ( src[ key ] !== undefined ) {
-			( flatOptions[ key ] ? target : ( deep || (deep = {}) ) )[ key ] = src[ key ];
-		}
-	}
-	if ( deep ) {
-		jQuery.extend( true, target, deep );
-	}
-
-	return target;
-}
-
-jQuery.fn.load = function( url, params, callback ) {
-	if ( typeof url !== "string" && _load ) {
-		return _load.apply( this, arguments );
-	}
-
-	var selector, response, type,
-		self = this,
-		off = url.indexOf(" ");
-
-	if ( off >= 0 ) {
-		selector = url.slice( off, url.length );
-		url = url.slice( 0, off );
-	}
-
-	// If it's a function
-	if ( jQuery.isFunction( params ) ) {
-
-		// We assume that it's the callback
-		callback = params;
-		params = undefined;
-
-	// Otherwise, build a param string
-	} else if ( params && typeof params === "object" ) {
-		type = "POST";
-	}
-
-	// If we have elements to modify, make the request
-	if ( self.length > 0 ) {
-		jQuery.ajax({
-			url: url,
-
-			// if "type" variable is undefined, then "GET" method will be used
-			type: type,
-			dataType: "html",
-			data: params
-		}).done(function( responseText ) {
-
-			// Save response for use in complete callback
-			response = arguments;
-
-			self.html( selector ?
-
-				// If a selector was specified, locate the right elements in a dummy div
-				// Exclude scripts to avoid IE 'Permission Denied' errors
-				jQuery("<div>").append( jQuery.parseHTML( responseText ) ).find( selector ) :
-
-				// Otherwise use the full result
-				responseText );
-
-		}).complete( callback && function( jqXHR, status ) {
-			self.each( callback, response || [ jqXHR.responseText, status, jqXHR ] );
-		});
-	}
-
-	return this;
-};
-
-// Attach a bunch of functions for handling common AJAX events
-jQuery.each( [ "ajaxStart", "ajaxStop", "ajaxComplete", "ajaxError", "ajaxSuccess", "ajaxSend" ], function( i, type ){
-	jQuery.fn[ type ] = function( fn ){
-		return this.on( type, fn );
-	};
-});
-
-jQuery.extend({
-
-	// Counter for holding the number of active queries
-	active: 0,
-
-	// Last-Modified header cache for next request
-	lastModified: {},
-	etag: {},
-
-	ajaxSettings: {
-		url: ajaxLocation,
-		type: "GET",
-		isLocal: rlocalProtocol.test( ajaxLocParts[ 1 ] ),
-		global: true,
-		processData: true,
-		async: true,
-		contentType: "application/x-www-form-urlencoded; charset=UTF-8",
-		/*
-		timeout: 0,
-		data: null,
-		dataType: null,
-		username: null,
-		password: null,
-		cache: null,
-		throws: false,
-		traditional: false,
-		headers: {},
-		*/
-
-		accepts: {
-			"*": allTypes,
-			text: "text/plain",
-			html: "text/html",
-			xml: "application/xml, text/xml",
-			json: "application/json, text/javascript"
-		},
-
-		contents: {
-			xml: /xml/,
-			html: /html/,
-			json: /json/
-		},
-
-		responseFields: {
-			xml: "responseXML",
-			text: "responseText",
-			json: "responseJSON"
-		},
-
-		// Data converters
-		// Keys separate source (or catchall "*") and destination types with a single space
-		converters: {
-
-			// Convert anything to text
-			"* text": String,
-
-			// Text to html (true = no transformation)
-			"text html": true,
-
-			// Evaluate text as a json expression
-			"text json": jQuery.parseJSON,
-
-			// Parse text as xml
-			"text xml": jQuery.parseXML
-		},
-
-		// For options that shouldn't be deep extended:
-		// you can add your own custom options here if
-		// and when you create one that shouldn't be
-		// deep extended (see ajaxExtend)
-		flatOptions: {
-			url: true,
-			context: true
-		}
-	},
-
-	// Creates a full fledged settings object into target
-	// with both ajaxSettings and settings fields.
-	// If target is omitted, writes into ajaxSettings.
-	ajaxSetup: function( target, settings ) {
-		return settings ?
-
-			// Building a settings object
-			ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
-
-			// Extending ajaxSettings
-			ajaxExtend( jQuery.ajaxSettings, target );
-	},
-
-	ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
-	ajaxTransport: addToPrefiltersOrTransports( transports ),
-
-	// Main method
-	ajax: function( url, options ) {
-
-		// If url is an object, simulate pre-1.5 signature
-		if ( typeof url === "object" ) {
-			options = url;
-			url = undefined;
-		}
-
-		// Force options to be an object
-		options = options || {};
-
-		var // Cross-domain detection vars
-			parts,
-			// Loop variable
-			i,
-			// URL without anti-cache param
-			cacheURL,
-			// Response headers as string
-			responseHeadersString,
-			// timeout handle
-			timeoutTimer,
-
-			// To know if global events are to be dispatched
-			fireGlobals,
-
-			transport,
-			// Response headers
-			responseHeaders,
-			// Create the final options object
-			s = jQuery.ajaxSetup( {}, options ),
-			// Callbacks context
-			callbackContext = s.context || s,
-			// Context for global events is callbackContext if it is a DOM node or jQuery collection
-			globalEventContext = s.context && ( callbackContext.nodeType || callbackContext.jquery ) ?
-				jQuery( callbackContext ) :
-				jQuery.event,
-			// Deferreds
-			deferred = jQuery.Deferred(),
-			completeDeferred = jQuery.Callbacks("once memory"),
-			// Status-dependent callbacks
-			statusCode = s.statusCode || {},
-			// Headers (they are sent all at once)
-			requestHeaders = {},
-			requestHeadersNames = {},
-			// The jqXHR state
-			state = 0,
-			// Default abort message
-			strAbort = "canceled",
-			// Fake xhr
-			jqXHR = {
-				readyState: 0,
-
-				// Builds headers hashtable if needed
-				getResponseHeader: function( key ) {
-					var match;
-					if ( state === 2 ) {
-						if ( !responseHeaders ) {
-							responseHeaders = {};
-							while ( (match = rheaders.exec( responseHeadersString )) ) {
-								responseHeaders[ match[1].toLowerCase() ] = match[ 2 ];
-							}
-						}
-						match = responseHeaders[ key.toLowerCase() ];
-					}
-					return match == null ? null : match;
-				},
-
-				// Raw string
-				getAllResponseHeaders: function() {
-					return state === 2 ? responseHeadersString : null;
-				},
-
-				// Caches the header
-				setRequestHeader: function( name, value ) {
-					var lname = name.toLowerCase();
-					if ( !state ) {
-						name = requestHeadersNames[ lname ] = requestHeadersNames[ lname ] || name;
-						requestHeaders[ name ] = value;
-					}
-					return this;
-				},
-
-				// Overrides response content-type header
-				overrideMimeType: function( type ) {
-					if ( !state ) {
-						s.mimeType = type;
-					}
-					return this;
-				},
-
-				// Status-dependent callbacks
-				statusCode: function( map ) {
-					var code;
-					if ( map ) {
-						if ( state < 2 ) {
-							for ( code in map ) {
-								// Lazy-add the new callback in a way that preserves old ones
-								statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
-							}
-						} else {
-							// Execute the appropriate callbacks
-							jqXHR.always( map[ jqXHR.status ] );
-						}
-					}
-					return this;
-				},
-
-				// Cancel the request
-				abort: function( statusText ) {
-					var finalText = statusText || strAbort;
-					if ( transport ) {
-						transport.abort( finalText );
-					}
-					done( 0, finalText );
-					return this;
-				}
-			};
-
-		// Attach deferreds
-		deferred.promise( jqXHR ).complete = completeDeferred.add;
-		jqXHR.success = jqXHR.done;
-		jqXHR.error = jqXHR.fail;
-
-		// Remove hash character (#7531: and string promotion)
-		// Add protocol if not provided (#5866: IE7 issue with protocol-less urls)
-		// Handle falsy url in the settings object (#10093: consistency with old signature)
-		// We also use the url parameter if available
-		s.url = ( ( url || s.url || ajaxLocation ) + "" ).replace( rhash, "" ).replace( rprotocol, ajaxLocParts[ 1 ] + "//" );
-
-		// Alias method option to type as per ticket #12004
-		s.type = options.method || options.type || s.method || s.type;
-
-		// Extract dataTypes list
-		s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().match( core_rnotwhite ) || [""];
-
-		// A cross-domain request is in order when we have a protocol:host:port mismatch
-		if ( s.crossDomain == null ) {
-			parts = rurl.exec( s.url.toLowerCase() );
-			s.crossDomain = !!( parts &&
-				( parts[ 1 ] !== ajaxLocParts[ 1 ] || parts[ 2 ] !== ajaxLocParts[ 2 ] ||
-					( parts[ 3 ] || ( parts[ 1 ] === "http:" ? "80" : "443" ) ) !==
-						( ajaxLocParts[ 3 ] || ( ajaxLocParts[ 1 ] === "http:" ? "80" : "443" ) ) )
-			);
-		}
-
-		// Convert data if not already a string
-		if ( s.data && s.processData && typeof s.data !== "string" ) {
-			s.data = jQuery.param( s.data, s.traditional );
-		}
-
-		// Apply prefilters
-		inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
-
-		// If request was aborted inside a prefilter, stop there
-		if ( state === 2 ) {
-			return jqXHR;
-		}
-
-		// We can fire global events as of now if asked to
-		fireGlobals = s.global;
-
-		// Watch for a new set of requests
-		if ( fireGlobals && jQuery.active++ === 0 ) {
-			jQuery.event.trigger("ajaxStart");
-		}
-
-		// Uppercase the type
-		s.type = s.type.toUpperCase();
-
-		// Determine if request has content
-		s.hasContent = !rnoContent.test( s.type );
-
-		// Save the URL in case we're toying with the If-Modified-Since
-		// and/or If-None-Match header later on
-		cacheURL = s.url;
-
-		// More options handling for requests with no content
-		if ( !s.hasContent ) {
-
-			// If data is available, append data to url
-			if ( s.data ) {
-				cacheURL = ( s.url += ( ajax_rquery.test( cacheURL ) ? "&" : "?" ) + s.data );
-				// #9682: remove data so that it's not used in an eventual retry
-				delete s.data;
-			}
-
-			// Add anti-cache in url if needed
-			if ( s.cache === false ) {
-				s.url = rts.test( cacheURL ) ?
-
-					// If there is already a '_' parameter, set its value
-					cacheURL.replace( rts, "$1_=" + ajax_nonce++ ) :
-
-					// Otherwise add one to the end
-					cacheURL + ( ajax_rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ajax_nonce++;
-			}
-		}
-
-		// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
-		if ( s.ifModified ) {
-			if ( jQuery.lastModified[ cacheURL ] ) {
-				jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
-			}
-			if ( jQuery.etag[ cacheURL ] ) {
-				jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
-			}
-		}
-
-		// Set the correct header, if data is being sent
-		if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
-			jqXHR.setRequestHeader( "Content-Type", s.contentType );
-		}
-
-		// Set the Accepts header for the server, depending on the dataType
-		jqXHR.setRequestHeader(
-			"Accept",
-			s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[0] ] ?
-				s.accepts[ s.dataTypes[0] ] + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
-				s.accepts[ "*" ]
-		);
-
-		// Check for headers option
-		for ( i in s.headers ) {
-			jqXHR.setRequestHeader( i, s.headers[ i ] );
-		}
-
-		// Allow custom headers/mimetypes and early abort
-		if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) {
-			// Abort if not done already and return
-			return jqXHR.abort();
-		}
-
-		// aborting is no longer a cancellation
-		strAbort = "abort";
-
-		// Install callbacks on deferreds
-		for ( i in { success: 1, error: 1, complete: 1 } ) {
-			jqXHR[ i ]( s[ i ] );
-		}
-
-		// Get transport
-		transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
-
-		// If no transport, we auto-abort
-		if ( !transport ) {
-			done( -1, "No Transport" );
-		} else {
-			jqXHR.readyState = 1;
-
-			// Send global event
-			if ( fireGlobals ) {
-				globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
-			}
-			// Timeout
-			if ( s.async && s.timeout > 0 ) {
-				timeoutTimer = setTimeout(function() {
-					jqXHR.abort("timeout");
-				}, s.timeout );
-			}
-
-			try {
-				state = 1;
-				transport.send( requestHeaders, done );
-			} catch ( e ) {
-				// Propagate exception as error if not done
-				if ( state < 2 ) {
-					done( -1, e );
-				// Simply rethrow otherwise
-				} else {
-					throw e;
-				}
-			}
-		}
-
-		// Callback for when everything is done
-		function done( status, nativeStatusText, responses, headers ) {
-			var isSuccess, success, error, response, modified,
-				statusText = nativeStatusText;
-
-			// Called once
-			if ( state === 2 ) {
-				return;
-			}
-
-			// State is "done" now
-			state = 2;
-
-			// Clear timeout if it exists
-			if ( timeoutTimer ) {
-				clearTimeout( timeoutTimer );
-			}
-
-			// Dereference transport for early garbage collection
-			// (no matter how long the jqXHR object will be used)
-			transport = undefined;
-
-			// Cache response headers
-			responseHeadersString = headers || "";
-
-			// Set readyState
-			jqXHR.readyState = status > 0 ? 4 : 0;
-
-			// Determine if successful
-			isSuccess = status >= 200 && status < 300 || status === 304;
-
-			// Get response data
-			if ( responses ) {
-				response = ajaxHandleResponses( s, jqXHR, responses );
-			}
-
-			// Convert no matter what (that way responseXXX fields are always set)
-			response = ajaxConvert( s, response, jqXHR, isSuccess );
-
-			// If successful, handle type chaining
-			if ( isSuccess ) {
-
-				// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
-				if ( s.ifModified ) {
-					modified = jqXHR.getResponseHeader("Last-Modified");
-					if ( modified ) {
-						jQuery.lastModified[ cacheURL ] = modified;
-					}
-					modified = jqXHR.getResponseHeader("etag");
-					if ( modified ) {
-						jQuery.etag[ cacheURL ] = modified;
-					}
-				}
-
-				// if no content
-				if ( status === 204 || s.type === "HEAD" ) {
-					statusText = "nocontent";
-
-				// if not modified
-				} else if ( status === 304 ) {
-					statusText = "notmodified";
-
-				// If we have data, let's convert it
-				} else {
-					statusText = response.state;
-					success = response.data;
-					error = response.error;
-					isSuccess = !error;
-				}
-			} else {
-				// We extract error from statusText
-				// then normalize statusText and status for non-aborts
-				error = statusText;
-				if ( status || !statusText ) {
-					statusText = "error";
-					if ( status < 0 ) {
-						status = 0;
-					}
-				}
-			}
-
-			// Set data for the fake xhr object
-			jqXHR.status = status;
-			jqXHR.statusText = ( nativeStatusText || statusText ) + "";
-
-			// Success/Error
-			if ( isSuccess ) {
-				deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
-			} else {
-				deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
-			}
-
-			// Status-dependent callbacks
-			jqXHR.statusCode( statusCode );
-			statusCode = undefined;
-
-			if ( fireGlobals ) {
-				globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
-					[ jqXHR, s, isSuccess ? success : error ] );
-			}
-
-			// Complete
-			completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
-
-			if ( fireGlobals ) {
-				globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
-				// Handle the global AJAX counter
-				if ( !( --jQuery.active ) ) {
-					jQuery.event.trigger("ajaxStop");
-				}
-			}
-		}
-
-		return jqXHR;
-	},
-
-	getJSON: function( url, data, callback ) {
-		return jQuery.get( url, data, callback, "json" );
-	},
-
-	getScript: function( url, callback ) {
-		return jQuery.get( url, undefined, callback, "script" );
-	}
-});
-
-jQuery.each( [ "get", "post" ], function( i, method ) {
-	jQuery[ method ] = function( url, data, callback, type ) {
-		// shift arguments if data argument was omitted
-		if ( jQuery.isFunction( data ) ) {
-			type = type || callback;
-			callback = data;
-			data = undefined;
-		}
-
-		return jQuery.ajax({
-			url: url,
-			type: method,
-			dataType: type,
-			data: data,
-			success: callback
-		});
-	};
-});
-
-/* Handles responses to an ajax request:
- * - finds the right dataType (mediates between content-type and expected dataType)
- * - returns the corresponding response
- */
-function ajaxHandleResponses( s, jqXHR, responses ) {
-	var firstDataType, ct, finalDataType, type,
-		contents = s.contents,
-		dataTypes = s.dataTypes;
-
-	// Remove auto dataType and get content-type in the process
-	while( dataTypes[ 0 ] === "*" ) {
-		dataTypes.shift();
-		if ( ct === undefined ) {
-			ct = s.mimeType || jqXHR.getResponseHeader("Content-Type");
-		}
-	}
-
-	// Check if we're dealing with a known content-type
-	if ( ct ) {
-		for ( type in contents ) {
-			if ( contents[ type ] && contents[ type ].test( ct ) ) {
-				dataTypes.unshift( type );
-				break;
-			}
-		}
-	}
-
-	// Check to see if we have a response for the expected dataType
-	if ( dataTypes[ 0 ] in responses ) {
-		finalDataType = dataTypes[ 0 ];
-	} else {
-		// Try convertible dataTypes
-		for ( type in responses ) {
-			if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[0] ] ) {
-				finalDataType = type;
-				break;
-			}
-			if ( !firstDataType ) {
-				firstDataType = type;
-			}
-		}
-		// Or just use first one
-		finalDataType = finalDataType || firstDataType;
-	}
-
-	// If we found a dataType
-	// We add the dataType to the list if needed
-	// and return the corresponding response
-	if ( finalDataType ) {
-		if ( finalDataType !== dataTypes[ 0 ] ) {
-			dataTypes.unshift( finalDataType );
-		}
-		return responses[ finalDataType ];
-	}
-}
-
-/* Chain conversions given the request and the original response
- * Also sets the responseXXX fields on the jqXHR instance
- */
-function ajaxConvert( s, response, jqXHR, isSuccess ) {
-	var conv2, current, conv, tmp, prev,
-		converters = {},
-		// Work with a copy of dataTypes in case we need to modify it for conversion
-		dataTypes = s.dataTypes.slice();
-
-	// Create converters map with lowercased keys
-	if ( dataTypes[ 1 ] ) {
-		for ( conv in s.converters ) {
-			converters[ conv.toLowerCase() ] = s.converters[ conv ];
-		}
-	}
-
-	current = dataTypes.shift();
-
-	// Convert to each sequential dataType
-	while ( current ) {
-
-		if ( s.responseFields[ current ] ) {
-			jqXHR[ s.responseFields[ current ] ] = response;
-		}
-
-		// Apply the dataFilter if provided
-		if ( !prev && isSuccess && s.dataFilter ) {
-			response = s.dataFilter( response, s.dataType );
-		}
-
-		prev = current;
-		current = dataTypes.shift();
-
-		if ( current ) {
-
-			// There's only work to do if current dataType is non-auto
-			if ( current === "*" ) {
-
-				current = prev;
-
-			// Convert response if prev dataType is non-auto and differs from current
-			} else if ( prev !== "*" && prev !== current ) {
-
-				// Seek a direct converter
-				conv = converters[ prev + " " + current ] || converters[ "* " + current ];
-
-				// If none found, seek a pair
-				if ( !conv ) {
-					for ( conv2 in converters ) {
-
-						// If conv2 outputs current
-						tmp = conv2.split( " " );
-						if ( tmp[ 1 ] === current ) {
-
-							// If prev can be converted to accepted input
-							conv = converters[ prev + " " + tmp[ 0 ] ] ||
-								converters[ "* " + tmp[ 0 ] ];
-							if ( conv ) {
-								// Condense equivalence converters
-								if ( conv === true ) {
-									conv = converters[ conv2 ];
-
-								// Otherwise, insert the intermediate dataType
-								} else if ( converters[ conv2 ] !== true ) {
-									current = tmp[ 0 ];
-									dataTypes.unshift( tmp[ 1 ] );
-								}
-								break;
-							}
-						}
-					}
-				}
-
-				// Apply converter (if not an equivalence)
-				if ( conv !== true ) {
-
-					// Unless errors are allowed to bubble, catch and return them
-					if ( conv && s[ "throws" ] ) {
-						response = conv( response );
-					} else {
-						try {
-							response = conv( response );
-						} catch ( e ) {
-							return { state: "parsererror", error: conv ? e : "No conversion from " + prev + " to " + current };
-						}
-					}
-				}
-			}
-		}
-	}
-
-	return { state: "success", data: response };
-}
-// Install script dataType
-jQuery.ajaxSetup({
-	accepts: {
-		script: "text/javascript, application/javascript, application/ecmascript, application/x-ecmascript"
-	},
-	contents: {
-		script: /(?:java|ecma)script/
-	},
-	converters: {
-		"text script": function( text ) {
-			jQuery.globalEval( text );
-			return text;
-		}
-	}
-});
-
-// Handle cache's special case and global
-jQuery.ajaxPrefilter( "script", function( s ) {
-	if ( s.cache === undefined ) {
-		s.cache = false;
-	}
-	if ( s.crossDomain ) {
-		s.type = "GET";
-		s.global = false;
-	}
-});
-
-// Bind script tag hack transport
-jQuery.ajaxTransport( "script", function(s) {
-
-	// This transport only deals with cross domain requests
-	if ( s.crossDomain ) {
-
-		var script,
-			head = document.head || jQuery("head")[0] || document.documentElement;
-
-		return {
-
-			send: function( _, callback ) {
-
-				script = document.createElement("script");
-
-				script.async = true;
-
-				if ( s.scriptCharset ) {
-					script.charset = s.scriptCharset;
-				}
-
-				script.src = s.url;
-
-				// Attach handlers for all browsers
-				script.onload = script.onreadystatechange = function( _, isAbort ) {
-
-					if ( isAbort || !script.readyState || /loaded|complete/.test( script.readyState ) ) {
-
-						// Handle memory leak in IE
-						script.onload = script.onreadystatechange = null;
-
-						// Remove the script
-						if ( script.parentNode ) {
-							script.parentNode.removeChild( script );
-						}
-
-						// Dereference the script
-						script = null;
-
-						// Callback if not abort
-						if ( !isAbort ) {
-							callback( 200, "success" );
-						}
-					}
-				};
-
-				// Circumvent IE6 bugs with base elements (#2709 and #4378) by prepending
-				// Use native DOM manipulation to avoid our domManip AJAX trickery
-				head.insertBefore( script, head.firstChild );
-			},
-
-			abort: function() {
-				if ( script ) {
-					script.onload( undefined, true );
-				}
-			}
-		};
-	}
-});
-var oldCallbacks = [],
-	rjsonp = /(=)\?(?=&|$)|\?\?/;
-
-// Default jsonp settings
-jQuery.ajaxSetup({
-	jsonp: "callback",
-	jsonpCallback: function() {
-		var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( ajax_nonce++ ) );
-		this[ callback ] = true;
-		return callback;
-	}
-});
-
-// Detect, normalize options and install callbacks for jsonp requests
-jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
-
-	var callbackName, overwritten, responseContainer,
-		jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
-			"url" :
-			typeof s.data === "string" && !( s.contentType || "" ).indexOf("application/x-www-form-urlencoded") && rjsonp.test( s.data ) && "data"
-		);
-
-	// Handle iff the expected data type is "jsonp" or we have a parameter to set
-	if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
-
-		// Get callback name, remembering preexisting value associated with it
-		callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ?
-			s.jsonpCallback() :
-			s.jsonpCallback;
-
-		// Insert callback into url or form data
-		if ( jsonProp ) {
-			s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
-		} else if ( s.jsonp !== false ) {
-			s.url += ( ajax_rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
-		}
-
-		// Use data converter to retrieve json after script execution
-		s.converters["script json"] = function() {
-			if ( !responseContainer ) {
-				jQuery.error( callbackName + " was not called" );
-			}
-			return responseContainer[ 0 ];
-		};
-
-		// force json dataType
-		s.dataTypes[ 0 ] = "json";
-
-		// Install callback
-		overwritten = window[ callbackName ];
-		window[ callbackName ] = function() {
-			responseContainer = arguments;
-		};
-
-		// Clean-up function (fires after converters)
-		jqXHR.always(function() {
-			// Restore preexisting value
-			window[ callbackName ] = overwritten;
-
-			// Save back as free
-			if ( s[ callbackName ] ) {
-				// make sure that re-using the options doesn't screw things around
-				s.jsonpCallback = originalSettings.jsonpCallback;
-
-				// save the callback name for future use
-				oldCallbacks.push( callbackName );
-			}
-
-			// Call if it was a function and we have a response
-			if ( responseContainer && jQuery.isFunction( overwritten ) ) {
-				overwritten( responseContainer[ 0 ] );
-			}
-
-			responseContainer = overwritten = undefined;
-		});
-
-		// Delegate to script
-		return "script";
-	}
-});
-var xhrCallbacks, xhrSupported,
-	xhrId = 0,
-	// #5280: Internet Explorer will keep connections alive if we don't abort on unload
-	xhrOnUnloadAbort = window.ActiveXObject && function() {
-		// Abort all pending requests
-		var key;
-		for ( key in xhrCallbacks ) {
-			xhrCallbacks[ key ]( undefined, true );
-		}
-	};
-
-// Functions to create xhrs
-function createStandardXHR() {
-	try {
-		return new window.XMLHttpRequest();
-	} catch( e ) {}
-}
-
-function createActiveXHR() {
-	try {
-		return new window.ActiveXObject("Microsoft.XMLHTTP");
-	} catch( e ) {}
-}
-
-// Create the request object
-// (This is still attached to ajaxSettings for backward compatibility)
-jQuery.ajaxSettings.xhr = window.ActiveXObject ?
-	/* Microsoft failed to properly
-	 * implement the XMLHttpRequest in IE7 (can't request local files),
-	 * so we use the ActiveXObject when it is available
-	 * Additionally XMLHttpRequest can be disabled in IE7/IE8 so
-	 * we need a fallback.
-	 */
-	function() {
-		return !this.isLocal && createStandardXHR() || createActiveXHR();
-	} :
-	// For all other browsers, use the standard XMLHttpRequest object
-	createStandardXHR;
-
-// Determine support properties
-xhrSupported = jQuery.ajaxSettings.xhr();
-jQuery.support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
-xhrSupported = jQuery.support.ajax = !!xhrSupported;
-
-// Create transport if the browser can provide an xhr
-if ( xhrSupported ) {
-
-	jQuery.ajaxTransport(function( s ) {
-		// Cross domain only allowed if supported through XMLHttpRequest
-		if ( !s.crossDomain || jQuery.support.cors ) {
-
-			var callback;
-
-			return {
-				send: function( headers, complete ) {
-
-					// Get a new xhr
-					var handle, i,
-						xhr = s.xhr();
-
-					// Open the socket
-					// Passing null username, generates a login popup on Opera (#2865)
-					if ( s.username ) {
-						xhr.open( s.type, s.url, s.async, s.username, s.password );
-					} else {
-						xhr.open( s.type, s.url, s.async );
-					}
-
-					// Apply custom fields if provided
-					if ( s.xhrFields ) {
-						for ( i in s.xhrFields ) {
-							xhr[ i ] = s.xhrFields[ i ];
-						}
-					}
-
-					// Override mime type if needed
-					if ( s.mimeType && xhr.overrideMimeType ) {
-						xhr.overrideMimeType( s.mimeType );
-					}
-
-					// X-Requested-With header
-					// For cross-domain requests, seeing as conditions for a preflight are
-					// akin to a jigsaw puzzle, we simply never set it to be sure.
-					// (it can always be set on a per-request basis or even using ajaxSetup)
-					// For same-domain requests, won't change header if already provided.
-					if ( !s.crossDomain && !headers["X-Requested-With"] ) {
-						headers["X-Requested-With"] = "XMLHttpRequest";
-					}
-
-					// Need an extra try/catch for cross domain requests in Firefox 3
-					try {
-						for ( i in headers ) {
-							xhr.setRequestHeader( i, headers[ i ] );
-						}
-					} catch( err ) {}
-
-					// Do send the request
-					// This may raise an exception which is actually
-					// handled in jQuery.ajax (so no try/catch here)
-					xhr.send( ( s.hasContent && s.data ) || null );
-
-					// Listener
-					callback = function( _, isAbort ) {
-						var status, responseHeaders, statusText, responses;
-
-						// Firefox throws exceptions when accessing properties
-						// of an xhr when a network error occurred
-						// http://helpful.knobs-dials.com/index.php/Component_returned_failure_code:_0x80040111_(NS_ERROR_NOT_AVAILABLE)
-						try {
-
-							// Was never called and is aborted or complete
-							if ( callback && ( isAbort || xhr.readyState === 4 ) ) {
-
-								// Only called once
-								callback = undefined;
-
-								// Do not keep as active anymore
-								if ( handle ) {
-									xhr.onreadystatechange = jQuery.noop;
-									if ( xhrOnUnloadAbort ) {
-										delete xhrCallbacks[ handle ];
-									}
-								}
-
-								// If it's an abort
-								if ( isAbort ) {
-									// Abort it manually if needed
-									if ( xhr.readyState !== 4 ) {
-										xhr.abort();
-									}
-								} else {
-									responses = {};
-									status = xhr.status;
-									responseHeaders = xhr.getAllResponseHeaders();
-
-									// When requesting binary data, IE6-9 will throw an exception
-									// on any attempt to access responseText (#11426)
-									if ( typeof xhr.responseText === "string" ) {
-										responses.text = xhr.responseText;
-									}
-
-									// Firefox throws an exception when accessing
-									// statusText for faulty cross-domain requests
-									try {
-										statusText = xhr.statusText;
-									} catch( e ) {
-										// We normalize with Webkit giving an empty statusText
-										statusText = "";
-									}
-
-									// Filter status for non standard behaviors
-
-									// If the request is local and we have data: assume a success
-									// (success with no data won't get notified, that's the best we
-									// can do given current implementations)
-									if ( !status && s.isLocal && !s.crossDomain ) {
-										status = responses.text ? 200 : 404;
-									// IE - #1450: sometimes returns 1223 when it should be 204
-									} else if ( status === 1223 ) {
-										status = 204;
-									}
-								}
-							}
-						} catch( firefoxAccessException ) {
-							if ( !isAbort ) {
-								complete( -1, firefoxAccessException );
-							}
-						}
-
-						// Call complete if needed
-						if ( responses ) {
-							complete( status, statusText, responses, responseHeaders );
-						}
-					};
-
-					if ( !s.async ) {
-						// if we're in sync mode we fire the callback
-						callback();
-					} else if ( xhr.readyState === 4 ) {
-						// (IE6 & IE7) if it's in cache and has been
-						// retrieved directly we need to fire the callback
-						setTimeout( callback );
-					} else {
-						handle = ++xhrId;
-						if ( xhrOnUnloadAbort ) {
-							// Create the active xhrs callbacks list if needed
-							// and attach the unload handler
-							if ( !xhrCallbacks ) {
-								xhrCallbacks = {};
-								jQuery( window ).unload( xhrOnUnloadAbort );
-							}
-							// Add to list of active xhrs callbacks
-							xhrCallbacks[ handle ] = callback;
-						}
-						xhr.onreadystatechange = callback;
-					}
-				},
-
-				abort: function() {
-					if ( callback ) {
-						callback( undefined, true );
-					}
-				}
-			};
-		}
-	});
-}
-var fxNow, timerId,
-	rfxtypes = /^(?:toggle|show|hide)$/,
-	rfxnum = new RegExp( "^(?:([+-])=|)(" + core_pnum + ")([a-z%]*)$", "i" ),
-	rrun = /queueHooks$/,
-	animationPrefilters = [ defaultPrefilter ],
-	tweeners = {
-		"*": [function( prop, value ) {
-			var tween = this.createTween( prop, value ),
-				target = tween.cur(),
-				parts = rfxnum.exec( value ),
-				unit = parts && parts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
-
-				// Starting value computation is required for potential unit mismatches
-				start = ( jQuery.cssNumber[ prop ] || unit !== "px" && +target ) &&
-					rfxnum.exec( jQuery.css( tween.elem, prop ) ),
-				scale = 1,
-				maxIterations = 20;
-
-			if ( start && start[ 3 ] !== unit ) {
-				// Trust units reported by jQuery.css
-				unit = unit || start[ 3 ];
-
-				// Make sure we update the tween properties later on
-				parts = parts || [];
-
-				// Iteratively approximate from a nonzero starting point
-				start = +target || 1;
-
-				do {
-					// If previous iteration zeroed out, double until we get *something*
-					// Use a string for doubling factor so we don't accidentally see scale as unchanged below
-					scale = scale || ".5";
-
-					// Adjust and apply
-					start = start / scale;
-					jQuery.style( tween.elem, prop, start + unit );
-
-				// Update scale, tolerating zero or NaN from tween.cur()
-				// And breaking the loop if scale is unchanged or perfect, or if we've just had enough
-				} while ( scale !== (scale = tween.cur() / target) && scale !== 1 && --maxIterations );
-			}
-
-			// Update tween properties
-			if ( parts ) {
-				start = tween.start = +start || +target || 0;
-				tween.unit = unit;
-				// If a +=/-= token was provided, we're doing a relative animation
-				tween.end = parts[ 1 ] ?
-					start + ( parts[ 1 ] + 1 ) * parts[ 2 ] :
-					+parts[ 2 ];
-			}
-
-			return tween;
-		}]
-	};
-
-// Animations created synchronously will run synchronously
-function createFxNow() {
-	setTimeout(function() {
-		fxNow = undefined;
-	});
-	return ( fxNow = jQuery.now() );
-}
-
-function createTween( value, prop, animation ) {
-	var tween,
-		collection = ( tweeners[ prop ] || [] ).concat( tweeners[ "*" ] ),
-		index = 0,
-		length = collection.length;
-	for ( ; index < length; index++ ) {
-		if ( (tween = collection[ index ].call( animation, prop, value )) ) {
-
-			// we're done with this property
-			return tween;
-		}
-	}
-}
-
-function Animation( elem, properties, options ) {
-	var result,
-		stopped,
-		index = 0,
-		length = animationPrefilters.length,
-		deferred = jQuery.Deferred().always( function() {
-			// don't match elem in the :animated selector
-			delete tick.elem;
-		}),
-		tick = function() {
-			if ( stopped ) {
-				return false;
-			}
-			var currentTime = fxNow || createFxNow(),
-				remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
-				// archaic crash bug won't allow us to use 1 - ( 0.5 || 0 ) (#12497)
-				temp = remaining / animation.duration || 0,
-				percent = 1 - temp,
-				index = 0,
-				length = animation.tweens.length;
-
-			for ( ; index < length ; index++ ) {
-				animation.tweens[ index ].run( percent );
-			}
-
-			deferred.notifyWith( elem, [ animation, percent, remaining ]);
-
-			if ( percent < 1 && length ) {
-				return remaining;
-			} else {
-				deferred.resolveWith( elem, [ animation ] );
-				return false;
-			}
-		},
-		animation = deferred.promise({
-			elem: elem,
-			props: jQuery.extend( {}, properties ),
-			opts: jQuery.extend( true, { specialEasing: {} }, options ),
-			originalProperties: properties,
-			originalOptions: options,
-			startTime: fxNow || createFxNow(),
-			duration: options.duration,
-			tweens: [],
-			createTween: function( prop, end ) {
-				var tween = jQuery.Tween( elem, animation.opts, prop, end,
-						animation.opts.specialEasing[ prop ] || animation.opts.easing );
-				animation.tweens.push( tween );
-				return tween;
-			},
-			stop: function( gotoEnd ) {
-				var index = 0,
-					// if we are going to the end, we want to run all the tweens
-					// otherwise we skip this part
-					length = gotoEnd ? animation.tweens.length : 0;
-				if ( stopped ) {
-					return this;
-				}
-				stopped = true;
-				for ( ; index < length ; index++ ) {
-					animation.tweens[ index ].run( 1 );
-				}
-
-				// resolve when we played the last frame
-				// otherwise, reject
-				if ( gotoEnd ) {
-					deferred.resolveWith( elem, [ animation, gotoEnd ] );
-				} else {
-					deferred.rejectWith( elem, [ animation, gotoEnd ] );
-				}
-				return this;
-			}
-		}),
-		props = animation.props;
-
-	propFilter( props, animation.opts.specialEasing );
-
-	for ( ; index < length ; index++ ) {
-		result = animationPrefilters[ index ].call( animation, elem, props, animation.opts );
-		if ( result ) {
-			return result;
-		}
-	}
-
-	jQuery.map( props, createTween, animation );
-
-	if ( jQuery.isFunction( animation.opts.start ) ) {
-		animation.opts.start.call( elem, animation );
-	}
-
-	jQuery.fx.timer(
-		jQuery.extend( tick, {
-			elem: elem,
-			anim: animation,
-			queue: animation.opts.queue
-		})
-	);
-
-	// attach callbacks from options
-	return animation.progress( animation.opts.progress )
-		.done( animation.opts.done, animation.opts.complete )
-		.fail( animation.opts.fail )
-		.always( animation.opts.always );
-}
-
-function propFilter( props, specialEasing ) {
-	var index, name, easing, value, hooks;
-
-	// camelCase, specialEasing and expand cssHook pass
-	for ( index in props ) {
-		name = jQuery.camelCase( index );
-		easing = specialEasing[ name ];
-		value = props[ index ];
-		if ( jQuery.isArray( value ) ) {
-			easing = value[ 1 ];
-			value = props[ index ] = value[ 0 ];
-		}
-
-		if ( index !== name ) {
-			props[ name ] = value;
-			delete props[ index ];
-		}
-
-		hooks = jQuery.cssHooks[ name ];
-		if ( hooks && "expand" in hooks ) {
-			value = hooks.expand( value );
-			delete props[ name ];
-
-			// not quite $.extend, this wont overwrite keys already present.
-			// also - reusing 'index' from above because we have the correct "name"
-			for ( index in value ) {
-				if ( !( index in props ) ) {
-					props[ index ] = value[ index ];
-					specialEasing[ index ] = easing;
-				}
-			}
-		} else {
-			specialEasing[ name ] = easing;
-		}
-	}
-}
-
-jQuery.Animation = jQuery.extend( Animation, {
-
-	tweener: function( props, callback ) {
-		if ( jQuery.isFunction( props ) ) {
-			callback = props;
-			props = [ "*" ];
-		} else {
-			props = props.split(" ");
-		}
-
-		var prop,
-			index = 0,
-			length = props.length;
-
-		for ( ; index < length ; index++ ) {
-			prop = props[ index ];
-			tweeners[ prop ] = tweeners[ prop ] || [];
-			tweeners[ prop ].unshift( callback );
-		}
-	},
-
-	prefilter: function( callback, prepend ) {
-		if ( prepend ) {
-			animationPrefilters.unshift( callback );
-		} else {
-			animationPrefilters.push( callback );
-		}
-	}
-});
-
-function defaultPrefilter( elem, props, opts ) {
-	/* jshint validthis: true */
-	var prop, value, toggle, tween, hooks, oldfire,
-		anim = this,
-		orig = {},
-		style = elem.style,
-		hidden = elem.nodeType && isHidden( elem ),
-		dataShow = jQuery._data( elem, "fxshow" );
-
-	// handle queue: false promises
-	if ( !opts.queue ) {
-		hooks = jQuery._queueHooks( elem, "fx" );
-		if ( hooks.unqueued == null ) {
-			hooks.unqueued = 0;
-			oldfire = hooks.empty.fire;
-			hooks.empty.fire = function() {
-				if ( !hooks.unqueued ) {
-					oldfire();
-				}
-			};
-		}
-		hooks.unqueued++;
-
-		anim.always(function() {
-			// doing this makes sure that the complete handler will be called
-			// before this completes
-			anim.always(function() {
-				hooks.unqueued--;
-				if ( !jQuery.queue( elem, "fx" ).length ) {
-					hooks.empty.fire();
-				}
-			});
-		});
-	}
-
-	// height/width overflow pass
-	if ( elem.nodeType === 1 && ( "height" in props || "width" in props ) ) {
-		// Make sure that nothing sneaks out
-		// Record all 3 overflow attributes because IE does not
-		// change the overflow attribute when overflowX and
-		// overflowY are set to the same value
-		opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
-
-		// Set display property to inline-block for height/width
-		// animations on inline elements that are having width/height animated
-		if ( jQuery.css( elem, "display" ) === "inline" &&
-				jQuery.css( elem, "float" ) === "none" ) {
-
-			// inline-level elements accept inline-block;
-			// block-level elements need to be inline with layout
-			if ( !jQuery.support.inlineBlockNeedsLayout || css_defaultDisplay( elem.nodeName ) === "inline" ) {
-				style.display = "inline-block";
-
-			} else {
-				style.zoom = 1;
-			}
-		}
-	}
-
-	if ( opts.overflow ) {
-		style.overflow = "hidden";
-		if ( !jQuery.support.shrinkWrapBlocks ) {
-			anim.always(function() {
-				style.overflow = opts.overflow[ 0 ];
-				style.overflowX = opts.overflow[ 1 ];
-				style.overflowY = opts.overflow[ 2 ];
-			});
-		}
-	}
-
-
-	// show/hide pass
-	for ( prop in props ) {
-		value = props[ prop ];
-		if ( rfxtypes.exec( value ) ) {
-			delete props[ prop ];
-			toggle = toggle || value === "toggle";
-			if ( value === ( hidden ? "hide" : "show" ) ) {
-				continue;
-			}
-			orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
-		}
-	}
-
-	if ( !jQuery.isEmptyObject( orig ) ) {
-		if ( dataShow ) {
-			if ( "hidden" in dataShow ) {
-				hidden = dataShow.hidden;
-			}
-		} else {
-			dataShow = jQuery._data( elem, "fxshow", {} );
-		}
-
-		// store state if its toggle - enables .stop().toggle() to "reverse"
-		if ( toggle ) {
-			dataShow.hidden = !hidden;
-		}
-		if ( hidden ) {
-			jQuery( elem ).show();
-		} else {
-			anim.done(function() {
-				jQuery( elem ).hide();
-			});
-		}
-		anim.done(function() {
-			var prop;
-			jQuery._removeData( elem, "fxshow" );
-			for ( prop in orig ) {
-				jQuery.style( elem, prop, orig[ prop ] );
-			}
-		});
-		for ( prop in orig ) {
-			tween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
-
-			if ( !( prop in dataShow ) ) {
-				dataShow[ prop ] = tween.start;
-				if ( hidden ) {
-					tween.end = tween.start;
-					tween.start = prop === "width" || prop === "height" ? 1 : 0;
-				}
-			}
-		}
-	}
-}
-
-function Tween( elem, options, prop, end, easing ) {
-	return new Tween.prototype.init( elem, options, prop, end, easing );
-}
-jQuery.Tween = Tween;
-
-Tween.prototype = {
-	constructor: Tween,
-	init: function( elem, options, prop, end, easing, unit ) {
-		this.elem = elem;
-		this.prop = prop;
-		this.easing = easing || "swing";
-		this.options = options;
-		this.start = this.now = this.cur();
-		this.end = end;
-		this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
-	},
-	cur: function() {
-		var hooks = Tween.propHooks[ this.prop ];
-
-		return hooks && hooks.get ?
-			hooks.get( this ) :
-			Tween.propHooks._default.get( this );
-	},
-	run: function( percent ) {
-		var eased,
-			hooks = Tween.propHooks[ this.prop ];
-
-		if ( this.options.duration ) {
-			this.pos = eased = jQuery.easing[ this.easing ](
-				percent, this.options.duration * percent, 0, 1, this.options.duration
-			);
-		} else {
-			this.pos = eased = percent;
-		}
-		this.now = ( this.end - this.start ) * eased + this.start;
-
-		if ( this.options.step ) {
-			this.options.step.call( this.elem, this.now, this );
-		}
-
-		if ( hooks && hooks.set ) {
-			hooks.set( this );
-		} else {
-			Tween.propHooks._default.set( this );
-		}
-		return this;
-	}
-};
-
-Tween.prototype.init.prototype = Tween.prototype;
-
-Tween.propHooks = {
-	_default: {
-		get: function( tween ) {
-			var result;
-
-			if ( tween.elem[ tween.prop ] != null &&
-				(!tween.elem.style || tween.elem.style[ tween.prop ] == null) ) {
-				return tween.elem[ tween.prop ];
-			}
-
-			// passing an empty string as a 3rd parameter to .css will automatically
-			// attempt a parseFloat and fallback to a string if the parse fails
-			// so, simple values such as "10px" are parsed to Float.
-			// complex values such as "rotate(1rad)" are returned as is.
-			result = jQuery.css( tween.elem, tween.prop, "" );
-			// Empty strings, null, undefined and "auto" are converted to 0.
-			return !result || result === "auto" ? 0 : result;
-		},
-		set: function( tween ) {
-			// use step hook for back compat - use cssHook if its there - use .style if its
-			// available and use plain properties where available
-			if ( jQuery.fx.step[ tween.prop ] ) {
-				jQuery.fx.step[ tween.prop ]( tween );
-			} else if ( tween.elem.style && ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null || jQuery.cssHooks[ tween.prop ] ) ) {
-				jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
-			} else {
-				tween.elem[ tween.prop ] = tween.now;
-			}
-		}
-	}
-};
-
-// Support: IE <=9
-// Panic based approach to setting things on disconnected nodes
-
-Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
-	set: function( tween ) {
-		if ( tween.elem.nodeType && tween.elem.parentNode ) {
-			tween.elem[ tween.prop ] = tween.now;
-		}
-	}
-};
-
-jQuery.each([ "toggle", "show", "hide" ], function( i, name ) {
-	var cssFn = jQuery.fn[ name ];
-	jQuery.fn[ name ] = function( speed, easing, callback ) {
-		return speed == null || typeof speed === "boolean" ?
-			cssFn.apply( this, arguments ) :
-			this.animate( genFx( name, true ), speed, easing, callback );
-	};
-});
-
-jQuery.fn.extend({
-	fadeTo: function( speed, to, easing, callback ) {
-
-		// show any hidden elements after setting opacity to 0
-		return this.filter( isHidden ).css( "opacity", 0 ).show()
-
-			// animate to the value specified
-			.end().animate({ opacity: to }, speed, easing, callback );
-	},
-	animate: function( prop, speed, easing, callback ) {
-		var empty = jQuery.isEmptyObject( prop ),
-			optall = jQuery.speed( speed, easing, callback ),
-			doAnimation = function() {
-				// Operate on a copy of prop so per-property easing won't be lost
-				var anim = Animation( this, jQuery.extend( {}, prop ), optall );
-
-				// Empty animations, or finishing resolves immediately
-				if ( empty || jQuery._data( this, "finish" ) ) {
-					anim.stop( true );
-				}
-			};
-			doAnimation.finish = doAnimation;
-
-		return empty || optall.queue === false ?
-			this.each( doAnimation ) :
-			this.queue( optall.queue, doAnimation );
-	},
-	stop: function( type, clearQueue, gotoEnd ) {
-		var stopQueue = function( hooks ) {
-			var stop = hooks.stop;
-			delete hooks.stop;
-			stop( gotoEnd );
-		};
-
-		if ( typeof type !== "string" ) {
-			gotoEnd = clearQueue;
-			clearQueue = type;
-			type = undefined;
-		}
-		if ( clearQueue && type !== false ) {
-			this.queue( type || "fx", [] );
-		}
-
-		return this.each(function() {
-			var dequeue = true,
-				index = type != null && type + "queueHooks",
-				timers = jQuery.timers,
-				data = jQuery._data( this );
-
-			if ( index ) {
-				if ( data[ index ] && data[ index ].stop ) {
-					stopQueue( data[ index ] );
-				}
-			} else {
-				for ( index in data ) {
-					if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
-						stopQueue( data[ index ] );
-					}
-				}
-			}
-
-			for ( index = timers.length; index--; ) {
-				if ( timers[ index ].elem === this && (type == null || timers[ index ].queue === type) ) {
-					timers[ index ].anim.stop( gotoEnd );
-					dequeue = false;
-					timers.splice( index, 1 );
-				}
-			}
-
-			// start the next in the queue if the last step wasn't forced
-			// timers currently will call their complete callbacks, which will dequeue
-			// but only if they were gotoEnd
-			if ( dequeue || !gotoEnd ) {
-				jQuery.dequeue( this, type );
-			}
-		});
-	},
-	finish: function( type ) {
-		if ( type !== false ) {
-			type = type || "fx";
-		}
-		return this.each(function() {
-			var index,
-				data = jQuery._data( this ),
-				queue = data[ type + "queue" ],
-				hooks = data[ type + "queueHooks" ],
-				timers = jQuery.timers,
-				length = queue ? queue.length : 0;
-
-			// enable finishing flag on private data
-			data.finish = true;
-
-			// empty the queue first
-			jQuery.queue( this, type, [] );
-
-			if ( hooks && hooks.stop ) {
-				hooks.stop.call( this, true );
-			}
-
-			// look for any active animations, and finish them
-			for ( index = timers.length; index--; ) {
-				if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
-					timers[ index ].anim.stop( true );
-					timers.splice( index, 1 );
-				}
-			}
-
-			// look for any animations in the old queue and finish them
-			for ( index = 0; index < length; index++ ) {
-				if ( queue[ index ] && queue[ index ].finish ) {
-					queue[ index ].finish.call( this );
-				}
-			}
-
-			// turn off finishing flag
-			delete data.finish;
-		});
-	}
-});
-
-// Generate parameters to create a standard animation
-function genFx( type, includeWidth ) {
-	var which,
-		attrs = { height: type },
-		i = 0;
-
-	// if we include width, step value is 1 to do all cssExpand values,
-	// if we don't include width, step value is 2 to skip over Left and Right
-	includeWidth = includeWidth? 1 : 0;
-	for( ; i < 4 ; i += 2 - includeWidth ) {
-		which = cssExpand[ i ];
-		attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
-	}
-
-	if ( includeWidth ) {
-		attrs.opacity = attrs.width = type;
-	}
-
-	return attrs;
-}
-
-// Generate shortcuts for custom animations
-jQuery.each({
-	slideDown: genFx("show"),
-	slideUp: genFx("hide"),
-	slideToggle: genFx("toggle"),
-	fadeIn: { opacity: "show" },
-	fadeOut: { opacity: "hide" },
-	fadeToggle: { opacity: "toggle" }
-}, function( name, props ) {
-	jQuery.fn[ name ] = function( speed, easing, callback ) {
-		return this.animate( props, speed, easing, callback );
-	};
-});
-
-jQuery.speed = function( speed, easing, fn ) {
-	var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
-		complete: fn || !fn && easing ||
-			jQuery.isFunction( speed ) && speed,
-		duration: speed,
-		easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
-	};
-
-	opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration :
-		opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;
-
-	// normalize opt.queue - true/undefined/null -> "fx"
-	if ( opt.queue == null || opt.queue === true ) {
-		opt.queue = "fx";
-	}
-
-	// Queueing
-	opt.old = opt.complete;
-
-	opt.complete = function() {
-		if ( jQuery.isFunction( opt.old ) ) {
-			opt.old.call( this );
-		}
-
-		if ( opt.queue ) {
-			jQuery.dequeue( this, opt.queue );
-		}
-	};
-
-	return opt;
-};
-
-jQuery.easing = {
-	linear: function( p ) {
-		return p;
-	},
-	swing: function( p ) {
-		return 0.5 - Math.cos( p*Math.PI ) / 2;
-	}
-};
-
-jQuery.timers = [];
-jQuery.fx = Tween.prototype.init;
-jQuery.fx.tick = function() {
-	var timer,
-		timers = jQuery.timers,
-		i = 0;
-
-	fxNow = jQuery.now();
-
-	for ( ; i < timers.length; i++ ) {
-		timer = timers[ i ];
-		// Checks the timer has not already been removed
-		if ( !timer() && timers[ i ] === timer ) {
-			timers.splice( i--, 1 );
-		}
-	}
-
-	if ( !timers.length ) {
-		jQuery.fx.stop();
-	}
-	fxNow = undefined;
-};
-
-jQuery.fx.timer = function( timer ) {
-	if ( timer() && jQuery.timers.push( timer ) ) {
-		jQuery.fx.start();
-	}
-};
-
-jQuery.fx.interval = 13;
-
-jQuery.fx.start = function() {
-	if ( !timerId ) {
-		timerId = setInterval( jQuery.fx.tick, jQuery.fx.interval );
-	}
-};
-
-jQuery.fx.stop = function() {
-	clearInterval( timerId );
-	timerId = null;
-};
-
-jQuery.fx.speeds = {
-	slow: 600,
-	fast: 200,
-	// Default speed
-	_default: 400
-};
-
-// Back Compat <1.8 extension point
-jQuery.fx.step = {};
-
-if ( jQuery.expr && jQuery.expr.filters ) {
-	jQuery.expr.filters.animated = function( elem ) {
-		return jQuery.grep(jQuery.timers, function( fn ) {
-			return elem === fn.elem;
-		}).length;
-	};
-}
-jQuery.fn.offset = function( options ) {
-	if ( arguments.length ) {
-		return options === undefined ?
-			this :
-			this.each(function( i ) {
-				jQuery.offset.setOffset( this, options, i );
-			});
-	}
-
-	var docElem, win,
-		box = { top: 0, left: 0 },
-		elem = this[ 0 ],
-		doc = elem && elem.ownerDocument;
-
-	if ( !doc ) {
-		return;
-	}
-
-	docElem = doc.documentElement;
-
-	// Make sure it's not a disconnected DOM node
-	if ( !jQuery.contains( docElem, elem ) ) {
-		return box;
-	}
-
-	// If we don't have gBCR, just use 0,0 rather than error
-	// BlackBerry 5, iOS 3 (original iPhone)
-	if ( typeof elem.getBoundingClientRect !== core_strundefined ) {
-		box = elem.getBoundingClientRect();
-	}
-	win = getWindow( doc );
-	return {
-		top: box.top  + ( win.pageYOffset || docElem.scrollTop )  - ( docElem.clientTop  || 0 ),
-		left: box.left + ( win.pageXOffset || docElem.scrollLeft ) - ( docElem.clientLeft || 0 )
-	};
-};
-
-jQuery.offset = {
-
-	setOffset: function( elem, options, i ) {
-		var position = jQuery.css( elem, "position" );
-
-		// set position first, in-case top/left are set even on static elem
-		if ( position === "static" ) {
-			elem.style.position = "relative";
-		}
-
-		var curElem = jQuery( elem ),
-			curOffset = curElem.offset(),
-			curCSSTop = jQuery.css( elem, "top" ),
-			curCSSLeft = jQuery.css( elem, "left" ),
-			calculatePosition = ( position === "absolute" || position === "fixed" ) && jQuery.inArray("auto", [curCSSTop, curCSSLeft]) > -1,
-			props = {}, curPosition = {}, curTop, curLeft;
-
-		// need to be able to calculate position if either top or left is auto and position is either absolute or fixed
-		if ( calculatePosition ) {
-			curPosition = curElem.position();
-			curTop = curPosition.top;
-			curLeft = curPosition.left;
-		} else {
-			curTop = parseFloat( curCSSTop ) || 0;
-			curLeft = parseFloat( curCSSLeft ) || 0;
-		}
-
-		if ( jQuery.isFunction( options ) ) {
-			options = options.call( elem, i, curOffset );
-		}
-
-		if ( options.top != null ) {
-			props.top = ( options.top - curOffset.top ) + curTop;
-		}
-		if ( options.left != null ) {
-			props.left = ( options.left - curOffset.left ) + curLeft;
-		}
-
-		if ( "using" in options ) {
-			options.using.call( elem, props );
-		} else {
-			curElem.css( props );
-		}
-	}
-};
-
-
-jQuery.fn.extend({
-
-	position: function() {
-		if ( !this[ 0 ] ) {
-			return;
-		}
-
-		var offsetParent, offset,
-			parentOffset = { top: 0, left: 0 },
-			elem = this[ 0 ];
-
-		// fixed elements are offset from window (parentOffset = {top:0, left: 0}, because it is it's only offset parent
-		if ( jQuery.css( elem, "position" ) === "fixed" ) {
-			// we assume that getBoundingClientRect is available when computed position is fixed
-			offset = elem.getBoundingClientRect();
-		} else {
-			// Get *real* offsetParent
-			offsetParent = this.offsetParent();
-
-			// Get correct offsets
-			offset = this.offset();
-			if ( !jQuery.nodeName( offsetParent[ 0 ], "html" ) ) {
-				parentOffset = offsetParent.offset();
-			}
-
-			// Add offsetParent borders
-			parentOffset.top  += jQuery.css( offsetParent[ 0 ], "borderTopWidth", true );
-			parentOffset.left += jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true );
-		}
-
-		// Subtract parent offsets and element margins
-		// note: when an element has margin: auto the offsetLeft and marginLeft
-		// are the same in Safari causing offset.left to incorrectly be 0
-		return {
-			top:  offset.top  - parentOffset.top - jQuery.css( elem, "marginTop", true ),
-			left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true)
-		};
-	},
-
-	offsetParent: function() {
-		return this.map(function() {
-			var offsetParent = this.offsetParent || docElem;
-			while ( offsetParent && ( !jQuery.nodeName( offsetParent, "html" ) && jQuery.css( offsetParent, "position") === "static" ) ) {
-				offsetParent = offsetParent.offsetParent;
-			}
-			return offsetParent || docElem;
-		});
-	}
-});
-
-
-// Create scrollLeft and scrollTop methods
-jQuery.each( {scrollLeft: "pageXOffset", scrollTop: "pageYOffset"}, function( method, prop ) {
-	var top = /Y/.test( prop );
-
-	jQuery.fn[ method ] = function( val ) {
-		return jQuery.access( this, function( elem, method, val ) {
-			var win = getWindow( elem );
-
-			if ( val === undefined ) {
-				return win ? (prop in win) ? win[ prop ] :
-					win.document.documentElement[ method ] :
-					elem[ method ];
-			}
-
-			if ( win ) {
-				win.scrollTo(
-					!top ? val : jQuery( win ).scrollLeft(),
-					top ? val : jQuery( win ).scrollTop()
-				);
-
-			} else {
-				elem[ method ] = val;
-			}
-		}, method, val, arguments.length, null );
-	};
-});
-
-function getWindow( elem ) {
-	return jQuery.isWindow( elem ) ?
-		elem :
-		elem.nodeType === 9 ?
-			elem.defaultView || elem.parentWindow :
-			false;
-}
-// Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
-jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
-	jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name }, function( defaultExtra, funcName ) {
-		// margin is only for outerHeight, outerWidth
-		jQuery.fn[ funcName ] = function( margin, value ) {
-			var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
-				extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
-
-			return jQuery.access( this, function( elem, type, value ) {
-				var doc;
-
-				if ( jQuery.isWindow( elem ) ) {
-					// As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there
-					// isn't a whole lot we can do. See pull request at this URL for discussion:
-					// https://github.com/jquery/jquery/pull/764
-					return elem.document.documentElement[ "client" + name ];
-				}
-
-				// Get document width or height
-				if ( elem.nodeType === 9 ) {
-					doc = elem.documentElement;
-
-					// Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height], whichever is greatest
-					// unfortunately, this causes bug #3838 in IE6/8 only, but there is currently no good, small way to fix it.
-					return Math.max(
-						elem.body[ "scroll" + name ], doc[ "scroll" + name ],
-						elem.body[ "offset" + name ], doc[ "offset" + name ],
-						doc[ "client" + name ]
-					);
-				}
-
-				return value === undefined ?
-					// Get width or height on the element, requesting but not forcing parseFloat
-					jQuery.css( elem, type, extra ) :
-
-					// Set width or height on the element
-					jQuery.style( elem, type, value, extra );
-			}, type, chainable ? margin : undefined, chainable, null );
-		};
-	});
-});
-// Limit scope pollution from any deprecated API
-// (function() {
-
-// The number of elements contained in the matched element set
-jQuery.fn.size = function() {
-	return this.length;
-};
-
-jQuery.fn.andSelf = jQuery.fn.addBack;
-
-// })();
-if ( typeof module === "object" && module && typeof module.exports === "object" ) {
-	// Expose jQuery as module.exports in loaders that implement the Node
-	// module pattern (including browserify). Do not create the global, since
-	// the user will be storing it themselves locally, and globals are frowned
-	// upon in the Node module world.
-	module.exports = jQuery;
-} else {
-	// Otherwise expose jQuery to the global object as usual
-	window.jQuery = window.$ = jQuery;
-
-	// Register as a named AMD module, since jQuery can be concatenated with other
-	// files that may use define, but not via a proper concatenation script that
-	// understands anonymous AMD modules. A named AMD is safest and most robust
-	// way to register. Lowercase jquery is used because AMD module names are
-	// derived from file names, and jQuery is normally delivered in a lowercase
-	// file name. Do this after creating the global so that if an AMD module wants
-	// to call noConflict to hide this version of jQuery, it will work.
-	if ( typeof define === "function" && define.amd ) {
-		define( "jquery", [], function () { return jQuery; } );
-	}
-}
-
-})( window );
diff --git a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/js/main.js b/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/js/main.js
deleted file mode 100644
index b99aa17b5..000000000
--- a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/js/main.js
+++ /dev/null
@@ -1,225 +0,0 @@
-/*
- * Copyright (c)  2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
- *
- * WSO2 Inc. licenses this file to you under the Apache License,
- * Version 2.0 (the "License"); you may not use this file except
- * in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-var ncp = ncp || {};
-ncp.chart = null;
-ncp.polling_task = null;
-ncp.data = [];
-ncp.filter_context = null;
-ncp.filters_meta = {};
-ncp.filters = [];
-ncp.filter_prefix = "g_";
-ncp.selected_filter_groups = [];
-ncp.force_fetch = false;
-ncp.freeze = false;
-ncp.div = "#chart";
-ncp.fromIndex = 0;
-ncp.count = 5;
-ncp.prevTotalPages = -1;
-ncp.globalPage = 1;
-ncp.filterContextFromURL = "";
-
-ncp.meta = {
-    "names": ["id", "name", "Device count"],
-    "types": ["ordinal", "ordinal", "linear"]
-};
-
-var body = "body";
-
-ncp.config = {
-    type: "bar",
-    x: "id",
-    charts: [
-        {
-            type: "bar",
-            y: "Device count",
-            color: "name",
-            xTitle: "",
-            yTitle: "",
-            mode: "group",
-            colorScale: ["#D9534F"],
-            orientation: "left",
-            legend: false
-        }
-    ],
-    //textColor:"#ffffff",
-    //text:"count",
-    //textAlign:"right",
-    //yAxisStrokeSize:0,
-    //yAxisFontSize:0,
-    grid: false,
-    width: $(body).width(),
-    height: $(body).height() - 165,
-    padding: {"top": 15, "left": 175, "bottom": 30, "right": 25}
-};
-
-ncp.initialize = function () {
-    //noinspection JSPotentiallyInvalidConstructorUsage
-    ncp.chart = new vizg(
-        [
-            {
-                "metadata": ncp.meta,
-                "data": ncp.data
-            }
-        ],
-        ncp.config
-    );
-    ncp.chart.draw("#chart", [
-        {
-            type: "click",
-            callback: ncp.onclick
-        }
-    ]);
-    ncp.startPolling();
-};
-
-ncp.changePaginationNumber = function (count) {
-    ncp.count = parseInt(count);
-    ncp.data = [];
-    ncp.initialize();
-};
-
-ncp.startPolling = function () {
-    setTimeout(function () {
-        ncp.update();
-        ncp.freeze = ncp.selected_filter_groups.length > 0;
-    }, 500);
-    //noinspection JSUnusedGlobalSymbols
-    this.polling_task = setInterval(function () {
-        ncp.update();
-    }, gadgetConfig.polling_interval);
-};
-
-ncp.update = function () {
-    ncp.fetch(function (data) {
-        ncp.chart.insert(data);
-    });
-};
-
-ncp.fetch = function (cb) {
-    ncp.data.length = 0;
-    ncp.force_fetch = false;
-    //noinspection JSUnresolvedVariable
-    wso2.gadgets.XMLHttpRequest.get(gadgetConfig.source + "?start=" + ncp.fromIndex + "&length=" + ncp.count,
-        function (response) {
-            // console.log(JSON.stringify(response));
-            if (Object.prototype.toString.call(response) === '[object Array]' && response.length === 1) {
-                ncp.filter_context = response[0]["groupingAttribute"];
-                var nonCompliantFeatureCount = response[0]["totalRecordCount"];
-                var data = response[0]["data"];
-                var headerMsgCount = "#header-msg-count";
-                var headerMsgText = "#header-msg-text";
-                var bodyMsgForCompliance = "#body-msg-for-compliance";
-                var chartDiv = "#chart";
-                var paginationView = "#pagination-view";
-                if (nonCompliantFeatureCount == 0) {
-                    $(headerMsgCount).removeClass("label-danger");
-                    $(headerMsgCount).addClass("label-success");
-                    $(headerMsgCount).addClass("label-zero");
-                    $(headerMsgCount).html(nonCompliantFeatureCount.toString());
-                    $(headerMsgText).html("non-compliant features found.");
-                    $(bodyMsgForCompliance).removeClass("hidden");
-                    $(chartDiv).addClass("hidden");
-                    $(paginationView).addClass("hidden");
-                } else if (data && data.length > 0) {
-                    for (var i = 0; i < data.length; i++) {
-                        ncp.data.push(
-                            [data[i]["group"], data[i]["displayNameForGroup"], data[i]["deviceCount"]]
-                        );
-                    }
-                    if (ncp.force_fetch) {
-                        ncp.update();
-                    } else {
-                        cb(ncp.data);
-                    }
-                    $(headerMsgCount).removeClass("label-zero");
-                    $(headerMsgCount).removeClass("label-success");
-                    $(headerMsgCount).addClass("label-danger");
-                    $(headerMsgCount).html(nonCompliantFeatureCount.toString());
-                    if (nonCompliantFeatureCount == 1) {
-                        $(headerMsgText).html("non-compliant feature found.");
-                    } else {
-                        $(headerMsgText).html("non-compliant features found.");
-                    }
-                    $(bodyMsgForCompliance).addClass("hidden");
-                    ncp.onData(response);
-                    $(chartDiv).removeClass("hidden");
-                    $(paginationView).removeClass("hidden");
-                }
-            } else {
-                console.error("Invalid response structure found: " + JSON.stringify(response));
-            }
-        }, function () {
-            console.warn("Error accessing source for : " + gadgetConfig.id);
-        });
-};
-
-ncp.onclick = function (event, item) {
-    if (!ncp.filterContextFromURL) {
-        var filteringGroup = item.datum[ncp.config.x];
-        var url = getBaseURL() + "devices?g_" + ncp.filter_context + "=" + filteringGroup;
-        window.open(url);
-    }
-};
-
-$(document).ready(function () {
-    ncp.initialize();
-});
-
-ncp.onPaginationClicked = function (e, originalEvent, type, page) {
-    ncp.globalPage = page;
-    ncp.fromIndex = (page - 1) * ncp.count;
-    ncp.globalPage = ncp.fromIndex;
-    ncp.data = [];
-    //noinspection JSPotentiallyInvalidConstructorUsage
-    ncp.chart = new vizg(
-        [
-            {
-                "metadata": ncp.meta,
-                "data": ncp.data
-            }
-        ],
-        ncp.config
-    );
-    ncp.chart.draw("#chart", [
-        {
-            type: "click",
-            callback: ncp.onclick
-        }
-    ]);
-
-    ncp.update();
-};
-
-ncp.onData = function (response) {
-    try {
-        var allDataCount = response[0]["totalRecordCount"];
-        var totalPages = parseInt(allDataCount / ncp.count);
-        if (allDataCount % ncp.count != 0) {
-            totalPages += 1;
-        }
-        var options = {
-            currentPage: ncp.globalPage,
-            totalPages: totalPages,
-            onPageClicked: ncp.onPaginationClicked
-        };
-        $('#idPaginate').bootstrapPaginator(options);
-    } catch (e) {
-        $('#canvas').html(gadgetUtil.getErrorText(e));
-    }
-};
diff --git a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/js/topojson.js b/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/js/topojson.js
deleted file mode 100644
index 22bd067bf..000000000
--- a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/js/topojson.js
+++ /dev/null
@@ -1,534 +0,0 @@
-!function() {
-    var topojson = {
-        version: "1.6.19",
-        mesh: function(topology) { return object(topology, meshArcs.apply(this, arguments)); },
-        meshArcs: meshArcs,
-        merge: function(topology) { return object(topology, mergeArcs.apply(this, arguments)); },
-        mergeArcs: mergeArcs,
-        feature: featureOrCollection,
-        neighbors: neighbors,
-        presimplify: presimplify
-    };
-
-    function stitchArcs(topology, arcs) {
-        var stitchedArcs = {},
-            fragmentByStart = {},
-            fragmentByEnd = {},
-            fragments = [],
-            emptyIndex = -1;
-
-        // Stitch empty arcs first, since they may be subsumed by other arcs.
-        arcs.forEach(function(i, j) {
-            var arc = topology.arcs[i < 0 ? ~i : i], t;
-            if (arc.length < 3 && !arc[1][0] && !arc[1][1]) {
-                t = arcs[++emptyIndex], arcs[emptyIndex] = i, arcs[j] = t;
-            }
-        });
-
-        arcs.forEach(function(i) {
-            var e = ends(i),
-                start = e[0],
-                end = e[1],
-                f, g;
-
-            if (f = fragmentByEnd[start]) {
-                delete fragmentByEnd[f.end];
-                f.push(i);
-                f.end = end;
-                if (g = fragmentByStart[end]) {
-                    delete fragmentByStart[g.start];
-                    var fg = g === f ? f : f.concat(g);
-                    fragmentByStart[fg.start = f.start] = fragmentByEnd[fg.end = g.end] = fg;
-                } else {
-                    fragmentByStart[f.start] = fragmentByEnd[f.end] = f;
-                }
-            } else if (f = fragmentByStart[end]) {
-                delete fragmentByStart[f.start];
-                f.unshift(i);
-                f.start = start;
-                if (g = fragmentByEnd[start]) {
-                    delete fragmentByEnd[g.end];
-                    var gf = g === f ? f : g.concat(f);
-                    fragmentByStart[gf.start = g.start] = fragmentByEnd[gf.end = f.end] = gf;
-                } else {
-                    fragmentByStart[f.start] = fragmentByEnd[f.end] = f;
-                }
-            } else {
-                f = [i];
-                fragmentByStart[f.start = start] = fragmentByEnd[f.end = end] = f;
-            }
-        });
-
-        function ends(i) {
-            var arc = topology.arcs[i < 0 ? ~i : i], p0 = arc[0], p1;
-            if (topology.transform) p1 = [0, 0], arc.forEach(function(dp) { p1[0] += dp[0], p1[1] += dp[1]; });
-            else p1 = arc[arc.length - 1];
-            return i < 0 ? [p1, p0] : [p0, p1];
-        }
-
-        function flush(fragmentByEnd, fragmentByStart) {
-            for (var k in fragmentByEnd) {
-                var f = fragmentByEnd[k];
-                delete fragmentByStart[f.start];
-                delete f.start;
-                delete f.end;
-                f.forEach(function(i) { stitchedArcs[i < 0 ? ~i : i] = 1; });
-                fragments.push(f);
-            }
-        }
-
-        flush(fragmentByEnd, fragmentByStart);
-        flush(fragmentByStart, fragmentByEnd);
-        arcs.forEach(function(i) { if (!stitchedArcs[i < 0 ? ~i : i]) fragments.push([i]); });
-
-        return fragments;
-    }
-
-    function meshArcs(topology, o, filter) {
-        var arcs = [];
-
-        if (arguments.length > 1) {
-            var geomsByArc = [],
-                geom;
-
-            function arc(i) {
-                var j = i < 0 ? ~i : i;
-                (geomsByArc[j] || (geomsByArc[j] = [])).push({i: i, g: geom});
-            }
-
-            function line(arcs) {
-                arcs.forEach(arc);
-            }
-
-            function polygon(arcs) {
-                arcs.forEach(line);
-            }
-
-            function geometry(o) {
-                if (o.type === "GeometryCollection") o.geometries.forEach(geometry);
-                else if (o.type in geometryType) geom = o, geometryType[o.type](o.arcs);
-            }
-
-            var geometryType = {
-                LineString: line,
-                MultiLineString: polygon,
-                Polygon: polygon,
-                MultiPolygon: function(arcs) { arcs.forEach(polygon); }
-            };
-
-            geometry(o);
-
-            geomsByArc.forEach(arguments.length < 3
-                ? function(geoms) { arcs.push(geoms[0].i); }
-                : function(geoms) { if (filter(geoms[0].g, geoms[geoms.length - 1].g)) arcs.push(geoms[0].i); });
-        } else {
-            for (var i = 0, n = topology.arcs.length; i < n; ++i) arcs.push(i);
-        }
-
-        return {type: "MultiLineString", arcs: stitchArcs(topology, arcs)};
-    }
-
-    function mergeArcs(topology, objects) {
-        var polygonsByArc = {},
-            polygons = [],
-            components = [];
-
-        objects.forEach(function(o) {
-            if (o.type === "Polygon") register(o.arcs);
-            else if (o.type === "MultiPolygon") o.arcs.forEach(register);
-        });
-
-        function register(polygon) {
-            polygon.forEach(function(ring) {
-                ring.forEach(function(arc) {
-                    (polygonsByArc[arc = arc < 0 ? ~arc : arc] || (polygonsByArc[arc] = [])).push(polygon);
-                });
-            });
-            polygons.push(polygon);
-        }
-
-        function exterior(ring) {
-            return cartesianRingArea(object(topology, {type: "Polygon", arcs: [ring]}).coordinates[0]) > 0; // TODO allow spherical?
-        }
-
-        polygons.forEach(function(polygon) {
-            if (!polygon._) {
-                var component = [],
-                    neighbors = [polygon];
-                polygon._ = 1;
-                components.push(component);
-                while (polygon = neighbors.pop()) {
-                    component.push(polygon);
-                    polygon.forEach(function(ring) {
-                        ring.forEach(function(arc) {
-                            polygonsByArc[arc < 0 ? ~arc : arc].forEach(function(polygon) {
-                                if (!polygon._) {
-                                    polygon._ = 1;
-                                    neighbors.push(polygon);
-                                }
-                            });
-                        });
-                    });
-                }
-            }
-        });
-
-        polygons.forEach(function(polygon) {
-            delete polygon._;
-        });
-
-        return {
-            type: "MultiPolygon",
-            arcs: components.map(function(polygons) {
-                var arcs = [];
-
-                // Extract the exterior (unique) arcs.
-                polygons.forEach(function(polygon) {
-                    polygon.forEach(function(ring) {
-                        ring.forEach(function(arc) {
-                            if (polygonsByArc[arc < 0 ? ~arc : arc].length < 2) {
-                                arcs.push(arc);
-                            }
-                        });
-                    });
-                });
-
-                // Stitch the arcs into one or more rings.
-                arcs = stitchArcs(topology, arcs);
-
-                // If more than one ring is returned,
-                // at most one of these rings can be the exterior;
-                // this exterior ring has the same winding order
-                // as any exterior ring in the original polygons.
-                if ((n = arcs.length) > 1) {
-                    var sgn = exterior(polygons[0][0]);
-                    for (var i = 0, t; i < n; ++i) {
-                        if (sgn === exterior(arcs[i])) {
-                            t = arcs[0], arcs[0] = arcs[i], arcs[i] = t;
-                            break;
-                        }
-                    }
-                }
-
-                return arcs;
-            })
-        };
-    }
-
-    function featureOrCollection(topology, o) {
-        return o.type === "GeometryCollection" ? {
-            type: "FeatureCollection",
-            features: o.geometries.map(function(o) { return feature(topology, o); })
-        } : feature(topology, o);
-    }
-
-    function feature(topology, o) {
-        var f = {
-            type: "Feature",
-            id: o.id,
-            properties: o.properties || {},
-            geometry: object(topology, o)
-        };
-        if (o.id == null) delete f.id;
-        return f;
-    }
-
-    function object(topology, o) {
-        var absolute = transformAbsolute(topology.transform),
-            arcs = topology.arcs;
-
-        function arc(i, points) {
-            if (points.length) points.pop();
-            for (var a = arcs[i < 0 ? ~i : i], k = 0, n = a.length, p; k < n; ++k) {
-                points.push(p = a[k].slice());
-                absolute(p, k);
-            }
-            if (i < 0) reverse(points, n);
-        }
-
-        function point(p) {
-            p = p.slice();
-            absolute(p, 0);
-            return p;
-        }
-
-        function line(arcs) {
-            var points = [];
-            for (var i = 0, n = arcs.length; i < n; ++i) arc(arcs[i], points);
-            if (points.length < 2) points.push(points[0].slice());
-            return points;
-        }
-
-        function ring(arcs) {
-            var points = line(arcs);
-            while (points.length < 4) points.push(points[0].slice());
-            return points;
-        }
-
-        function polygon(arcs) {
-            return arcs.map(ring);
-        }
-
-        function geometry(o) {
-            var t = o.type;
-            return t === "GeometryCollection" ? {type: t, geometries: o.geometries.map(geometry)}
-                : t in geometryType ? {type: t, coordinates: geometryType[t](o)}
-                : null;
-        }
-
-        var geometryType = {
-            Point: function(o) { return point(o.coordinates); },
-            MultiPoint: function(o) { return o.coordinates.map(point); },
-            LineString: function(o) { return line(o.arcs); },
-            MultiLineString: function(o) { return o.arcs.map(line); },
-            Polygon: function(o) { return polygon(o.arcs); },
-            MultiPolygon: function(o) { return o.arcs.map(polygon); }
-        };
-
-        return geometry(o);
-    }
-
-    function reverse(array, n) {
-        var t, j = array.length, i = j - n; while (i < --j) t = array[i], array[i++] = array[j], array[j] = t;
-    }
-
-    function bisect(a, x) {
-        var lo = 0, hi = a.length;
-        while (lo < hi) {
-            var mid = lo + hi >>> 1;
-            if (a[mid] < x) lo = mid + 1;
-            else hi = mid;
-        }
-        return lo;
-    }
-
-    function neighbors(objects) {
-        var indexesByArc = {}, // arc index -> array of object indexes
-            neighbors = objects.map(function() { return []; });
-
-        function line(arcs, i) {
-            arcs.forEach(function(a) {
-                if (a < 0) a = ~a;
-                var o = indexesByArc[a];
-                if (o) o.push(i);
-                else indexesByArc[a] = [i];
-            });
-        }
-
-        function polygon(arcs, i) {
-            arcs.forEach(function(arc) { line(arc, i); });
-        }
-
-        function geometry(o, i) {
-            if (o.type === "GeometryCollection") o.geometries.forEach(function(o) { geometry(o, i); });
-            else if (o.type in geometryType) geometryType[o.type](o.arcs, i);
-        }
-
-        var geometryType = {
-            LineString: line,
-            MultiLineString: polygon,
-            Polygon: polygon,
-            MultiPolygon: function(arcs, i) { arcs.forEach(function(arc) { polygon(arc, i); }); }
-        };
-
-        objects.forEach(geometry);
-
-        for (var i in indexesByArc) {
-            for (var indexes = indexesByArc[i], m = indexes.length, j = 0; j < m; ++j) {
-                for (var k = j + 1; k < m; ++k) {
-                    var ij = indexes[j], ik = indexes[k], n;
-                    if ((n = neighbors[ij])[i = bisect(n, ik)] !== ik) n.splice(i, 0, ik);
-                    if ((n = neighbors[ik])[i = bisect(n, ij)] !== ij) n.splice(i, 0, ij);
-                }
-            }
-        }
-
-        return neighbors;
-    }
-
-    function presimplify(topology, triangleArea) {
-        var absolute = transformAbsolute(topology.transform),
-            relative = transformRelative(topology.transform),
-            heap = minAreaHeap();
-
-        if (!triangleArea) triangleArea = cartesianTriangleArea;
-
-        topology.arcs.forEach(function(arc) {
-            var triangles = [],
-                maxArea = 0,
-                triangle;
-
-            // To store each point’s effective area, we create a new array rather than
-            // extending the passed-in point to workaround a Chrome/V8 bug (getting
-            // stuck in smi mode). For midpoints, the initial effective area of
-            // Infinity will be computed in the next step.
-            for (var i = 0, n = arc.length, p; i < n; ++i) {
-                p = arc[i];
-                absolute(arc[i] = [p[0], p[1], Infinity], i);
-            }
-
-            for (var i = 1, n = arc.length - 1; i < n; ++i) {
-                triangle = arc.slice(i - 1, i + 2);
-                triangle[1][2] = triangleArea(triangle);
-                triangles.push(triangle);
-                heap.push(triangle);
-            }
-
-            for (var i = 0, n = triangles.length; i < n; ++i) {
-                triangle = triangles[i];
-                triangle.previous = triangles[i - 1];
-                triangle.next = triangles[i + 1];
-            }
-
-            while (triangle = heap.pop()) {
-                var previous = triangle.previous,
-                    next = triangle.next;
-
-                // If the area of the current point is less than that of the previous point
-                // to be eliminated, use the latter's area instead. This ensures that the
-                // current point cannot be eliminated without eliminating previously-
-                // eliminated points.
-                if (triangle[1][2] < maxArea) triangle[1][2] = maxArea;
-                else maxArea = triangle[1][2];
-
-                if (previous) {
-                    previous.next = next;
-                    previous[2] = triangle[2];
-                    update(previous);
-                }
-
-                if (next) {
-                    next.previous = previous;
-                    next[0] = triangle[0];
-                    update(next);
-                }
-            }
-
-            arc.forEach(relative);
-        });
-
-        function update(triangle) {
-            heap.remove(triangle);
-            triangle[1][2] = triangleArea(triangle);
-            heap.push(triangle);
-        }
-
-        return topology;
-    };
-
-    function cartesianRingArea(ring) {
-        var i = -1,
-            n = ring.length,
-            a,
-            b = ring[n - 1],
-            area = 0;
-
-        while (++i < n) {
-            a = b;
-            b = ring[i];
-            area += a[0] * b[1] - a[1] * b[0];
-        }
-
-        return area * .5;
-    }
-
-    function cartesianTriangleArea(triangle) {
-        var a = triangle[0], b = triangle[1], c = triangle[2];
-        return Math.abs((a[0] - c[0]) * (b[1] - a[1]) - (a[0] - b[0]) * (c[1] - a[1]));
-    }
-
-    function compareArea(a, b) {
-        return a[1][2] - b[1][2];
-    }
-
-    function minAreaHeap() {
-        var heap = {},
-            array = [],
-            size = 0;
-
-        heap.push = function(object) {
-            up(array[object._ = size] = object, size++);
-            return size;
-        };
-
-        heap.pop = function() {
-            if (size <= 0) return;
-            var removed = array[0], object;
-            if (--size > 0) object = array[size], down(array[object._ = 0] = object, 0);
-            return removed;
-        };
-
-        heap.remove = function(removed) {
-            var i = removed._, object;
-            if (array[i] !== removed) return; // invalid request
-            if (i !== --size) object = array[size], (compareArea(object, removed) < 0 ? up : down)(array[object._ = i] = object, i);
-            return i;
-        };
-
-        function up(object, i) {
-            while (i > 0) {
-                var j = ((i + 1) >> 1) - 1,
-                    parent = array[j];
-                if (compareArea(object, parent) >= 0) break;
-                array[parent._ = i] = parent;
-                array[object._ = i = j] = object;
-            }
-        }
-
-        function down(object, i) {
-            while (true) {
-                var r = (i + 1) << 1,
-                    l = r - 1,
-                    j = i,
-                    child = array[j];
-                if (l < size && compareArea(array[l], child) < 0) child = array[j = l];
-                if (r < size && compareArea(array[r], child) < 0) child = array[j = r];
-                if (j === i) break;
-                array[child._ = i] = child;
-                array[object._ = i = j] = object;
-            }
-        }
-
-        return heap;
-    }
-
-    function transformAbsolute(transform) {
-        if (!transform) return noop;
-        var x0,
-            y0,
-            kx = transform.scale[0],
-            ky = transform.scale[1],
-            dx = transform.translate[0],
-            dy = transform.translate[1];
-        return function(point, i) {
-            if (!i) x0 = y0 = 0;
-            point[0] = (x0 += point[0]) * kx + dx;
-            point[1] = (y0 += point[1]) * ky + dy;
-        };
-    }
-
-    function transformRelative(transform) {
-        if (!transform) return noop;
-        var x0,
-            y0,
-            kx = transform.scale[0],
-            ky = transform.scale[1],
-            dx = transform.translate[0],
-            dy = transform.translate[1];
-        return function(point, i) {
-            if (!i) x0 = y0 = 0;
-            var x1 = (point[0] - dx) / kx | 0,
-                y1 = (point[1] - dy) / ky | 0;
-            point[0] = x1 - x0;
-            point[1] = y1 - y0;
-            x0 = x1;
-            y0 = y1;
-        };
-    }
-
-    function noop() {}
-
-    if (typeof define === "function" && define.amd) define(topojson);
-    else if (typeof module === "object" && module.exports) module.exports = topojson;
-    else this.topojson = topojson;
-}();
diff --git a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/js/vega.js b/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/js/vega.js
deleted file mode 100644
index f6ea10dad..000000000
--- a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_non_compliant_features_gadget/non-compliant-features/js/vega.js
+++ /dev/null
@@ -1,20654 +0,0 @@
-(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.vg = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
-module.exports = {
-  version: '2.3.1',
-  dataflow: require('vega-dataflow'),
-  parse: require('./src/parse/'),
-  scene: {
-    Bounder: require('./src/scene/Bounder'),
-    Builder: require('./src/scene/Builder'),
-    Encoder: require('./src/scene/Encoder'),
-    GroupBuilder: require('./src/scene/GroupBuilder'),
-  },
-  transforms: require('./src/transforms'),
-  Transform: require('./src/transforms/Transform'),
-  BatchTransform: require('./src/transforms/BatchTransform'),
-  Parameter: require('./src/transforms/Parameter'),
-  schema: require('./src/core/schema'),
-  config: require('./src/core/config'),
-  util:  require('datalib'),
-  debug: require('vega-logging').debug
-};
-},{"./src/core/config":90,"./src/core/schema":91,"./src/parse/":97,"./src/scene/Bounder":109,"./src/scene/Builder":110,"./src/scene/Encoder":111,"./src/scene/GroupBuilder":112,"./src/transforms":144,"./src/transforms/BatchTransform":119,"./src/transforms/Parameter":135,"./src/transforms/Transform":139,"datalib":26,"vega-dataflow":41,"vega-logging":47}],2:[function(require,module,exports){
-
-},{}],3:[function(require,module,exports){
-// Word cloud layout by Jason Davies, https://www.jasondavies.com/wordcloud/
-// Algorithm due to Jonathan Feinberg, http://static.mrfeinberg.com/bv_ch03.pdf
-
-var dispatch = require("d3-dispatch").dispatch;
-
-var cloudRadians = Math.PI / 180,
-    cw = 1 << 11 >> 5,
-    ch = 1 << 11;
-
-module.exports = function() {
-  var size = [256, 256],
-      text = cloudText,
-      font = cloudFont,
-      fontSize = cloudFontSize,
-      fontStyle = cloudFontNormal,
-      fontWeight = cloudFontNormal,
-      rotate = cloudRotate,
-      padding = cloudPadding,
-      spiral = archimedeanSpiral,
-      words = [],
-      timeInterval = Infinity,
-      event = dispatch("word", "end"),
-      timer = null,
-      random = Math.random,
-      cloud = {},
-      canvas = cloudCanvas;
-
-  cloud.canvas = function(_) {
-    return arguments.length ? (canvas = functor(_), cloud) : canvas;
-  };
-
-  cloud.start = function() {
-    var contextAndRatio = getContext(canvas()),
-        board = zeroArray((size[0] >> 5) * size[1]),
-        bounds = null,
-        n = words.length,
-        i = -1,
-        tags = [],
-        data = words.map(function(d, i) {
-          d.text = text.call(this, d, i);
-          d.font = font.call(this, d, i);
-          d.style = fontStyle.call(this, d, i);
-          d.weight = fontWeight.call(this, d, i);
-          d.rotate = rotate.call(this, d, i);
-          d.size = ~~fontSize.call(this, d, i);
-          d.padding = padding.call(this, d, i);
-          return d;
-        }).sort(function(a, b) { return b.size - a.size; });
-
-    if (timer) clearInterval(timer);
-    timer = setInterval(step, 0);
-    step();
-
-    return cloud;
-
-    function step() {
-      var start = Date.now();
-      while (Date.now() - start < timeInterval && ++i < n && timer) {
-        var d = data[i];
-        d.x = (size[0] * (random() + .5)) >> 1;
-        d.y = (size[1] * (random() + .5)) >> 1;
-        cloudSprite(contextAndRatio, d, data, i);
-        if (d.hasText && place(board, d, bounds)) {
-          tags.push(d);
-          event.word(d);
-          if (bounds) cloudBounds(bounds, d);
-          else bounds = [{x: d.x + d.x0, y: d.y + d.y0}, {x: d.x + d.x1, y: d.y + d.y1}];
-          // Temporary hack
-          d.x -= size[0] >> 1;
-          d.y -= size[1] >> 1;
-        }
-      }
-      if (i >= n) {
-        cloud.stop();
-        event.end(tags, bounds);
-      }
-    }
-  }
-
-  cloud.stop = function() {
-    if (timer) {
-      clearInterval(timer);
-      timer = null;
-    }
-    return cloud;
-  };
-
-  function getContext(canvas) {
-    canvas.width = canvas.height = 1;
-    var ratio = Math.sqrt(canvas.getContext("2d").getImageData(0, 0, 1, 1).data.length >> 2);
-    canvas.width = (cw << 5) / ratio;
-    canvas.height = ch / ratio;
-
-    var context = canvas.getContext("2d");
-    context.fillStyle = context.strokeStyle = "red";
-    context.textAlign = "center";
-
-    return {context: context, ratio: ratio};
-  }
-
-  function place(board, tag, bounds) {
-    var perimeter = [{x: 0, y: 0}, {x: size[0], y: size[1]}],
-        startX = tag.x,
-        startY = tag.y,
-        maxDelta = Math.sqrt(size[0] * size[0] + size[1] * size[1]),
-        s = spiral(size),
-        dt = random() < .5 ? 1 : -1,
-        t = -dt,
-        dxdy,
-        dx,
-        dy;
-
-    while (dxdy = s(t += dt)) {
-      dx = ~~dxdy[0];
-      dy = ~~dxdy[1];
-
-      if (Math.min(Math.abs(dx), Math.abs(dy)) >= maxDelta) break;
-
-      tag.x = startX + dx;
-      tag.y = startY + dy;
-
-      if (tag.x + tag.x0 < 0 || tag.y + tag.y0 < 0 ||
-          tag.x + tag.x1 > size[0] || tag.y + tag.y1 > size[1]) continue;
-      // TODO only check for collisions within current bounds.
-      if (!bounds || !cloudCollide(tag, board, size[0])) {
-        if (!bounds || collideRects(tag, bounds)) {
-          var sprite = tag.sprite,
-              w = tag.width >> 5,
-              sw = size[0] >> 5,
-              lx = tag.x - (w << 4),
-              sx = lx & 0x7f,
-              msx = 32 - sx,
-              h = tag.y1 - tag.y0,
-              x = (tag.y + tag.y0) * sw + (lx >> 5),
-              last;
-          for (var j = 0; j < h; j++) {
-            last = 0;
-            for (var i = 0; i <= w; i++) {
-              board[x + i] |= (last << msx) | (i < w ? (last = sprite[j * w + i]) >>> sx : 0);
-            }
-            x += sw;
-          }
-          delete tag.sprite;
-          return true;
-        }
-      }
-    }
-    return false;
-  }
-
-  cloud.timeInterval = function(_) {
-    return arguments.length ? (timeInterval = _ == null ? Infinity : _, cloud) : timeInterval;
-  };
-
-  cloud.words = function(_) {
-    return arguments.length ? (words = _, cloud) : words;
-  };
-
-  cloud.size = function(_) {
-    return arguments.length ? (size = [+_[0], +_[1]], cloud) : size;
-  };
-
-  cloud.font = function(_) {
-    return arguments.length ? (font = functor(_), cloud) : font;
-  };
-
-  cloud.fontStyle = function(_) {
-    return arguments.length ? (fontStyle = functor(_), cloud) : fontStyle;
-  };
-
-  cloud.fontWeight = function(_) {
-    return arguments.length ? (fontWeight = functor(_), cloud) : fontWeight;
-  };
-
-  cloud.rotate = function(_) {
-    return arguments.length ? (rotate = functor(_), cloud) : rotate;
-  };
-
-  cloud.text = function(_) {
-    return arguments.length ? (text = functor(_), cloud) : text;
-  };
-
-  cloud.spiral = function(_) {
-    return arguments.length ? (spiral = spirals[_] || _, cloud) : spiral;
-  };
-
-  cloud.fontSize = function(_) {
-    return arguments.length ? (fontSize = functor(_), cloud) : fontSize;
-  };
-
-  cloud.padding = function(_) {
-    return arguments.length ? (padding = functor(_), cloud) : padding;
-  };
-
-  cloud.random = function(_) {
-    return arguments.length ? (random = _, cloud) : random;
-  };
-
-  cloud.on = function() {
-    var value = event.on.apply(event, arguments);
-    return value === event ? cloud : value;
-  };
-
-  return cloud;
-};
-
-function cloudText(d) {
-  return d.text;
-}
-
-function cloudFont() {
-  return "serif";
-}
-
-function cloudFontNormal() {
-  return "normal";
-}
-
-function cloudFontSize(d) {
-  return Math.sqrt(d.value);
-}
-
-function cloudRotate() {
-  return (~~(Math.random() * 6) - 3) * 30;
-}
-
-function cloudPadding() {
-  return 1;
-}
-
-// Fetches a monochrome sprite bitmap for the specified text.
-// Load in batches for speed.
-function cloudSprite(contextAndRatio, d, data, di) {
-  if (d.sprite) return;
-  var c = contextAndRatio.context,
-      ratio = contextAndRatio.ratio;
-
-  c.clearRect(0, 0, (cw << 5) / ratio, ch / ratio);
-  var x = 0,
-      y = 0,
-      maxh = 0,
-      n = data.length;
-  --di;
-  while (++di < n) {
-    d = data[di];
-    c.save();
-    c.font = d.style + " " + d.weight + " " + ~~((d.size + 1) / ratio) + "px " + d.font;
-    var w = c.measureText(d.text + "m").width * ratio,
-        h = d.size << 1;
-    if (d.rotate) {
-      var sr = Math.sin(d.rotate * cloudRadians),
-          cr = Math.cos(d.rotate * cloudRadians),
-          wcr = w * cr,
-          wsr = w * sr,
-          hcr = h * cr,
-          hsr = h * sr;
-      w = (Math.max(Math.abs(wcr + hsr), Math.abs(wcr - hsr)) + 0x1f) >> 5 << 5;
-      h = ~~Math.max(Math.abs(wsr + hcr), Math.abs(wsr - hcr));
-    } else {
-      w = (w + 0x1f) >> 5 << 5;
-    }
-    if (h > maxh) maxh = h;
-    if (x + w >= (cw << 5)) {
-      x = 0;
-      y += maxh;
-      maxh = 0;
-    }
-    if (y + h >= ch) break;
-    c.translate((x + (w >> 1)) / ratio, (y + (h >> 1)) / ratio);
-    if (d.rotate) c.rotate(d.rotate * cloudRadians);
-    c.fillText(d.text, 0, 0);
-    if (d.padding) c.lineWidth = 2 * d.padding, c.strokeText(d.text, 0, 0);
-    c.restore();
-    d.width = w;
-    d.height = h;
-    d.xoff = x;
-    d.yoff = y;
-    d.x1 = w >> 1;
-    d.y1 = h >> 1;
-    d.x0 = -d.x1;
-    d.y0 = -d.y1;
-    d.hasText = true;
-    x += w;
-  }
-  var pixels = c.getImageData(0, 0, (cw << 5) / ratio, ch / ratio).data,
-      sprite = [];
-  while (--di >= 0) {
-    d = data[di];
-    if (!d.hasText) continue;
-    var w = d.width,
-        w32 = w >> 5,
-        h = d.y1 - d.y0;
-    // Zero the buffer
-    for (var i = 0; i < h * w32; i++) sprite[i] = 0;
-    x = d.xoff;
-    if (x == null) return;
-    y = d.yoff;
-    var seen = 0,
-        seenRow = -1;
-    for (var j = 0; j < h; j++) {
-      for (var i = 0; i < w; i++) {
-        var k = w32 * j + (i >> 5),
-            m = pixels[((y + j) * (cw << 5) + (x + i)) << 2] ? 1 << (31 - (i % 32)) : 0;
-        sprite[k] |= m;
-        seen |= m;
-      }
-      if (seen) seenRow = j;
-      else {
-        d.y0++;
-        h--;
-        j--;
-        y++;
-      }
-    }
-    d.y1 = d.y0 + seenRow;
-    d.sprite = sprite.slice(0, (d.y1 - d.y0) * w32);
-  }
-}
-
-// Use mask-based collision detection.
-function cloudCollide(tag, board, sw) {
-  sw >>= 5;
-  var sprite = tag.sprite,
-      w = tag.width >> 5,
-      lx = tag.x - (w << 4),
-      sx = lx & 0x7f,
-      msx = 32 - sx,
-      h = tag.y1 - tag.y0,
-      x = (tag.y + tag.y0) * sw + (lx >> 5),
-      last;
-  for (var j = 0; j < h; j++) {
-    last = 0;
-    for (var i = 0; i <= w; i++) {
-      if (((last << msx) | (i < w ? (last = sprite[j * w + i]) >>> sx : 0))
-          & board[x + i]) return true;
-    }
-    x += sw;
-  }
-  return false;
-}
-
-function cloudBounds(bounds, d) {
-  var b0 = bounds[0],
-      b1 = bounds[1];
-  if (d.x + d.x0 < b0.x) b0.x = d.x + d.x0;
-  if (d.y + d.y0 < b0.y) b0.y = d.y + d.y0;
-  if (d.x + d.x1 > b1.x) b1.x = d.x + d.x1;
-  if (d.y + d.y1 > b1.y) b1.y = d.y + d.y1;
-}
-
-function collideRects(a, b) {
-  return a.x + a.x1 > b[0].x && a.x + a.x0 < b[1].x && a.y + a.y1 > b[0].y && a.y + a.y0 < b[1].y;
-}
-
-function archimedeanSpiral(size) {
-  var e = size[0] / size[1];
-  return function(t) {
-    return [e * (t *= .1) * Math.cos(t), t * Math.sin(t)];
-  };
-}
-
-function rectangularSpiral(size) {
-  var dy = 4,
-      dx = dy * size[0] / size[1],
-      x = 0,
-      y = 0;
-  return function(t) {
-    var sign = t < 0 ? -1 : 1;
-    // See triangular numbers: T_n = n * (n + 1) / 2.
-    switch ((Math.sqrt(1 + 4 * sign * t) - sign) & 3) {
-      case 0:  x += dx; break;
-      case 1:  y += dy; break;
-      case 2:  x -= dx; break;
-      default: y -= dy; break;
-    }
-    return [x, y];
-  };
-}
-
-// TODO reuse arrays?
-function zeroArray(n) {
-  var a = [],
-      i = -1;
-  while (++i < n) a[i] = 0;
-  return a;
-}
-
-function cloudCanvas() {
-  return document.createElement("canvas");
-}
-
-function functor(d) {
-  return typeof d === "function" ? d : function() { return d; };
-}
-
-var spirals = {
-  archimedean: archimedeanSpiral,
-  rectangular: rectangularSpiral
-};
-
-},{"d3-dispatch":4}],4:[function(require,module,exports){
-(function (global, factory) {
-  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
-  typeof define === 'function' && define.amd ? define('d3-dispatch', ['exports'], factory) :
-  factory((global.d3_dispatch = {}));
-}(this, function (exports) { 'use strict';
-
-  function dispatch() {
-    return new Dispatch(arguments);
-  }
-
-  function Dispatch(types) {
-    var i = -1,
-        n = types.length,
-        callbacksByType = {},
-        callbackByName = {},
-        type,
-        that = this;
-
-    that.on = function(type, callback) {
-      type = parseType(type);
-
-      // Return the current callback, if any.
-      if (arguments.length < 2) {
-        return (callback = callbackByName[type.name]) && callback.value;
-      }
-
-      // If a type was specified…
-      if (type.type) {
-        var callbacks = callbacksByType[type.type],
-            callback0 = callbackByName[type.name],
-            i;
-
-        // Remove the current callback, if any, using copy-on-remove.
-        if (callback0) {
-          callback0.value = null;
-          i = callbacks.indexOf(callback0);
-          callbacksByType[type.type] = callbacks = callbacks.slice(0, i).concat(callbacks.slice(i + 1));
-          delete callbackByName[type.name];
-        }
-
-        // Add the new callback, if any.
-        if (callback) {
-          callback = {value: callback};
-          callbackByName[type.name] = callback;
-          callbacks.push(callback);
-        }
-      }
-
-      // Otherwise, if a null callback was specified, remove all callbacks with the given name.
-      else if (callback == null) {
-        for (var otherType in callbacksByType) {
-          if (callback = callbackByName[otherType + type.name]) {
-            callback.value = null;
-            var callbacks = callbacksByType[otherType], i = callbacks.indexOf(callback);
-            callbacksByType[otherType] = callbacks.slice(0, i).concat(callbacks.slice(i + 1));
-            delete callbackByName[callback.name];
-          }
-        }
-      }
-
-      return that;
-    };
-
-    while (++i < n) {
-      type = types[i] + "";
-      if (!type || (type in that)) throw new Error("illegal or duplicate type: " + type);
-      callbacksByType[type] = [];
-      that[type] = applier(type);
-    }
-
-    function parseType(type) {
-      var i = (type += "").indexOf("."), name = type;
-      if (i >= 0) type = type.slice(0, i); else name += ".";
-      if (type && !callbacksByType.hasOwnProperty(type)) throw new Error("unknown type: " + type);
-      return {type: type, name: name};
-    }
-
-    function applier(type) {
-      return function() {
-        var callbacks = callbacksByType[type], // Defensive reference; copy-on-remove.
-            callback,
-            callbackValue,
-            i = -1,
-            n = callbacks.length;
-
-        while (++i < n) {
-          if (callbackValue = (callback = callbacks[i]).value) {
-            callbackValue.apply(this, arguments);
-          }
-        }
-
-        return that;
-      };
-    }
-  }
-
-  dispatch.prototype = Dispatch.prototype;
-
-  var version = "0.2.4";
-
-  exports.version = version;
-  exports.dispatch = dispatch;
-
-}));
-},{}],5:[function(require,module,exports){
-(function (global, factory) {
-  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
-  typeof define === 'function' && define.amd ? define('d3-dsv', ['exports'], factory) :
-  factory((global.d3_dsv = {}));
-}(this, function (exports) { 'use strict';
-
-  function dsv(delimiter) {
-    return new Dsv(delimiter);
-  }
-
-  function Dsv(delimiter) {
-    var reFormat = new RegExp("[\"" + delimiter + "\n]"),
-        delimiterCode = delimiter.charCodeAt(0);
-
-    this.parse = function(text, f) {
-      var o;
-      return this.parseRows(text, function(row, i) {
-        if (o) return o(row, i - 1);
-        var a = new Function("d", "return {" + row.map(function(name, i) {
-          return JSON.stringify(name) + ": d[" + i + "]";
-        }).join(",") + "}");
-        o = f ? function(row, i) { return f(a(row), i); } : a;
-      });
-    };
-
-    this.parseRows = function(text, f) {
-      var EOL = {}, // sentinel value for end-of-line
-          EOF = {}, // sentinel value for end-of-file
-          rows = [], // output rows
-          N = text.length,
-          I = 0, // current character index
-          n = 0, // the current line number
-          t, // the current token
-          eol; // is the current token followed by EOL?
-
-      function token() {
-        if (I >= N) return EOF; // special case: end of file
-        if (eol) return eol = false, EOL; // special case: end of line
-
-        // special case: quotes
-        var j = I;
-        if (text.charCodeAt(j) === 34) {
-          var i = j;
-          while (i++ < N) {
-            if (text.charCodeAt(i) === 34) {
-              if (text.charCodeAt(i + 1) !== 34) break;
-              ++i;
-            }
-          }
-          I = i + 2;
-          var c = text.charCodeAt(i + 1);
-          if (c === 13) {
-            eol = true;
-            if (text.charCodeAt(i + 2) === 10) ++I;
-          } else if (c === 10) {
-            eol = true;
-          }
-          return text.slice(j + 1, i).replace(/""/g, "\"");
-        }
-
-        // common case: find next delimiter or newline
-        while (I < N) {
-          var c = text.charCodeAt(I++), k = 1;
-          if (c === 10) eol = true; // \n
-          else if (c === 13) { eol = true; if (text.charCodeAt(I) === 10) ++I, ++k; } // \r|\r\n
-          else if (c !== delimiterCode) continue;
-          return text.slice(j, I - k);
-        }
-
-        // special case: last token before EOF
-        return text.slice(j);
-      }
-
-      while ((t = token()) !== EOF) {
-        var a = [];
-        while (t !== EOL && t !== EOF) {
-          a.push(t);
-          t = token();
-        }
-        if (f && (a = f(a, n++)) == null) continue;
-        rows.push(a);
-      }
-
-      return rows;
-    }
-
-    this.format = function(rows) {
-      if (Array.isArray(rows[0])) return this.formatRows(rows); // deprecated; use formatRows
-      var fieldSet = Object.create(null), fields = [];
-
-      // Compute unique fields in order of discovery.
-      rows.forEach(function(row) {
-        for (var field in row) {
-          if (!((field += "") in fieldSet)) {
-            fields.push(fieldSet[field] = field);
-          }
-        }
-      });
-
-      return [fields.map(formatValue).join(delimiter)].concat(rows.map(function(row) {
-        return fields.map(function(field) {
-          return formatValue(row[field]);
-        }).join(delimiter);
-      })).join("\n");
-    };
-
-    this.formatRows = function(rows) {
-      return rows.map(formatRow).join("\n");
-    };
-
-    function formatRow(row) {
-      return row.map(formatValue).join(delimiter);
-    }
-
-    function formatValue(text) {
-      return reFormat.test(text) ? "\"" + text.replace(/\"/g, "\"\"") + "\"" : text;
-    }
-  };
-
-  dsv.prototype = Dsv.prototype;
-
-  var csv = dsv(",");
-  var tsv = dsv("\t");
-
-  var version = "0.1.9";
-
-  exports.version = version;
-  exports.dsv = dsv;
-  exports.csv = csv;
-  exports.tsv = tsv;
-
-}));
-},{}],6:[function(require,module,exports){
-(function (global, factory) {
-  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
-  typeof define === 'function' && define.amd ? define('d3-format', ['exports'], factory) :
-  factory((global.d3_format = {}));
-}(this, function (exports) { 'use strict';
-
-  var zhCn = {
-    decimal: ".",
-    thousands: ",",
-    grouping: [3],
-    currency: ["¥", ""]
-  };
-
-  var svSe = {
-    decimal: ",",
-    thousands: "\xa0",
-    grouping: [3],
-    currency: ["", "SEK"]
-  };
-
-  var ruRu = {
-    decimal: ",",
-    thousands: "\xa0",
-    grouping: [3],
-    currency: ["", "\xa0руб."]
-  };
-
-  var ptBr = {
-    decimal: ",",
-    thousands: ".",
-    grouping: [3],
-    currency: ["R$", ""]
-  };
-
-  var plPl = {
-    decimal: ",",
-    thousands: ".",
-    grouping: [3],
-    currency: ["", "zł"]
-  };
-
-  var nlNl = {
-    decimal: ",",
-    thousands: ".",
-    grouping: [3],
-    currency: ["€\xa0", ""]
-  };
-
-  var mkMk = {
-    decimal: ",",
-    thousands: ".",
-    grouping: [3],
-    currency: ["", "\xa0ден."]
-  };
-
-  var koKr = {
-    decimal: ".",
-    thousands: ",",
-    grouping: [3],
-    currency: ["₩", ""]
-  };
-
-  var jaJp = {
-    decimal: ".",
-    thousands: ",",
-    grouping: [3],
-    currency: ["", "円"]
-  };
-
-  var itIt = {
-    decimal: ",",
-    thousands: ".",
-    grouping: [3],
-    currency: ["€", ""]
-  };
-
-  var huHu = {
-    decimal: ",",
-    thousands: "\xa0",
-    grouping: [3],
-    currency: ["", "\xa0Ft"]
-  };
-
-  var heIl = {
-    decimal: ".",
-    thousands: ",",
-    grouping: [3],
-    currency: ["₪", ""]
-  };
-
-  var frFr = {
-    decimal: ",",
-    thousands: ".",
-    grouping: [3],
-    currency: ["", "\xa0€"]
-  };
-
-  var frCa = {
-    decimal: ",",
-    thousands: "\xa0",
-    grouping: [3],
-    currency: ["", "$"]
-  };
-
-  var fiFi = {
-    decimal: ",",
-    thousands: "\xa0",
-    grouping: [3],
-    currency: ["", "\xa0€"]
-  };
-
-  var esEs = {
-    decimal: ",",
-    thousands: ".",
-    grouping: [3],
-    currency: ["", "\xa0€"]
-  };
-
-  var enUs = {
-    decimal: ".",
-    thousands: ",",
-    grouping: [3],
-    currency: ["$", ""]
-  };
-
-  var enGb = {
-    decimal: ".",
-    thousands: ",",
-    grouping: [3],
-    currency: ["£", ""]
-  };
-
-  var enCa = {
-    decimal: ".",
-    thousands: ",",
-    grouping: [3],
-    currency: ["$", ""]
-  };
-
-  var deDe = {
-    decimal: ",",
-    thousands: ".",
-    grouping: [3],
-    currency: ["", "\xa0€"]
-  };
-
-  var deCh = {
-    decimal: ",",
-    thousands: "'",
-    grouping: [3],
-    currency: ["", "\xa0CHF"]
-  };
-
-  var caEs = {
-    decimal: ",",
-    thousands: ".",
-    grouping: [3],
-    currency: ["", "\xa0€"]
-  };
-
-  // Computes the decimal coefficient and exponent of the specified number x with
-  // significant digits p, where x is positive and p is in [1, 21] or undefined.
-  // For example, formatDecimal(1.23) returns ["123", 0].
-  function formatDecimal(x, p) {
-    if ((i = (x = p ? x.toExponential(p - 1) : x.toExponential()).indexOf("e")) < 0) return null; // NaN, ±Infinity
-    var i, coefficient = x.slice(0, i);
-
-    // The string returned by toExponential either has the form \d\.\d+e[-+]\d+
-    // (e.g., 1.2e+3) or the form \de[-+]\d+ (e.g., 1e+3).
-    return [
-      coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient,
-      +x.slice(i + 1)
-    ];
-  };
-
-  function exponent(x) {
-    return x = formatDecimal(Math.abs(x)), x ? x[1] : NaN;
-  };
-
-  function formatGroup(grouping, thousands) {
-    return function(value, width) {
-      var i = value.length,
-          t = [],
-          j = 0,
-          g = grouping[0],
-          length = 0;
-
-      while (i > 0 && g > 0) {
-        if (length + g + 1 > width) g = Math.max(1, width - length);
-        t.push(value.substring(i -= g, i + g));
-        if ((length += g + 1) > width) break;
-        g = grouping[j = (j + 1) % grouping.length];
-      }
-
-      return t.reverse().join(thousands);
-    };
-  };
-
-  var prefixExponent;
-
-  function formatPrefixAuto(x, p) {
-    var d = formatDecimal(x, p);
-    if (!d) return x + "";
-    var coefficient = d[0],
-        exponent = d[1],
-        i = exponent - (prefixExponent = Math.max(-8, Math.min(8, Math.floor(exponent / 3))) * 3) + 1,
-        n = coefficient.length;
-    return i === n ? coefficient
-        : i > n ? coefficient + new Array(i - n + 1).join("0")
-        : i > 0 ? coefficient.slice(0, i) + "." + coefficient.slice(i)
-        : "0." + new Array(1 - i).join("0") + formatDecimal(x, Math.max(0, p + i - 1))[0]; // less than 1y!
-  };
-
-  function formatRounded(x, p) {
-    var d = formatDecimal(x, p);
-    if (!d) return x + "";
-    var coefficient = d[0],
-        exponent = d[1];
-    return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient
-        : coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1)
-        : coefficient + new Array(exponent - coefficient.length + 2).join("0");
-  };
-
-  function formatDefault(x, p) {
-    x = x.toPrecision(p);
-
-    out: for (var n = x.length, i = 1, i0 = -1, i1; i < n; ++i) {
-      switch (x[i]) {
-        case ".": i0 = i1 = i; break;
-        case "0": if (i0 === 0) i0 = i; i1 = i; break;
-        case "e": break out;
-        default: if (i0 > 0) i0 = 0; break;
-      }
-    }
-
-    return i0 > 0 ? x.slice(0, i0) + x.slice(i1 + 1) : x;
-  };
-
-  var formatTypes = {
-    "": formatDefault,
-    "%": function(x, p) { return (x * 100).toFixed(p); },
-    "b": function(x) { return Math.round(x).toString(2); },
-    "c": function(x) { return x + ""; },
-    "d": function(x) { return Math.round(x).toString(10); },
-    "e": function(x, p) { return x.toExponential(p); },
-    "f": function(x, p) { return x.toFixed(p); },
-    "g": function(x, p) { return x.toPrecision(p); },
-    "o": function(x) { return Math.round(x).toString(8); },
-    "p": function(x, p) { return formatRounded(x * 100, p); },
-    "r": formatRounded,
-    "s": formatPrefixAuto,
-    "X": function(x) { return Math.round(x).toString(16).toUpperCase(); },
-    "x": function(x) { return Math.round(x).toString(16); }
-  };
-
-  // [[fill]align][sign][symbol][0][width][,][.precision][type]
-  var re = /^(?:(.)?([<>=^]))?([+\-\( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?([a-z%])?$/i;
-
-  function formatSpecifier(specifier) {
-    return new FormatSpecifier(specifier);
-  };
-
-  function FormatSpecifier(specifier) {
-    if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier);
-
-    var match,
-        fill = match[1] || " ",
-        align = match[2] || ">",
-        sign = match[3] || "-",
-        symbol = match[4] || "",
-        zero = !!match[5],
-        width = match[6] && +match[6],
-        comma = !!match[7],
-        precision = match[8] && +match[8].slice(1),
-        type = match[9] || "";
-
-    // The "n" type is an alias for ",g".
-    if (type === "n") comma = true, type = "g";
-
-    // Map invalid types to the default format.
-    else if (!formatTypes[type]) type = "";
-
-    // If zero fill is specified, padding goes after sign and before digits.
-    if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "=";
-
-    this.fill = fill;
-    this.align = align;
-    this.sign = sign;
-    this.symbol = symbol;
-    this.zero = zero;
-    this.width = width;
-    this.comma = comma;
-    this.precision = precision;
-    this.type = type;
-  }
-
-  FormatSpecifier.prototype.toString = function() {
-    return this.fill
-        + this.align
-        + this.sign
-        + this.symbol
-        + (this.zero ? "0" : "")
-        + (this.width == null ? "" : Math.max(1, this.width | 0))
-        + (this.comma ? "," : "")
-        + (this.precision == null ? "" : "." + Math.max(0, this.precision | 0))
-        + this.type;
-  };
-
-  var prefixes = ["y","z","a","f","p","n","µ","m","","k","M","G","T","P","E","Z","Y"];
-
-  function identity(x) {
-    return x;
-  }
-
-  function locale(locale) {
-    var group = locale.grouping && locale.thousands ? formatGroup(locale.grouping, locale.thousands) : identity,
-        currency = locale.currency,
-        decimal = locale.decimal;
-
-    function format(specifier) {
-      specifier = formatSpecifier(specifier);
-
-      var fill = specifier.fill,
-          align = specifier.align,
-          sign = specifier.sign,
-          symbol = specifier.symbol,
-          zero = specifier.zero,
-          width = specifier.width,
-          comma = specifier.comma,
-          precision = specifier.precision,
-          type = specifier.type;
-
-      // Compute the prefix and suffix.
-      // For SI-prefix, the suffix is lazily computed.
-      var prefix = symbol === "$" ? currency[0] : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "",
-          suffix = symbol === "$" ? currency[1] : /[%p]/.test(type) ? "%" : "";
-
-      // What format function should we use?
-      // Is this an integer type?
-      // Can this type generate exponential notation?
-      var formatType = formatTypes[type],
-          maybeSuffix = !type || /[defgprs%]/.test(type);
-
-      // Set the default precision if not specified,
-      // or clamp the specified precision to the supported range.
-      // For significant precision, it must be in [1, 21].
-      // For fixed precision, it must be in [0, 20].
-      precision = precision == null ? (type ? 6 : 12)
-          : /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision))
-          : Math.max(0, Math.min(20, precision));
-
-      return function(value) {
-        var valuePrefix = prefix,
-            valueSuffix = suffix;
-
-        if (type === "c") {
-          valueSuffix = formatType(value) + valueSuffix;
-          value = "";
-        } else {
-          value = +value;
-
-          // Convert negative to positive, and compute the prefix.
-          // Note that -0 is not less than 0, but 1 / -0 is!
-          var valueNegative = (value < 0 || 1 / value < 0) && (value *= -1, true);
-
-          // Perform the initial formatting.
-          value = formatType(value, precision);
-
-          // If the original value was negative, it may be rounded to zero during
-          // formatting; treat this as (positive) zero.
-          if (valueNegative) {
-            var i = -1, n = value.length, c;
-            valueNegative = false;
-            while (++i < n) {
-              if (c = value.charCodeAt(i), (48 < c && c < 58)
-                  || (type === "x" && 96 < c && c < 103)
-                  || (type === "X" && 64 < c && c < 71)) {
-                valueNegative = true;
-                break;
-              }
-            }
-          }
-
-          // Compute the prefix and suffix.
-          valuePrefix = (valueNegative ? (sign === "(" ? sign : "-") : sign === "-" || sign === "(" ? "" : sign) + valuePrefix;
-          valueSuffix = valueSuffix + (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + (valueNegative && sign === "(" ? ")" : "");
-
-          // Break the formatted value into the integer “value” part that can be
-          // grouped, and fractional or exponential “suffix” part that is not.
-          if (maybeSuffix) {
-            var i = -1, n = value.length, c;
-            while (++i < n) {
-              if (c = value.charCodeAt(i), 48 > c || c > 57) {
-                valueSuffix = (c === 46 ? decimal + value.slice(i + 1) : value.slice(i)) + valueSuffix;
-                value = value.slice(0, i);
-                break;
-              }
-            }
-          }
-        }
-
-        // If the fill character is not "0", grouping is applied before padding.
-        if (comma && !zero) value = group(value, Infinity);
-
-        // Compute the padding.
-        var length = valuePrefix.length + value.length + valueSuffix.length,
-            padding = length < width ? new Array(width - length + 1).join(fill) : "";
-
-        // If the fill character is "0", grouping is applied after padding.
-        if (comma && zero) value = group(padding + value, padding.length ? width - valueSuffix.length : Infinity), padding = "";
-
-        // Reconstruct the final output based on the desired alignment.
-        switch (align) {
-          case "<": return valuePrefix + value + valueSuffix + padding;
-          case "=": return valuePrefix + padding + value + valueSuffix;
-          case "^": return padding.slice(0, length = padding.length >> 1) + valuePrefix + value + valueSuffix + padding.slice(length);
-        }
-        return padding + valuePrefix + value + valueSuffix;
-      };
-    }
-
-    function formatPrefix(specifier, value) {
-      var f = format((specifier = formatSpecifier(specifier), specifier.type = "f", specifier)),
-          e = Math.max(-8, Math.min(8, Math.floor(exponent(value) / 3))) * 3,
-          k = Math.pow(10, -e),
-          prefix = prefixes[8 + e / 3];
-      return function(value) {
-        return f(k * value) + prefix;
-      };
-    }
-
-    return {
-      format: format,
-      formatPrefix: formatPrefix
-    };
-  };
-
-  function precisionFixed(step) {
-    return Math.max(0, -exponent(Math.abs(step)));
-  };
-
-  function precisionPrefix(step, value) {
-    return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent(value) / 3))) * 3 - exponent(Math.abs(step)));
-  };
-
-  function precisionRound(step, max) {
-    return Math.max(0, exponent(Math.abs(max)) - exponent(Math.abs(step))) + 1;
-  };
-
-  var localeDefinitions = {
-    "ca-ES": caEs,
-    "de-CH": deCh,
-    "de-DE": deDe,
-    "en-CA": enCa,
-    "en-GB": enGb,
-    "en-US": enUs,
-    "es-ES": esEs,
-    "fi-FI": fiFi,
-    "fr-CA": frCa,
-    "fr-FR": frFr,
-    "he-IL": heIl,
-    "hu-HU": huHu,
-    "it-IT": itIt,
-    "ja-JP": jaJp,
-    "ko-KR": koKr,
-    "mk-MK": mkMk,
-    "nl-NL": nlNl,
-    "pl-PL": plPl,
-    "pt-BR": ptBr,
-    "ru-RU": ruRu,
-    "sv-SE": svSe,
-    "zh-CN": zhCn
-  };
-
-  var defaultLocale = locale(enUs);
-  var format = defaultLocale.format;
-  var formatPrefix = defaultLocale.formatPrefix;
-
-  function localeFormat(definition) {
-    if (typeof definition === "string") {
-      if (!localeDefinitions.hasOwnProperty(definition)) return null;
-      definition = localeDefinitions[definition];
-    }
-    return locale(definition);
-  };
-
-  var version = "0.3.6";
-
-  exports.version = version;
-  exports.format = format;
-  exports.formatPrefix = formatPrefix;
-  exports.localeFormat = localeFormat;
-  exports.formatSpecifier = formatSpecifier;
-  exports.precisionFixed = precisionFixed;
-  exports.precisionPrefix = precisionPrefix;
-  exports.precisionRound = precisionRound;
-
-}));
-},{}],7:[function(require,module,exports){
-(function (global, factory) {
-  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('d3-time')) :
-  typeof define === 'function' && define.amd ? define('d3-time-format', ['exports', 'd3-time'], factory) :
-  factory((global.d3_time_format = {}),global.d3_time);
-}(this, function (exports,d3Time) { 'use strict';
-
-  var zhCn = {
-    dateTime: "%a %b %e %X %Y",
-    date: "%Y/%-m/%-d",
-    time: "%H:%M:%S",
-    periods: ["上午", "下午"],
-    days: ["星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"],
-    shortDays: ["星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"],
-    months: ["一月", "二月", "三月", "四月", "五月", "六月", "七月", "八月", "九月", "十月", "十一月", "十二月"],
-    shortMonths: ["一月", "二月", "三月", "四月", "五月", "六月", "七月", "八月", "九月", "十月", "十一月", "十二月"]
-  };
-
-  var svSe = {
-    dateTime: "%A den %d %B %Y %X",
-    date: "%Y-%m-%d",
-    time: "%H:%M:%S",
-    periods: ["fm", "em"],
-    days: ["Söndag", "Måndag", "Tisdag", "Onsdag", "Torsdag", "Fredag", "Lördag"],
-    shortDays: ["Sön", "Mån", "Tis", "Ons", "Tor", "Fre", "Lör"],
-    months: ["Januari", "Februari", "Mars", "April", "Maj", "Juni", "Juli", "Augusti", "September", "Oktober", "November", "December"],
-    shortMonths: ["Jan", "Feb", "Mar", "Apr", "Maj", "Jun", "Jul", "Aug", "Sep", "Okt", "Nov", "Dec"]
-  };
-
-  var ruRu = {
-    dateTime: "%A, %e %B %Y г. %X",
-    date: "%d.%m.%Y",
-    time: "%H:%M:%S",
-    periods: ["AM", "PM"],
-    days: ["воскресенье", "понедельник", "вторник", "среда", "четверг", "пятница", "суббота"],
-    shortDays: ["вс", "пн", "вт", "ср", "чт", "пт", "сб"],
-    months: ["января", "февраля", "марта", "апреля", "мая", "июня", "июля", "августа", "сентября", "октября", "ноября", "декабря"],
-    shortMonths: ["янв", "фев", "мар", "апр", "май", "июн", "июл", "авг", "сен", "окт", "ноя", "дек"]
-  };
-
-  var ptBr = {
-    dateTime: "%A, %e de %B de %Y. %X",
-    date: "%d/%m/%Y",
-    time: "%H:%M:%S",
-    periods: ["AM", "PM"],
-    days: ["Domingo", "Segunda", "Terça", "Quarta", "Quinta", "Sexta", "Sábado"],
-    shortDays: ["Dom", "Seg", "Ter", "Qua", "Qui", "Sex", "Sáb"],
-    months: ["Janeiro", "Fevereiro", "Março", "Abril", "Maio", "Junho", "Julho", "Agosto", "Setembro", "Outubro", "Novembro", "Dezembro"],
-    shortMonths: ["Jan", "Fev", "Mar", "Abr", "Mai", "Jun", "Jul", "Ago", "Set", "Out", "Nov", "Dez"]
-  };
-
-  var plPl = {
-    dateTime: "%A, %e %B %Y, %X",
-    date: "%d/%m/%Y",
-    time: "%H:%M:%S",
-    periods: ["AM", "PM"], // unused
-    days: ["Niedziela", "Poniedziałek", "Wtorek", "Środa", "Czwartek", "Piątek", "Sobota"],
-    shortDays: ["Niedz.", "Pon.", "Wt.", "Śr.", "Czw.", "Pt.", "Sob."],
-    months: ["Styczeń", "Luty", "Marzec", "Kwiecień", "Maj", "Czerwiec", "Lipiec", "Sierpień", "Wrzesień", "Październik", "Listopad", "Grudzień"],
-    shortMonths: ["Stycz.", "Luty", "Marz.", "Kwie.", "Maj", "Czerw.", "Lipc.", "Sierp.", "Wrz.", "Paźdz.", "Listop.", "Grudz."]/* In Polish language abbraviated months are not commonly used so there is a dispute about the proper abbraviations. */
-  };
-
-  var nlNl = {
-    dateTime: "%a %e %B %Y %T",
-    date: "%d-%m-%Y",
-    time: "%H:%M:%S",
-    periods: ["AM", "PM"], // unused
-    days: ["zondag", "maandag", "dinsdag", "woensdag", "donderdag", "vrijdag", "zaterdag"],
-    shortDays: ["zo", "ma", "di", "wo", "do", "vr", "za"],
-    months: ["januari", "februari", "maart", "april", "mei", "juni", "juli", "augustus", "september", "oktober", "november", "december"],
-    shortMonths: ["jan", "feb", "mrt", "apr", "mei", "jun", "jul", "aug", "sep", "okt", "nov", "dec"]
-  };
-
-  var mkMk = {
-    dateTime: "%A, %e %B %Y г. %X",
-    date: "%d.%m.%Y",
-    time: "%H:%M:%S",
-    periods: ["AM", "PM"],
-    days: ["недела", "понеделник", "вторник", "среда", "четврток", "петок", "сабота"],
-    shortDays: ["нед", "пон", "вто", "сре", "чет", "пет", "саб"],
-    months: ["јануари", "февруари", "март", "април", "мај", "јуни", "јули", "август", "септември", "октомври", "ноември", "декември"],
-    shortMonths: ["јан", "фев", "мар", "апр", "мај", "јун", "јул", "авг", "сеп", "окт", "ное", "дек"]
-  };
-
-  var koKr = {
-    dateTime: "%Y/%m/%d %a %X",
-    date: "%Y/%m/%d",
-    time: "%H:%M:%S",
-    periods: ["오전", "오후"],
-    days: ["일요일", "월요일", "화요일", "수요일", "목요일", "금요일", "토요일"],
-    shortDays: ["일", "월", "화", "수", "목", "금", "토"],
-    months: ["1월", "2월", "3월", "4월", "5월", "6월", "7월", "8월", "9월", "10월", "11월", "12월"],
-    shortMonths: ["1월", "2월", "3월", "4월", "5월", "6월", "7월", "8월", "9월", "10월", "11월", "12월"]
-  };
-
-  var jaJp = {
-    dateTime: "%Y %b %e %a %X",
-    date: "%Y/%m/%d",
-    time: "%H:%M:%S",
-    periods: ["AM", "PM"],
-    days: ["日曜日", "月曜日", "火曜日", "水曜日", "木曜日", "金曜日", "土曜日"],
-    shortDays: ["日", "月", "火", "水", "木", "金", "土"],
-    months: ["睦月", "如月", "弥生", "卯月", "皐月", "水無月", "文月", "葉月", "長月", "神無月", "霜月", "師走"],
-    shortMonths: ["1月", "2月", "3月", "4月", "5月", "6月", "7月", "8月", "9月", "10月", "11月", "12月"]
-  };
-
-  var itIt = {
-    dateTime: "%A %e %B %Y, %X",
-    date: "%d/%m/%Y",
-    time: "%H:%M:%S",
-    periods: ["AM", "PM"], // unused
-    days: ["Domenica", "Lunedì", "Martedì", "Mercoledì", "Giovedì", "Venerdì", "Sabato"],
-    shortDays: ["Dom", "Lun", "Mar", "Mer", "Gio", "Ven", "Sab"],
-    months: ["Gennaio", "Febbraio", "Marzo", "Aprile", "Maggio", "Giugno", "Luglio", "Agosto", "Settembre", "Ottobre", "Novembre", "Dicembre"],
-    shortMonths: ["Gen", "Feb", "Mar", "Apr", "Mag", "Giu", "Lug", "Ago", "Set", "Ott", "Nov", "Dic"]
-  };
-
-  var huHu = {
-    dateTime: "%Y. %B %-e., %A %X",
-    date: "%Y. %m. %d.",
-    time: "%H:%M:%S",
-    periods: ["de.", "du."], // unused
-    days: ["vasárnap", "hétfő", "kedd", "szerda", "csütörtök", "péntek", "szombat"],
-    shortDays: ["V", "H", "K", "Sze", "Cs", "P", "Szo"],
-    months: ["január", "február", "március", "április", "május", "június", "július", "augusztus", "szeptember", "október", "november", "december"],
-    shortMonths: ["jan.", "feb.", "már.", "ápr.", "máj.", "jún.", "júl.", "aug.", "szept.", "okt.", "nov.", "dec."]
-  };
-
-  var heIl = {
-    dateTime: "%A, %e ב%B %Y %X",
-    date: "%d.%m.%Y",
-    time: "%H:%M:%S",
-    periods: ["AM", "PM"],
-    days: ["ראשון", "שני", "שלישי", "רביעי", "חמישי", "שישי", "שבת"],
-    shortDays: ["א׳", "ב׳", "ג׳", "ד׳", "ה׳", "ו׳", "ש׳"],
-    months: ["ינואר", "פברואר", "מרץ", "אפריל", "מאי", "יוני", "יולי", "אוגוסט", "ספטמבר", "אוקטובר", "נובמבר", "דצמבר"],
-    shortMonths: ["ינו׳", "פבר׳", "מרץ", "אפר׳", "מאי", "יוני", "יולי", "אוג׳", "ספט׳", "אוק׳", "נוב׳", "דצמ׳"]
-  };
-
-  var frFr = {
-    dateTime: "%A, le %e %B %Y, %X",
-    date: "%d/%m/%Y",
-    time: "%H:%M:%S",
-    periods: ["AM", "PM"], // unused
-    days: ["dimanche", "lundi", "mardi", "mercredi", "jeudi", "vendredi", "samedi"],
-    shortDays: ["dim.", "lun.", "mar.", "mer.", "jeu.", "ven.", "sam."],
-    months: ["janvier", "février", "mars", "avril", "mai", "juin", "juillet", "août", "septembre", "octobre", "novembre", "décembre"],
-    shortMonths: ["janv.", "févr.", "mars", "avr.", "mai", "juin", "juil.", "août", "sept.", "oct.", "nov.", "déc."]
-  };
-
-  var frCa = {
-    dateTime: "%a %e %b %Y %X",
-    date: "%Y-%m-%d",
-    time: "%H:%M:%S",
-    periods: ["", ""],
-    days: ["dimanche", "lundi", "mardi", "mercredi", "jeudi", "vendredi", "samedi"],
-    shortDays: ["dim", "lun", "mar", "mer", "jeu", "ven", "sam"],
-    months: ["janvier", "février", "mars", "avril", "mai", "juin", "juillet", "août", "septembre", "octobre", "novembre", "décembre"],
-    shortMonths: ["jan", "fév", "mar", "avr", "mai", "jui", "jul", "aoû", "sep", "oct", "nov", "déc"]
-  };
-
-  var fiFi = {
-    dateTime: "%A, %-d. %Bta %Y klo %X",
-    date: "%-d.%-m.%Y",
-    time: "%H:%M:%S",
-    periods: ["a.m.", "p.m."],
-    days: ["sunnuntai", "maanantai", "tiistai", "keskiviikko", "torstai", "perjantai", "lauantai"],
-    shortDays: ["Su", "Ma", "Ti", "Ke", "To", "Pe", "La"],
-    months: ["tammikuu", "helmikuu", "maaliskuu", "huhtikuu", "toukokuu", "kesäkuu", "heinäkuu", "elokuu", "syyskuu", "lokakuu", "marraskuu", "joulukuu"],
-    shortMonths: ["Tammi", "Helmi", "Maalis", "Huhti", "Touko", "Kesä", "Heinä", "Elo", "Syys", "Loka", "Marras", "Joulu"]
-  };
-
-  var esEs = {
-    dateTime: "%A, %e de %B de %Y, %X",
-    date: "%d/%m/%Y",
-    time: "%H:%M:%S",
-    periods: ["AM", "PM"],
-    days: ["domingo", "lunes", "martes", "miércoles", "jueves", "viernes", "sábado"],
-    shortDays: ["dom", "lun", "mar", "mié", "jue", "vie", "sáb"],
-    months: ["enero", "febrero", "marzo", "abril", "mayo", "junio", "julio", "agosto", "septiembre", "octubre", "noviembre", "diciembre"],
-    shortMonths: ["ene", "feb", "mar", "abr", "may", "jun", "jul", "ago", "sep", "oct", "nov", "dic"]
-  };
-
-  var locale$1 = {
-    dateTime: "%a %b %e %X %Y",
-    date: "%m/%d/%Y",
-    time: "%H:%M:%S",
-    periods: ["AM", "PM"],
-    days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"],
-    shortDays: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"],
-    months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"],
-    shortMonths: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]
-  };
-
-  var enGb = {
-    dateTime: "%a %e %b %X %Y",
-    date: "%d/%m/%Y",
-    time: "%H:%M:%S",
-    periods: ["AM", "PM"],
-    days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"],
-    shortDays: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"],
-    months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"],
-    shortMonths: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]
-  };
-
-  var enCa = {
-    dateTime: "%a %b %e %X %Y",
-    date: "%Y-%m-%d",
-    time: "%H:%M:%S",
-    periods: ["AM", "PM"],
-    days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"],
-    shortDays: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"],
-    months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"],
-    shortMonths: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]
-  };
-
-  var deDe = {
-    dateTime: "%A, der %e. %B %Y, %X",
-    date: "%d.%m.%Y",
-    time: "%H:%M:%S",
-    periods: ["AM", "PM"], // unused
-    days: ["Sonntag", "Montag", "Dienstag", "Mittwoch", "Donnerstag", "Freitag", "Samstag"],
-    shortDays: ["So", "Mo", "Di", "Mi", "Do", "Fr", "Sa"],
-    months: ["Januar", "Februar", "März", "April", "Mai", "Juni", "Juli", "August", "September", "Oktober", "November", "Dezember"],
-    shortMonths: ["Jan", "Feb", "Mrz", "Apr", "Mai", "Jun", "Jul", "Aug", "Sep", "Okt", "Nov", "Dez"]
-  };
-
-  var deCh = {
-    dateTime: "%A, der %e. %B %Y, %X",
-    date: "%d.%m.%Y",
-    time: "%H:%M:%S",
-    periods: ["AM", "PM"], // unused
-    days: ["Sonntag", "Montag", "Dienstag", "Mittwoch", "Donnerstag", "Freitag", "Samstag"],
-    shortDays: ["So", "Mo", "Di", "Mi", "Do", "Fr", "Sa"],
-    months: ["Januar", "Februar", "März", "April", "Mai", "Juni", "Juli", "August", "September", "Oktober", "November", "Dezember"],
-    shortMonths: ["Jan", "Feb", "Mrz", "Apr", "Mai", "Jun", "Jul", "Aug", "Sep", "Okt", "Nov", "Dez"]
-  };
-
-  var caEs = {
-    dateTime: "%A, %e de %B de %Y, %X",
-    date: "%d/%m/%Y",
-    time: "%H:%M:%S",
-    periods: ["AM", "PM"],
-    days: ["diumenge", "dilluns", "dimarts", "dimecres", "dijous", "divendres", "dissabte"],
-    shortDays: ["dg.", "dl.", "dt.", "dc.", "dj.", "dv.", "ds."],
-    months: ["gener", "febrer", "març", "abril", "maig", "juny", "juliol", "agost", "setembre", "octubre", "novembre", "desembre"],
-    shortMonths: ["gen.", "febr.", "març", "abr.", "maig", "juny", "jul.", "ag.", "set.", "oct.", "nov.", "des."]
-  };
-
-  function localDate(d) {
-    if (0 <= d.y && d.y < 100) {
-      var date = new Date(-1, d.m, d.d, d.H, d.M, d.S, d.L);
-      date.setFullYear(d.y);
-      return date;
-    }
-    return new Date(d.y, d.m, d.d, d.H, d.M, d.S, d.L);
-  }
-
-  function utcDate(d) {
-    if (0 <= d.y && d.y < 100) {
-      var date = new Date(Date.UTC(-1, d.m, d.d, d.H, d.M, d.S, d.L));
-      date.setUTCFullYear(d.y);
-      return date;
-    }
-    return new Date(Date.UTC(d.y, d.m, d.d, d.H, d.M, d.S, d.L));
-  }
-
-  function newYear(y) {
-    return {y: y, m: 0, d: 1, H: 0, M: 0, S: 0, L: 0};
-  }
-
-  function locale(locale) {
-    var locale_dateTime = locale.dateTime,
-        locale_date = locale.date,
-        locale_time = locale.time,
-        locale_periods = locale.periods,
-        locale_weekdays = locale.days,
-        locale_shortWeekdays = locale.shortDays,
-        locale_months = locale.months,
-        locale_shortMonths = locale.shortMonths;
-
-    var periodLookup = formatLookup(locale_periods),
-        weekdayRe = formatRe(locale_weekdays),
-        weekdayLookup = formatLookup(locale_weekdays),
-        shortWeekdayRe = formatRe(locale_shortWeekdays),
-        shortWeekdayLookup = formatLookup(locale_shortWeekdays),
-        monthRe = formatRe(locale_months),
-        monthLookup = formatLookup(locale_months),
-        shortMonthRe = formatRe(locale_shortMonths),
-        shortMonthLookup = formatLookup(locale_shortMonths);
-
-    var formats = {
-      "a": formatShortWeekday,
-      "A": formatWeekday,
-      "b": formatShortMonth,
-      "B": formatMonth,
-      "c": null,
-      "d": formatDayOfMonth,
-      "e": formatDayOfMonth,
-      "H": formatHour24,
-      "I": formatHour12,
-      "j": formatDayOfYear,
-      "L": formatMilliseconds,
-      "m": formatMonthNumber,
-      "M": formatMinutes,
-      "p": formatPeriod,
-      "S": formatSeconds,
-      "U": formatWeekNumberSunday,
-      "w": formatWeekdayNumber,
-      "W": formatWeekNumberMonday,
-      "x": null,
-      "X": null,
-      "y": formatYear,
-      "Y": formatFullYear,
-      "Z": formatZone,
-      "%": formatLiteralPercent
-    };
-
-    var utcFormats = {
-      "a": formatUTCShortWeekday,
-      "A": formatUTCWeekday,
-      "b": formatUTCShortMonth,
-      "B": formatUTCMonth,
-      "c": null,
-      "d": formatUTCDayOfMonth,
-      "e": formatUTCDayOfMonth,
-      "H": formatUTCHour24,
-      "I": formatUTCHour12,
-      "j": formatUTCDayOfYear,
-      "L": formatUTCMilliseconds,
-      "m": formatUTCMonthNumber,
-      "M": formatUTCMinutes,
-      "p": formatUTCPeriod,
-      "S": formatUTCSeconds,
-      "U": formatUTCWeekNumberSunday,
-      "w": formatUTCWeekdayNumber,
-      "W": formatUTCWeekNumberMonday,
-      "x": null,
-      "X": null,
-      "y": formatUTCYear,
-      "Y": formatUTCFullYear,
-      "Z": formatUTCZone,
-      "%": formatLiteralPercent
-    };
-
-    var parses = {
-      "a": parseShortWeekday,
-      "A": parseWeekday,
-      "b": parseShortMonth,
-      "B": parseMonth,
-      "c": parseLocaleDateTime,
-      "d": parseDayOfMonth,
-      "e": parseDayOfMonth,
-      "H": parseHour24,
-      "I": parseHour24,
-      "j": parseDayOfYear,
-      "L": parseMilliseconds,
-      "m": parseMonthNumber,
-      "M": parseMinutes,
-      "p": parsePeriod,
-      "S": parseSeconds,
-      "U": parseWeekNumberSunday,
-      "w": parseWeekdayNumber,
-      "W": parseWeekNumberMonday,
-      "x": parseLocaleDate,
-      "X": parseLocaleTime,
-      "y": parseYear,
-      "Y": parseFullYear,
-      "Z": parseZone,
-      "%": parseLiteralPercent
-    };
-
-    // These recursive directive definitions must be deferred.
-    formats.x = newFormat(locale_date, formats);
-    formats.X = newFormat(locale_time, formats);
-    formats.c = newFormat(locale_dateTime, formats);
-    utcFormats.x = newFormat(locale_date, utcFormats);
-    utcFormats.X = newFormat(locale_time, utcFormats);
-    utcFormats.c = newFormat(locale_dateTime, utcFormats);
-
-    function newFormat(specifier, formats) {
-      return function(date) {
-        var string = [],
-            i = -1,
-            j = 0,
-            n = specifier.length,
-            c,
-            pad,
-            format;
-
-        while (++i < n) {
-          if (specifier.charCodeAt(i) === 37) {
-            string.push(specifier.slice(j, i));
-            if ((pad = pads[c = specifier.charAt(++i)]) != null) c = specifier.charAt(++i);
-            if (format = formats[c]) c = format(date, pad == null ? (c === "e" ? " " : "0") : pad);
-            string.push(c);
-            j = i + 1;
-          }
-        }
-
-        string.push(specifier.slice(j, i));
-        return string.join("");
-      };
-    }
-
-    function newParse(specifier, newDate) {
-      return function(string) {
-        var d = newYear(1900),
-            i = parseSpecifier(d, specifier, string, 0);
-        if (i != string.length) return null;
-
-        // The am-pm flag is 0 for AM, and 1 for PM.
-        if ("p" in d) d.H = d.H % 12 + d.p * 12;
-
-        // If a time zone is specified, all fields are interpreted as UTC and then
-        // offset according to the specified time zone.
-        if ("Z" in d) {
-          if ("w" in d && ("W" in d || "U" in d)) {
-            var day = utcDate(newYear(d.y)).getUTCDay();
-            if ("W" in d) d.U = d.W, d.w = (d.w + 6) % 7, --day;
-            d.m = 0;
-            d.d = d.w + d.U * 7 - (day + 6) % 7;
-          }
-          d.H += d.Z / 100 | 0;
-          d.M += d.Z % 100;
-          return utcDate(d);
-        }
-
-        // Otherwise, all fields are in local time.
-        if ("w" in d && ("W" in d || "U" in d)) {
-          var day = newDate(newYear(d.y)).getDay();
-          if ("W" in d) d.U = d.W, d.w = (d.w + 6) % 7, --day;
-          d.m = 0;
-          d.d = d.w + d.U * 7 - (day + 6) % 7;
-        }
-        return newDate(d);
-      };
-    }
-
-    function parseSpecifier(d, specifier, string, j) {
-      var i = 0,
-          n = specifier.length,
-          m = string.length,
-          c,
-          parse;
-
-      while (i < n) {
-        if (j >= m) return -1;
-        c = specifier.charCodeAt(i++);
-        if (c === 37) {
-          c = specifier.charAt(i++);
-          parse = parses[c in pads ? specifier.charAt(i++) : c];
-          if (!parse || ((j = parse(d, string, j)) < 0)) return -1;
-        } else if (c != string.charCodeAt(j++)) {
-          return -1;
-        }
-      }
-
-      return j;
-    }
-
-    function parseShortWeekday(d, string, i) {
-      var n = shortWeekdayRe.exec(string.slice(i));
-      return n ? (d.w = shortWeekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1;
-    }
-
-    function parseWeekday(d, string, i) {
-      var n = weekdayRe.exec(string.slice(i));
-      return n ? (d.w = weekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1;
-    }
-
-    function parseShortMonth(d, string, i) {
-      var n = shortMonthRe.exec(string.slice(i));
-      return n ? (d.m = shortMonthLookup[n[0].toLowerCase()], i + n[0].length) : -1;
-    }
-
-    function parseMonth(d, string, i) {
-      var n = monthRe.exec(string.slice(i));
-      return n ? (d.m = monthLookup[n[0].toLowerCase()], i + n[0].length) : -1;
-    }
-
-    function parseLocaleDateTime(d, string, i) {
-      return parseSpecifier(d, locale_dateTime, string, i);
-    }
-
-    function parseLocaleDate(d, string, i) {
-      return parseSpecifier(d, locale_date, string, i);
-    }
-
-    function parseLocaleTime(d, string, i) {
-      return parseSpecifier(d, locale_time, string, i);
-    }
-
-    function parsePeriod(d, string, i) {
-      var n = periodLookup[string.slice(i, i += 2).toLowerCase()];
-      return n == null ? -1 : (d.p = n, i);
-    }
-
-    function formatShortWeekday(d) {
-      return locale_shortWeekdays[d.getDay()];
-    }
-
-    function formatWeekday(d) {
-      return locale_weekdays[d.getDay()];
-    }
-
-    function formatShortMonth(d) {
-      return locale_shortMonths[d.getMonth()];
-    }
-
-    function formatMonth(d) {
-      return locale_months[d.getMonth()];
-    }
-
-    function formatPeriod(d) {
-      return locale_periods[+(d.getHours() >= 12)];
-    }
-
-    function formatUTCShortWeekday(d) {
-      return locale_shortWeekdays[d.getUTCDay()];
-    }
-
-    function formatUTCWeekday(d) {
-      return locale_weekdays[d.getUTCDay()];
-    }
-
-    function formatUTCShortMonth(d) {
-      return locale_shortMonths[d.getUTCMonth()];
-    }
-
-    function formatUTCMonth(d) {
-      return locale_months[d.getUTCMonth()];
-    }
-
-    function formatUTCPeriod(d) {
-      return locale_periods[+(d.getUTCHours() >= 12)];
-    }
-
-    return {
-      format: function(specifier) {
-        var f = newFormat(specifier += "", formats);
-        f.parse = newParse(specifier, localDate);
-        f.toString = function() { return specifier; };
-        return f;
-      },
-      utcFormat: function(specifier) {
-        var f = newFormat(specifier += "", utcFormats);
-        f.parse = newParse(specifier, utcDate);
-        f.toString = function() { return specifier; };
-        return f;
-      }
-    };
-  };
-
-  var pads = {"-": "", "_": " ", "0": "0"};
-  var numberRe = /^\s*\d+/;
-  var percentRe = /^%/;
-  var requoteRe = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g;
-  function pad(value, fill, width) {
-    var sign = value < 0 ? "-" : "",
-        string = (sign ? -value : value) + "",
-        length = string.length;
-    return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string);
-  }
-
-  function requote(s) {
-    return s.replace(requoteRe, "\\$&");
-  }
-
-  function formatRe(names) {
-    return new RegExp("^(?:" + names.map(requote).join("|") + ")", "i");
-  }
-
-  function formatLookup(names) {
-    var map = {}, i = -1, n = names.length;
-    while (++i < n) map[names[i].toLowerCase()] = i;
-    return map;
-  }
-
-  function parseWeekdayNumber(d, string, i) {
-    var n = numberRe.exec(string.slice(i, i + 1));
-    return n ? (d.w = +n[0], i + n[0].length) : -1;
-  }
-
-  function parseWeekNumberSunday(d, string, i) {
-    var n = numberRe.exec(string.slice(i));
-    return n ? (d.U = +n[0], i + n[0].length) : -1;
-  }
-
-  function parseWeekNumberMonday(d, string, i) {
-    var n = numberRe.exec(string.slice(i));
-    return n ? (d.W = +n[0], i + n[0].length) : -1;
-  }
-
-  function parseFullYear(d, string, i) {
-    var n = numberRe.exec(string.slice(i, i + 4));
-    return n ? (d.y = +n[0], i + n[0].length) : -1;
-  }
-
-  function parseYear(d, string, i) {
-    var n = numberRe.exec(string.slice(i, i + 2));
-    return n ? (d.y = +n[0] + (+n[0] > 68 ? 1900 : 2000), i + n[0].length) : -1;
-  }
-
-  function parseZone(d, string, i) {
-    var n = /^(Z)|([+-]\d\d)(?:\:?(\d\d))?/.exec(string.slice(i, i + 6));
-    if (n) {
-      d.Z = n[1] ? 0              // 'Z' for UTC
-          : n[3] ? -(n[2] + n[3]) // sign differs from getTimezoneOffset!
-                 : -n[2] * 100;
-      return i + n[0].length;
-    }
-    return -1;
-  }
-
-  function parseMonthNumber(d, string, i) {
-    var n = numberRe.exec(string.slice(i, i + 2));
-    return n ? (d.m = n[0] - 1, i + n[0].length) : -1;
-  }
-
-  function parseDayOfMonth(d, string, i) {
-    var n = numberRe.exec(string.slice(i, i + 2));
-    return n ? (d.d = +n[0], i + n[0].length) : -1;
-  }
-
-  function parseDayOfYear(d, string, i) {
-    var n = numberRe.exec(string.slice(i, i + 3));
-    return n ? (d.m = 0, d.d = +n[0], i + n[0].length) : -1;
-  }
-
-  function parseHour24(d, string, i) {
-    var n = numberRe.exec(string.slice(i, i + 2));
-    return n ? (d.H = +n[0], i + n[0].length) : -1;
-  }
-
-  function parseMinutes(d, string, i) {
-    var n = numberRe.exec(string.slice(i, i + 2));
-    return n ? (d.M = +n[0], i + n[0].length) : -1;
-  }
-
-  function parseSeconds(d, string, i) {
-    var n = numberRe.exec(string.slice(i, i + 2));
-    return n ? (d.S = +n[0], i + n[0].length) : -1;
-  }
-
-  function parseMilliseconds(d, string, i) {
-    var n = numberRe.exec(string.slice(i, i + 3));
-    return n ? (d.L = +n[0], i + n[0].length) : -1;
-  }
-
-  function parseLiteralPercent(d, string, i) {
-    var n = percentRe.exec(string.slice(i, i + 1));
-    return n ? i + n[0].length : -1;
-  }
-
-  function formatDayOfMonth(d, p) {
-    return pad(d.getDate(), p, 2);
-  }
-
-  function formatHour24(d, p) {
-    return pad(d.getHours(), p, 2);
-  }
-
-  function formatHour12(d, p) {
-    return pad(d.getHours() % 12 || 12, p, 2);
-  }
-
-  function formatDayOfYear(d, p) {
-    return pad(1 + d3Time.day.count(d3Time.year(d), d), p, 3);
-  }
-
-  function formatMilliseconds(d, p) {
-    return pad(d.getMilliseconds(), p, 3);
-  }
-
-  function formatMonthNumber(d, p) {
-    return pad(d.getMonth() + 1, p, 2);
-  }
-
-  function formatMinutes(d, p) {
-    return pad(d.getMinutes(), p, 2);
-  }
-
-  function formatSeconds(d, p) {
-    return pad(d.getSeconds(), p, 2);
-  }
-
-  function formatWeekNumberSunday(d, p) {
-    return pad(d3Time.sunday.count(d3Time.year(d), d), p, 2);
-  }
-
-  function formatWeekdayNumber(d) {
-    return d.getDay();
-  }
-
-  function formatWeekNumberMonday(d, p) {
-    return pad(d3Time.monday.count(d3Time.year(d), d), p, 2);
-  }
-
-  function formatYear(d, p) {
-    return pad(d.getFullYear() % 100, p, 2);
-  }
-
-  function formatFullYear(d, p) {
-    return pad(d.getFullYear() % 10000, p, 4);
-  }
-
-  function formatZone(d) {
-    var z = d.getTimezoneOffset();
-    return (z > 0 ? "-" : (z *= -1, "+"))
-        + pad(z / 60 | 0, "0", 2)
-        + pad(z % 60, "0", 2);
-  }
-
-  function formatUTCDayOfMonth(d, p) {
-    return pad(d.getUTCDate(), p, 2);
-  }
-
-  function formatUTCHour24(d, p) {
-    return pad(d.getUTCHours(), p, 2);
-  }
-
-  function formatUTCHour12(d, p) {
-    return pad(d.getUTCHours() % 12 || 12, p, 2);
-  }
-
-  function formatUTCDayOfYear(d, p) {
-    return pad(1 + d3Time.utcDay.count(d3Time.utcYear(d), d), p, 3);
-  }
-
-  function formatUTCMilliseconds(d, p) {
-    return pad(d.getUTCMilliseconds(), p, 3);
-  }
-
-  function formatUTCMonthNumber(d, p) {
-    return pad(d.getUTCMonth() + 1, p, 2);
-  }
-
-  function formatUTCMinutes(d, p) {
-    return pad(d.getUTCMinutes(), p, 2);
-  }
-
-  function formatUTCSeconds(d, p) {
-    return pad(d.getUTCSeconds(), p, 2);
-  }
-
-  function formatUTCWeekNumberSunday(d, p) {
-    return pad(d3Time.utcSunday.count(d3Time.utcYear(d), d), p, 2);
-  }
-
-  function formatUTCWeekdayNumber(d) {
-    return d.getUTCDay();
-  }
-
-  function formatUTCWeekNumberMonday(d, p) {
-    return pad(d3Time.utcMonday.count(d3Time.utcYear(d), d), p, 2);
-  }
-
-  function formatUTCYear(d, p) {
-    return pad(d.getUTCFullYear() % 100, p, 2);
-  }
-
-  function formatUTCFullYear(d, p) {
-    return pad(d.getUTCFullYear() % 10000, p, 4);
-  }
-
-  function formatUTCZone() {
-    return "+0000";
-  }
-
-  function formatLiteralPercent() {
-    return "%";
-  }
-
-  var isoSpecifier = "%Y-%m-%dT%H:%M:%S.%LZ";
-
-  function formatIsoNative(date) {
-    return date.toISOString();
-  }
-
-  formatIsoNative.parse = function(string) {
-    var date = new Date(string);
-    return isNaN(date) ? null : date;
-  };
-
-  formatIsoNative.toString = function() {
-    return isoSpecifier;
-  };
-
-  var formatIso = Date.prototype.toISOString && +new Date("2000-01-01T00:00:00.000Z")
-      ? formatIsoNative
-      : locale$1.utcFormat(isoSpecifier);
-
-  var localeDefinitions = {
-    "ca-ES": caEs,
-    "de-CH": deCh,
-    "de-DE": deDe,
-    "en-CA": enCa,
-    "en-GB": enGb,
-    "en-US": locale$1,
-    "es-ES": esEs,
-    "fi-FI": fiFi,
-    "fr-CA": frCa,
-    "fr-FR": frFr,
-    "he-IL": heIl,
-    "hu-HU": huHu,
-    "it-IT": itIt,
-    "ja-JP": jaJp,
-    "ko-KR": koKr,
-    "mk-MK": mkMk,
-    "nl-NL": nlNl,
-    "pl-PL": plPl,
-    "pt-BR": ptBr,
-    "ru-RU": ruRu,
-    "sv-SE": svSe,
-    "zh-CN": zhCn
-  };
-
-  var defaultLocale = locale(locale$1);
-  var format = defaultLocale.format;
-  var utcFormat = defaultLocale.utcFormat;
-
-  function localeFormat(definition) {
-    if (typeof definition === "string") {
-      if (!localeDefinitions.hasOwnProperty(definition)) return null;
-      definition = localeDefinitions[definition];
-    }
-    return locale(definition);
-  };
-
-  var version = "0.1.5";
-
-  exports.version = version;
-  exports.format = format;
-  exports.utcFormat = utcFormat;
-  exports.localeFormat = localeFormat;
-  exports.isoFormat = formatIso;
-
-}));
-},{"d3-time":8}],8:[function(require,module,exports){
-(function (global, factory) {
-  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
-  typeof define === 'function' && define.amd ? define('d3-time', ['exports'], factory) :
-  factory((global.d3_time = {}));
-}(this, function (exports) { 'use strict';
-
-  var t0 = new Date;
-  var t1 = new Date;
-  function newInterval(floori, offseti, count) {
-
-    function interval(date) {
-      return floori(date = new Date(+date)), date;
-    }
-
-    interval.floor = interval;
-
-    interval.round = function(date) {
-      var d0 = new Date(+date),
-          d1 = new Date(date - 1);
-      floori(d0), floori(d1), offseti(d1, 1);
-      return date - d0 < d1 - date ? d0 : d1;
-    };
-
-    interval.ceil = function(date) {
-      return floori(date = new Date(date - 1)), offseti(date, 1), date;
-    };
-
-    interval.offset = function(date, step) {
-      return offseti(date = new Date(+date), step == null ? 1 : Math.floor(step)), date;
-    };
-
-    interval.range = function(start, stop, step) {
-      var range = [];
-      start = new Date(start - 1);
-      stop = new Date(+stop);
-      step = step == null ? 1 : Math.floor(step);
-      if (!(start < stop) || !(step > 0)) return range; // also handles Invalid Date
-      offseti(start, 1), floori(start);
-      if (start < stop) range.push(new Date(+start));
-      while (offseti(start, step), floori(start), start < stop) range.push(new Date(+start));
-      return range;
-    };
-
-    interval.filter = function(test) {
-      return newInterval(function(date) {
-        while (floori(date), !test(date)) date.setTime(date - 1);
-      }, function(date, step) {
-        while (--step >= 0) while (offseti(date, 1), !test(date));
-      });
-    };
-
-    if (count) interval.count = function(start, end) {
-      t0.setTime(+start), t1.setTime(+end);
-      floori(t0), floori(t1);
-      return Math.floor(count(t0, t1));
-    };
-
-    return interval;
-  };
-
-  var millisecond = newInterval(function() {
-    // noop
-  }, function(date, step) {
-    date.setTime(+date + step);
-  }, function(start, end) {
-    return end - start;
-  });
-
-  var second = newInterval(function(date) {
-    date.setMilliseconds(0);
-  }, function(date, step) {
-    date.setTime(+date + step * 1e3);
-  }, function(start, end) {
-    return (end - start) / 1e3;
-  });
-
-  var minute = newInterval(function(date) {
-    date.setSeconds(0, 0);
-  }, function(date, step) {
-    date.setTime(+date + step * 6e4);
-  }, function(start, end) {
-    return (end - start) / 6e4;
-  });
-
-  var hour = newInterval(function(date) {
-    date.setMinutes(0, 0, 0);
-  }, function(date, step) {
-    date.setTime(+date + step * 36e5);
-  }, function(start, end) {
-    return (end - start) / 36e5;
-  });
-
-  var day = newInterval(function(date) {
-    date.setHours(0, 0, 0, 0);
-  }, function(date, step) {
-    date.setDate(date.getDate() + step);
-  }, function(start, end) {
-    return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * 6e4) / 864e5;
-  });
-
-  function weekday(i) {
-    return newInterval(function(date) {
-      date.setHours(0, 0, 0, 0);
-      date.setDate(date.getDate() - (date.getDay() + 7 - i) % 7);
-    }, function(date, step) {
-      date.setDate(date.getDate() + step * 7);
-    }, function(start, end) {
-      return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * 6e4) / 6048e5;
-    });
-  }
-
-  var sunday = weekday(0);
-  var monday = weekday(1);
-  var tuesday = weekday(2);
-  var wednesday = weekday(3);
-  var thursday = weekday(4);
-  var friday = weekday(5);
-  var saturday = weekday(6);
-
-  var month = newInterval(function(date) {
-    date.setHours(0, 0, 0, 0);
-    date.setDate(1);
-  }, function(date, step) {
-    date.setMonth(date.getMonth() + step);
-  }, function(start, end) {
-    return end.getMonth() - start.getMonth() + (end.getFullYear() - start.getFullYear()) * 12;
-  });
-
-  var year = newInterval(function(date) {
-    date.setHours(0, 0, 0, 0);
-    date.setMonth(0, 1);
-  }, function(date, step) {
-    date.setFullYear(date.getFullYear() + step);
-  }, function(start, end) {
-    return end.getFullYear() - start.getFullYear();
-  });
-
-  var utcSecond = newInterval(function(date) {
-    date.setUTCMilliseconds(0);
-  }, function(date, step) {
-    date.setTime(+date + step * 1e3);
-  }, function(start, end) {
-    return (end - start) / 1e3;
-  });
-
-  var utcMinute = newInterval(function(date) {
-    date.setUTCSeconds(0, 0);
-  }, function(date, step) {
-    date.setTime(+date + step * 6e4);
-  }, function(start, end) {
-    return (end - start) / 6e4;
-  });
-
-  var utcHour = newInterval(function(date) {
-    date.setUTCMinutes(0, 0, 0);
-  }, function(date, step) {
-    date.setTime(+date + step * 36e5);
-  }, function(start, end) {
-    return (end - start) / 36e5;
-  });
-
-  var utcDay = newInterval(function(date) {
-    date.setUTCHours(0, 0, 0, 0);
-  }, function(date, step) {
-    date.setUTCDate(date.getUTCDate() + step);
-  }, function(start, end) {
-    return (end - start) / 864e5;
-  });
-
-  function utcWeekday(i) {
-    return newInterval(function(date) {
-      date.setUTCHours(0, 0, 0, 0);
-      date.setUTCDate(date.getUTCDate() - (date.getUTCDay() + 7 - i) % 7);
-    }, function(date, step) {
-      date.setUTCDate(date.getUTCDate() + step * 7);
-    }, function(start, end) {
-      return (end - start) / 6048e5;
-    });
-  }
-
-  var utcSunday = utcWeekday(0);
-  var utcMonday = utcWeekday(1);
-  var utcTuesday = utcWeekday(2);
-  var utcWednesday = utcWeekday(3);
-  var utcThursday = utcWeekday(4);
-  var utcFriday = utcWeekday(5);
-  var utcSaturday = utcWeekday(6);
-
-  var utcMonth = newInterval(function(date) {
-    date.setUTCHours(0, 0, 0, 0);
-    date.setUTCDate(1);
-  }, function(date, step) {
-    date.setUTCMonth(date.getUTCMonth() + step);
-  }, function(start, end) {
-    return end.getUTCMonth() - start.getUTCMonth() + (end.getUTCFullYear() - start.getUTCFullYear()) * 12;
-  });
-
-  var utcYear = newInterval(function(date) {
-    date.setUTCHours(0, 0, 0, 0);
-    date.setUTCMonth(0, 1);
-  }, function(date, step) {
-    date.setUTCFullYear(date.getUTCFullYear() + step);
-  }, function(start, end) {
-    return end.getUTCFullYear() - start.getUTCFullYear();
-  });
-
-  var milliseconds = millisecond.range;
-  var seconds = second.range;
-  var minutes = minute.range;
-  var hours = hour.range;
-  var days = day.range;
-  var sundays = sunday.range;
-  var mondays = monday.range;
-  var tuesdays = tuesday.range;
-  var wednesdays = wednesday.range;
-  var thursdays = thursday.range;
-  var fridays = friday.range;
-  var saturdays = saturday.range;
-  var weeks = sunday.range;
-  var months = month.range;
-  var years = year.range;
-
-  var utcMillisecond = millisecond;
-  var utcMilliseconds = milliseconds;
-  var utcSeconds = utcSecond.range;
-  var utcMinutes = utcMinute.range;
-  var utcHours = utcHour.range;
-  var utcDays = utcDay.range;
-  var utcSundays = utcSunday.range;
-  var utcMondays = utcMonday.range;
-  var utcTuesdays = utcTuesday.range;
-  var utcWednesdays = utcWednesday.range;
-  var utcThursdays = utcThursday.range;
-  var utcFridays = utcFriday.range;
-  var utcSaturdays = utcSaturday.range;
-  var utcWeeks = utcSunday.range;
-  var utcMonths = utcMonth.range;
-  var utcYears = utcYear.range;
-
-  var version = "0.0.7";
-
-  exports.version = version;
-  exports.milliseconds = milliseconds;
-  exports.seconds = seconds;
-  exports.minutes = minutes;
-  exports.hours = hours;
-  exports.days = days;
-  exports.sundays = sundays;
-  exports.mondays = mondays;
-  exports.tuesdays = tuesdays;
-  exports.wednesdays = wednesdays;
-  exports.thursdays = thursdays;
-  exports.fridays = fridays;
-  exports.saturdays = saturdays;
-  exports.weeks = weeks;
-  exports.months = months;
-  exports.years = years;
-  exports.utcMillisecond = utcMillisecond;
-  exports.utcMilliseconds = utcMilliseconds;
-  exports.utcSeconds = utcSeconds;
-  exports.utcMinutes = utcMinutes;
-  exports.utcHours = utcHours;
-  exports.utcDays = utcDays;
-  exports.utcSundays = utcSundays;
-  exports.utcMondays = utcMondays;
-  exports.utcTuesdays = utcTuesdays;
-  exports.utcWednesdays = utcWednesdays;
-  exports.utcThursdays = utcThursdays;
-  exports.utcFridays = utcFridays;
-  exports.utcSaturdays = utcSaturdays;
-  exports.utcWeeks = utcWeeks;
-  exports.utcMonths = utcMonths;
-  exports.utcYears = utcYears;
-  exports.millisecond = millisecond;
-  exports.second = second;
-  exports.minute = minute;
-  exports.hour = hour;
-  exports.day = day;
-  exports.sunday = sunday;
-  exports.monday = monday;
-  exports.tuesday = tuesday;
-  exports.wednesday = wednesday;
-  exports.thursday = thursday;
-  exports.friday = friday;
-  exports.saturday = saturday;
-  exports.week = sunday;
-  exports.month = month;
-  exports.year = year;
-  exports.utcSecond = utcSecond;
-  exports.utcMinute = utcMinute;
-  exports.utcHour = utcHour;
-  exports.utcDay = utcDay;
-  exports.utcSunday = utcSunday;
-  exports.utcMonday = utcMonday;
-  exports.utcTuesday = utcTuesday;
-  exports.utcWednesday = utcWednesday;
-  exports.utcThursday = utcThursday;
-  exports.utcFriday = utcFriday;
-  exports.utcSaturday = utcSaturday;
-  exports.utcWeek = utcSunday;
-  exports.utcMonth = utcMonth;
-  exports.utcYear = utcYear;
-  exports.interval = newInterval;
-
-}));
-},{}],9:[function(require,module,exports){
-var util = require('../util'),
-    Measures = require('./measures'),
-    Collector = require('./collector');
-
-function Aggregator() {
-  this._cells = {};
-  this._aggr = [];
-  this._stream = false;
-}
-
-var Flags = Aggregator.Flags = {
-  ADD_CELL: 1,
-  MOD_CELL: 2
-};
-
-var proto = Aggregator.prototype;
-
-// Parameters
-
-proto.stream = function(v) {
-  if (v == null) return this._stream;
-  this._stream = !!v;
-  this._aggr = [];
-  return this;
-};
-
-// key accessor to use for streaming removes
-proto.key = function(key) {
-  if (key == null) return this._key;
-  this._key = util.$(key);
-  return this;
-};
-
-// Input: array of objects of the form
-// {name: string, get: function}
-proto.groupby = function(dims) {
-  this._dims = util.array(dims).map(function(d, i) {
-    d = util.isString(d) ? {name: d, get: util.$(d)}
-      : util.isFunction(d) ? {name: util.name(d) || d.name || ('_' + i), get: d}
-      : (d.name && util.isFunction(d.get)) ? d : null;
-    if (d == null) throw 'Invalid groupby argument: ' + d;
-    return d;
-  });
-  return this.clear();
-};
-
-// Input: array of objects of the form
-// {name: string, ops: [string, ...]}
-proto.summarize = function(fields) {
-  fields = summarize_args(fields);
-  this._count = true;
-  var aggr = (this._aggr = []),
-      m, f, i, j, op, as, get;
-
-  for (i=0; i<fields.length; ++i) {
-    for (j=0, m=[], f=fields[i]; j<f.ops.length; ++j) {
-      op = f.ops[j];
-      if (op !== 'count') this._count = false;
-      as = (f.as && f.as[j]) || (op + (f.name==='*' ? '' : '_'+f.name));
-      m.push(Measures[op](as));
-    }
-    get = f.get && util.$(f.get) ||
-      (f.name === '*' ? util.identity : util.$(f.name));
-    aggr.push({
-      name: f.name,
-      measures: Measures.create(
-        m,
-        this._stream, // streaming remove flag
-        get,          // input tuple getter
-        this._assign) // output tuple setter
-    });
-  }
-  return this.clear();
-};
-
-// Convenience method to summarize by count
-proto.count = function() {
-  return this.summarize({'*':'count'});
-};
-
-// Override to perform custom tuple value assignment
-proto._assign = function(object, name, value) {
-  object[name] = value;
-};
-
-function summarize_args(fields) {
-  if (util.isArray(fields)) { return fields; }
-  if (fields == null) { return []; }
-  var a = [], name, ops;
-  for (name in fields) {
-    ops = util.array(fields[name]);
-    a.push({name: name, ops: ops});
-  }
-  return a;
-}
-
-// Cell Management
-
-proto.clear = function() {
-  return (this._cells = {}, this);
-};
-
-proto._cellkey = function(x) {
-  var d = this._dims,
-      n = d.length, i,
-      k = String(d[0].get(x));
-  for (i=1; i<n; ++i) {
-    k += '|' + d[i].get(x);
-  }
-  return k;
-};
-
-proto._cell = function(x) {
-  var key = this._dims.length ? this._cellkey(x) : '';
-  return this._cells[key] || (this._cells[key] = this._newcell(x, key));
-};
-
-proto._newcell = function(x, key) {
-  var cell = {
-    num:   0,
-    tuple: this._newtuple(x, key),
-    flag:  Flags.ADD_CELL,
-    aggs:  {}
-  };
-
-  var aggr = this._aggr, i;
-  for (i=0; i<aggr.length; ++i) {
-    cell.aggs[aggr[i].name] = new aggr[i].measures(cell, cell.tuple);
-  }
-  if (cell.collect) {
-    cell.data = new Collector(this._key);
-  }
-  return cell;
-};
-
-proto._newtuple = function(x) {
-  var dims = this._dims,
-      t = {}, i, n;
-  for (i=0, n=dims.length; i<n; ++i) {
-    t[dims[i].name] = dims[i].get(x);
-  }
-  return this._ingest(t);
-};
-
-// Override to perform custom tuple ingestion
-proto._ingest = util.identity;
-
-// Process Tuples
-
-proto._add = function(x) {
-  var cell = this._cell(x),
-      aggr = this._aggr, i;
-
-  cell.num += 1;
-  if (!this._count) { // skip if count-only
-    if (cell.collect) cell.data.add(x);
-    for (i=0; i<aggr.length; ++i) {
-      cell.aggs[aggr[i].name].add(x);
-    }
-  }
-  cell.flag |= Flags.MOD_CELL;
-  if (this._on_add) this._on_add(x, cell);
-};
-
-proto._rem = function(x) {
-  var cell = this._cell(x),
-      aggr = this._aggr, i;
-
-  cell.num -= 1;
-  if (!this._count) { // skip if count-only
-    if (cell.collect) cell.data.rem(x);
-    for (i=0; i<aggr.length; ++i) {
-      cell.aggs[aggr[i].name].rem(x);
-    }
-  }
-  cell.flag |= Flags.MOD_CELL;
-  if (this._on_rem) this._on_rem(x, cell);
-};
-
-proto._mod = function(curr, prev) {
-  var cell0 = this._cell(prev),
-      cell1 = this._cell(curr),
-      aggr = this._aggr, i;
-
-  if (cell0 !== cell1) {
-    cell0.num -= 1;
-    cell1.num += 1;
-    if (cell0.collect) cell0.data.rem(prev);
-    if (cell1.collect) cell1.data.add(curr);
-  } else if (cell0.collect && !util.isObject(curr)) {
-    cell0.data.rem(prev);
-    cell0.data.add(curr);
-  }
-
-  for (i=0; i<aggr.length; ++i) {
-    cell0.aggs[aggr[i].name].rem(prev);
-    cell1.aggs[aggr[i].name].add(curr);
-  }
-  cell0.flag |= Flags.MOD_CELL;
-  cell1.flag |= Flags.MOD_CELL;
-  if (this._on_mod) this._on_mod(curr, prev, cell0, cell1);
-};
-
-proto.result = function() {
-  var result = [],
-      aggr = this._aggr,
-      cell, i, k;
-
-  for (k in this._cells) {
-    cell = this._cells[k];
-    if (cell.num > 0) {
-      // consolidate collector values
-      if (cell.collect) {
-        cell.data.values();
-      }
-      // update tuple properties
-      for (i=0; i<aggr.length; ++i) {
-        cell.aggs[aggr[i].name].set();
-      }
-      // add output tuple
-      result.push(cell.tuple);
-    } else {
-      delete this._cells[k];
-    }
-    cell.flag = 0;
-  }
-
-  this._rems = false;
-  return result;
-};
-
-proto.changes = function(output) {
-  var changes = output || {add:[], rem:[], mod:[]},
-      aggr = this._aggr,
-      cell, flag, i, k;
-
-  for (k in this._cells) {
-    cell = this._cells[k];
-    flag = cell.flag;
-
-    // consolidate collector values
-    if (cell.collect) {
-      cell.data.values();
-    }
-
-    // update tuple properties
-    for (i=0; i<aggr.length; ++i) {
-      cell.aggs[aggr[i].name].set();
-    }
-
-    // organize output tuples
-    if (cell.num <= 0) {
-      changes.rem.push(cell.tuple); // if (flag === Flags.MOD_CELL) { ??
-      delete this._cells[k];
-      if (this._on_drop) this._on_drop(cell);
-    } else {
-      if (this._on_keep) this._on_keep(cell);
-      if (flag & Flags.ADD_CELL) {
-        changes.add.push(cell.tuple);
-      } else if (flag & Flags.MOD_CELL) {
-        changes.mod.push(cell.tuple);
-      }
-    }
-
-    cell.flag = 0;
-  }
-
-  this._rems = false;
-  return changes;
-};
-
-proto.execute = function(input) {
-  return this.clear().insert(input).result();
-};
-
-proto.insert = function(input) {
-  this._consolidate();
-  for (var i=0; i<input.length; ++i) {
-    this._add(input[i]);
-  }
-  return this;
-};
-
-proto.remove = function(input) {
-  if (!this._stream) {
-    throw 'Aggregator not configured for streaming removes.' +
-      ' Call stream(true) prior to calling summarize.';
-  }
-  for (var i=0; i<input.length; ++i) {
-    this._rem(input[i]);
-  }
-  this._rems = true;
-  return this;
-};
-
-// consolidate removals
-proto._consolidate = function() {
-  if (!this._rems) return;
-  for (var k in this._cells) {
-    if (this._cells[k].collect) {
-      this._cells[k].data.values();
-    }
-  }
-  this._rems = false;
-};
-
-module.exports = Aggregator;
-
-},{"../util":31,"./collector":10,"./measures":12}],10:[function(require,module,exports){
-var util = require('../util');
-var stats = require('../stats');
-
-var REM = '__dl_rem__';
-
-function Collector(key) {
-  this._add = [];
-  this._rem = [];
-  this._key = key || null;
-  this._last = null;
-}
-
-var proto = Collector.prototype;
-
-proto.add = function(v) {
-  this._add.push(v);
-};
-
-proto.rem = function(v) {
-  this._rem.push(v);
-};
-
-proto.values = function() {
-  this._get = null;
-  if (this._rem.length === 0) return this._add;
-
-  var a = this._add,
-      r = this._rem,
-      k = this._key,
-      x = Array(a.length - r.length),
-      i, j, n, m;
-
-  if (!util.isObject(r[0])) {
-    // processing raw values
-    m = stats.count.map(r);
-    for (i=0, j=0, n=a.length; i<n; ++i) {
-      if (m[a[i]] > 0) {
-        m[a[i]] -= 1;
-      } else {
-        x[j++] = a[i];
-      }
-    }
-  } else if (k) {
-    // has unique key field, so use that
-    m = util.toMap(r, k);
-    for (i=0, j=0, n=a.length; i<n; ++i) {
-      if (!m.hasOwnProperty(k(a[i]))) { x[j++] = a[i]; }
-    }
-  } else {
-    // no unique key, mark tuples directly
-    for (i=0, n=r.length; i<n; ++i) {
-      r[i][REM] = 1;
-    }
-    for (i=0, j=0, n=a.length; i<n; ++i) {
-      if (!a[i][REM]) { x[j++] = a[i]; }
-    }
-    for (i=0, n=r.length; i<n; ++i) {
-      delete r[i][REM];
-    }
-  }
-
-  this._rem = [];
-  return (this._add = x);
-};
-
-// memoizing statistics methods
-
-proto.extent = function(get) {
-  if (this._get !== get || !this._ext) {
-    var v = this.values(),
-        i = stats.extent.index(v, get);
-    this._ext = [v[i[0]], v[i[1]]];
-    this._get = get;
-  }
-  return this._ext;
-};
-
-proto.argmin = function(get) {
-  return this.extent(get)[0];
-};
-
-proto.argmax = function(get) {
-  return this.extent(get)[1];
-};
-
-proto.min = function(get) {
-  var m = this.extent(get)[0];
-  return m ? get(m) : +Infinity;
-};
-
-proto.max = function(get) {
-  var m = this.extent(get)[1];
-  return m ? get(m) : -Infinity;
-};
-
-proto.quartile = function(get) {
-  if (this._get !== get || !this._q) {
-    this._q = stats.quartile(this.values(), get);
-    this._get = get;
-  }
-  return this._q;
-};
-
-proto.q1 = function(get) {
-  return this.quartile(get)[0];
-};
-
-proto.q2 = function(get) {
-  return this.quartile(get)[1];
-};
-
-proto.q3 = function(get) {
-  return this.quartile(get)[2];
-};
-
-module.exports = Collector;
-
-},{"../stats":28,"../util":31}],11:[function(require,module,exports){
-var util = require('../util');
-var Aggregator = require('./aggregator');
-
-module.exports = function() {
-  // flatten arguments into a single array
-  var args = [].reduce.call(arguments, function(a, x) {
-    return a.concat(util.array(x));
-  }, []);
-  // create and return an aggregator
-  return new Aggregator()
-    .groupby(args)
-    .summarize({'*':'values'});
-};
-
-},{"../util":31,"./aggregator":9}],12:[function(require,module,exports){
-var util = require('../util');
-
-var types = {
-  'values': measure({
-    name: 'values',
-    init: 'cell.collect = true;',
-    set:  'cell.data.values()', idx: -1
-  }),
-  'count': measure({
-    name: 'count',
-    set:  'cell.num'
-  }),
-  'missing': measure({
-    name: 'missing',
-    set:  'this.missing'
-  }),
-  'valid': measure({
-    name: 'valid',
-    set:  'this.valid'
-  }),
-  'sum': measure({
-    name: 'sum',
-    init: 'this.sum = 0;',
-    add:  'this.sum += v;',
-    rem:  'this.sum -= v;',
-    set:  'this.sum'
-  }),
-  'mean': measure({
-    name: 'mean',
-    init: 'this.mean = 0;',
-    add:  'var d = v - this.mean; this.mean += d / this.valid;',
-    rem:  'var d = v - this.mean; this.mean -= this.valid ? d / this.valid : this.mean;',
-    set:  'this.mean'
-  }),
-  'average': measure({
-    name: 'average',
-    set:  'this.mean',
-    req:  ['mean'], idx: 1
-  }),
-  'variance': measure({
-    name: 'variance',
-    init: 'this.dev = 0;',
-    add:  'this.dev += d * (v - this.mean);',
-    rem:  'this.dev -= d * (v - this.mean);',
-    set:  'this.valid > 1 ? this.dev / (this.valid-1) : 0',
-    req:  ['mean'], idx: 1
-  }),
-  'variancep': measure({
-    name: 'variancep',
-    set:  'this.valid > 1 ? this.dev / this.valid : 0',
-    req:  ['variance'], idx: 2
-  }),
-  'stdev': measure({
-    name: 'stdev',
-    set:  'this.valid > 1 ? Math.sqrt(this.dev / (this.valid-1)) : 0',
-    req:  ['variance'], idx: 2
-  }),
-  'stdevp': measure({
-    name: 'stdevp',
-    set:  'this.valid > 1 ? Math.sqrt(this.dev / this.valid) : 0',
-    req:  ['variance'], idx: 2
-  }),
-  'median': measure({
-    name: 'median',
-    set:  'cell.data.q2(this.get)',
-    req:  ['values'], idx: 3
-  }),
-  'q1': measure({
-    name: 'q1',
-    set:  'cell.data.q1(this.get)',
-    req:  ['values'], idx: 3
-  }),
-  'q3': measure({
-    name: 'q3',
-    set:  'cell.data.q3(this.get)',
-    req:  ['values'], idx: 3
-  }),
-  'distinct': measure({
-    name: 'distinct',
-    set:  'this.distinct(cell.data.values(), this.get)',
-    req:  ['values'], idx: 3
-  }),
-  'argmin': measure({
-    name: 'argmin',
-    add:  'if (v < this.min) this.argmin = t;',
-    rem:  'if (v <= this.min) this.argmin = null;',
-    set:  'this.argmin = this.argmin || cell.data.argmin(this.get)',
-    req:  ['min'], str: ['values'], idx: 3
-  }),
-  'argmax': measure({
-    name: 'argmax',
-    add:  'if (v > this.max) this.argmax = t;',
-    rem:  'if (v >= this.max) this.argmax = null;',
-    set:  'this.argmax = this.argmax || cell.data.argmax(this.get)',
-    req:  ['max'], str: ['values'], idx: 3
-  }),
-  'min': measure({
-    name: 'min',
-    init: 'this.min = +Infinity;',
-    add:  'if (v < this.min) this.min = v;',
-    rem:  'if (v <= this.min) this.min = NaN;',
-    set:  'this.min = (isNaN(this.min) ? cell.data.min(this.get) : this.min)',
-    str:  ['values'], idx: 4
-  }),
-  'max': measure({
-    name: 'max',
-    init: 'this.max = -Infinity;',
-    add:  'if (v > this.max) this.max = v;',
-    rem:  'if (v >= this.max) this.max = NaN;',
-    set:  'this.max = (isNaN(this.max) ? cell.data.max(this.get) : this.max)',
-    str:  ['values'], idx: 4
-  }),
-  'modeskew': measure({
-    name: 'modeskew',
-    set:  'this.dev===0 ? 0 : (this.mean - cell.data.q2(this.get)) / Math.sqrt(this.dev/(this.valid-1))',
-    req:  ['mean', 'stdev', 'median'], idx: 5
-  })
-};
-
-function measure(base) {
-  return function(out) {
-    var m = util.extend({init:'', add:'', rem:'', idx:0}, base);
-    m.out = out || base.name;
-    return m;
-  };
-}
-
-function resolve(agg, stream) {
-  function collect(m, a) {
-    function helper(r) { if (!m[r]) collect(m, m[r] = types[r]()); }
-    if (a.req) a.req.forEach(helper);
-    if (stream && a.str) a.str.forEach(helper);
-    return m;
-  }
-  var map = agg.reduce(
-    collect,
-    agg.reduce(function(m, a) { return (m[a.name] = a, m); }, {})
-  );
-  return util.vals(map).sort(function(a, b) { return a.idx - b.idx; });
-}
-
-function create(agg, stream, accessor, mutator) {
-  var all = resolve(agg, stream),
-      ctr = 'this.cell = cell; this.tuple = t; this.valid = 0; this.missing = 0;',
-      add = 'if (v==null) this.missing++; if (!this.isValid(v)) return; ++this.valid;',
-      rem = 'if (v==null) this.missing--; if (!this.isValid(v)) return; --this.valid;',
-      set = 'var t = this.tuple; var cell = this.cell;';
-
-  all.forEach(function(a) {
-    if (a.idx < 0) {
-      ctr = a.init + ctr;
-      add = a.add + add;
-      rem = a.rem + rem;
-    } else {
-      ctr += a.init;
-      add += a.add;
-      rem += a.rem;
-    }
-  });
-  agg.slice()
-    .sort(function(a, b) { return a.idx - b.idx; })
-    .forEach(function(a) {
-      set += 'this.assign(t,\''+a.out+'\','+a.set+');';
-    });
-  set += 'return t;';
-
-  /* jshint evil: true */
-  ctr = Function('cell', 't', ctr);
-  ctr.prototype.assign = mutator;
-  ctr.prototype.add = Function('t', 'var v = this.get(t);' + add);
-  ctr.prototype.rem = Function('t', 'var v = this.get(t);' + rem);
-  ctr.prototype.set = Function(set);
-  ctr.prototype.get = accessor;
-  ctr.prototype.distinct = require('../stats').count.distinct;
-  ctr.prototype.isValid = util.isValid;
-  ctr.fields = agg.map(util.$('out'));
-  return ctr;
-}
-
-types.create = create;
-module.exports = types;
-
-},{"../stats":28,"../util":31}],13:[function(require,module,exports){
-var util = require('../util'),
-    time = require('../time'),
-    EPSILON = 1e-15;
-
-function bins(opt) {
-  if (!opt) { throw Error("Missing binning options."); }
-
-  // determine range
-  var maxb = opt.maxbins || 15,
-      base = opt.base || 10,
-      logb = Math.log(base),
-      div = opt.div || [5, 2],
-      min = opt.min,
-      max = opt.max,
-      span = max - min,
-      step, level, minstep, precision, v, i, eps;
-
-  if (opt.step) {
-    // if step size is explicitly given, use that
-    step = opt.step;
-  } else if (opt.steps) {
-    // if provided, limit choice to acceptable step sizes
-    step = opt.steps[Math.min(
-      opt.steps.length - 1,
-      bisect(opt.steps, span/maxb, 0, opt.steps.length)
-    )];
-  } else {
-    // else use span to determine step size
-    level = Math.ceil(Math.log(maxb) / logb);
-    minstep = opt.minstep || 0;
-    step = Math.max(
-      minstep,
-      Math.pow(base, Math.round(Math.log(span) / logb) - level)
-    );
-
-    // increase step size if too many bins
-    do { step *= base; } while (Math.ceil(span/step) > maxb);
-
-    // decrease step size if allowed
-    for (i=0; i<div.length; ++i) {
-      v = step / div[i];
-      if (v >= minstep && span / v <= maxb) step = v;
-    }
-  }
-
-  // update precision, min and max
-  v = Math.log(step);
-  precision = v >= 0 ? 0 : ~~(-v / logb) + 1;
-  eps = Math.pow(base, -precision - 1);
-  min = Math.min(min, Math.floor(min / step + eps) * step);
-  max = Math.ceil(max / step) * step;
-
-  return {
-    start: min,
-    stop:  max,
-    step:  step,
-    unit:  {precision: precision},
-    value: value,
-    index: index
-  };
-}
-
-function bisect(a, x, lo, hi) {
-  while (lo < hi) {
-    var mid = lo + hi >>> 1;
-    if (util.cmp(a[mid], x) < 0) { lo = mid + 1; }
-    else { hi = mid; }
-  }
-  return lo;
-}
-
-function value(v) {
-  return this.step * Math.floor(v / this.step + EPSILON);
-}
-
-function index(v) {
-  return Math.floor((v - this.start) / this.step + EPSILON);
-}
-
-function date_value(v) {
-  return this.unit.date(value.call(this, v));
-}
-
-function date_index(v) {
-  return index.call(this, this.unit.unit(v));
-}
-
-bins.date = function(opt) {
-  if (!opt) { throw Error("Missing date binning options."); }
-
-  // find time step, then bin
-  var units = opt.utc ? time.utc : time,
-      dmin = opt.min,
-      dmax = opt.max,
-      maxb = opt.maxbins || 20,
-      minb = opt.minbins || 4,
-      span = (+dmax) - (+dmin),
-      unit = opt.unit ? units[opt.unit] : units.find(span, minb, maxb),
-      spec = bins({
-        min:     unit.min != null ? unit.min : unit.unit(dmin),
-        max:     unit.max != null ? unit.max : unit.unit(dmax),
-        maxbins: maxb,
-        minstep: unit.minstep,
-        steps:   unit.step
-      });
-
-  spec.unit = unit;
-  spec.index = date_index;
-  if (!opt.raw) spec.value = date_value;
-  return spec;
-};
-
-module.exports = bins;
-
-},{"../time":30,"../util":31}],14:[function(require,module,exports){
-var bins = require('./bins'),
-    gen  = require('../generate'),
-    type = require('../import/type'),
-    util = require('../util'),
-    stats = require('../stats');
-
-var qtype = {
-  'integer': 1,
-  'number': 1,
-  'date': 1
-};
-
-function $bin(values, f, opt) {
-  opt = options(values, f, opt);
-  var b = spec(opt);
-  return !b ? (opt.accessor || util.identity) :
-    util.$func('bin', b.unit.unit ?
-      function(x) { return b.value(b.unit.unit(x)); } :
-      function(x) { return b.value(x); }
-    )(opt.accessor);
-}
-
-function histogram(values, f, opt) {
-  opt = options(values, f, opt);
-  var b = spec(opt);
-  return b ?
-    numerical(values, opt.accessor, b) :
-    categorical(values, opt.accessor, opt && opt.sort);
-}
-
-function spec(opt) {
-  var t = opt.type, b = null;
-  if (t == null || qtype[t]) {
-    if (t === 'integer' && opt.minstep == null) opt.minstep = 1;
-    b = (t === 'date') ? bins.date(opt) : bins(opt);
-  }
-  return b;
-}
-
-function options() {
-  var a = arguments,
-      i = 0,
-      values = util.isArray(a[i]) ? a[i++] : null,
-      f = util.isFunction(a[i]) || util.isString(a[i]) ? util.$(a[i++]) : null,
-      opt = util.extend({}, a[i]);
-
-  if (values) {
-    opt.type = opt.type || type(values, f);
-    if (qtype[opt.type]) {
-      var ext = stats.extent(values, f);
-      opt = util.extend({min: ext[0], max: ext[1]}, opt);
-    }
-  }
-  if (f) { opt.accessor = f; }
-  return opt;
-}
-
-function numerical(values, f, b) {
-  var h = gen.range(b.start, b.stop + b.step/2, b.step)
-    .map(function(v) { return {value: b.value(v), count: 0}; });
-
-  for (var i=0, v, j; i<values.length; ++i) {
-    v = f ? f(values[i]) : values[i];
-    if (util.isValid(v)) {
-      j = b.index(v);
-      if (j < 0 || j >= h.length || !isFinite(j)) continue;
-      h[j].count += 1;
-    }
-  }
-  h.bins = b;
-  return h;
-}
-
-function categorical(values, f, sort) {
-  var u = stats.unique(values, f),
-      c = stats.count.map(values, f);
-  return u.map(function(k) { return {value: k, count: c[k]}; })
-    .sort(util.comparator(sort ? '-count' : '+value'));
-}
-
-module.exports = {
-  $bin: $bin,
-  histogram: histogram
-};
-
-},{"../generate":16,"../import/type":25,"../stats":28,"../util":31,"./bins":13}],15:[function(require,module,exports){
-var d3_time = require('d3-time'),
-    d3_timeF = require('d3-time-format'),
-    d3_numberF = require('d3-format'),
-    numberF = d3_numberF, // defaults to EN-US
-    timeF = d3_timeF;     // defaults to EN-US
-
-function numberLocale(l) {
-  var f = d3_numberF.localeFormat(l);
-  if (f == null) throw Error('Unrecognized locale: ' + l);
-  numberF = f;
-}
-
-function timeLocale(l) {
-  var f = d3_timeF.localeFormat(l);
-  if (f == null) throw Error('Unrecognized locale: ' + l);
-  timeF = f;
-}
-
-module.exports = {
-  // Update number formatter to use provided locale configuration.
-  // For more see https://github.com/d3/d3-format
-  numberLocale: numberLocale,
-  number:       function(f) { return numberF.format(f); },
-  numberPrefix: function(f, v) { return numberF.formatPrefix(f, v); },
-
-  // Update time formatter to use provided locale configuration.
-  // For more see https://github.com/d3/d3-time-format
-  timeLocale:   timeLocale,
-  time:         function(f) { return timeF.format(f); },
-  utc:          function(f) { return timeF.utcFormat(f); },
-
-  // Set number and time locale simultaneously.
-  locale:       function(l) { numberLocale(l); timeLocale(l); },
-
-  // automatic formatting functions
-  auto: {
-    number:   numberAutoFormat,
-    time:     function() { return timeAutoFormat(); },
-    utc:      function() { return utcAutoFormat(); }
-  }
-};
-
-var e10 = Math.sqrt(50),
-    e5 = Math.sqrt(10),
-    e2 = Math.sqrt(2);
-
-function intervals(domain, count) {
-  if (!domain.length) domain = [0];
-  if (count == null) count = 10;
-
-  var start = domain[0],
-      stop = domain[domain.length - 1];
-
-  if (stop < start) { error = stop; stop = start; start = error; }
-
-  var span = (stop - start) || (count = 1, start || stop || 1),
-      step = Math.pow(10, Math.floor(Math.log(span / count) / Math.LN10)),
-      error = span / count / step;
-
-  // Filter ticks to get closer to the desired count.
-  if (error >= e10) step *= 10;
-  else if (error >= e5) step *= 5;
-  else if (error >= e2) step *= 2;
-
-  // Round start and stop values to step interval.
-  return [
-    Math.ceil(start / step) * step,
-    Math.floor(stop / step) * step + step / 2, // inclusive
-    step
-  ];
-}
-
-function significantDigits(domain) {
-  return domain.map(function(x) {
-    // determine significant digits based on exponential format
-    var s = x.toExponential(),
-        e = s.indexOf('e'),
-        d = s.indexOf('.');
-    return d < 0 ? 1 : (e-d);
-  }).reduce(function(max, p) {
-    // return the maximum sig digit count
-    return Math.max(max, p);
-  }, 0);
-}
-
-function numberAutoFormat(domain, count, f) {
-  var range = intervals(domain, count);
-  if (f == null) {
-    f = ',.' + d3_numberF.precisionFixed(range[2]) + 'f';
-  } else {
-    switch (f = d3_numberF.formatSpecifier(f), f.type) {
-      case 's': {
-        if (f.precision == null) f.precision = significantDigits(domain);
-        return numberF.format(f);
-      }
-      case '':
-      case 'e':
-      case 'g':
-      case 'p':
-      case 'r': {
-        if (f.precision == null) f.precision = d3_numberF.precisionRound(range[2], Math.max(Math.abs(range[0]), Math.abs(range[1]))) - (f.type === 'e');
-        break;
-      }
-      case 'f':
-      case '%': {
-        if (f.precision == null) f.precision = d3_numberF.precisionFixed(range[2]) - (f.type === '%') * 2;
-        break;
-      }
-    }
-  }
-  return numberF.format(f);
-}
-
-function timeAutoFormat() {
-  var f = timeF.format,
-      formatMillisecond = f('.%L'),
-      formatSecond = f(':%S'),
-      formatMinute = f('%I:%M'),
-      formatHour = f('%I %p'),
-      formatDay = f('%a %d'),
-      formatWeek = f('%b %d'),
-      formatMonth = f('%B'),
-      formatYear = f('%Y');
-
-  return function(date) {
-    var d = +date;
-    return (d3_time.second(date) < d ? formatMillisecond
-        : d3_time.minute(date) < d ? formatSecond
-        : d3_time.hour(date) < d ? formatMinute
-        : d3_time.day(date) < d ? formatHour
-        : d3_time.month(date) < d ?
-          (d3_time.week(date) < d ? formatDay : formatWeek)
-        : d3_time.year(date) < d ? formatMonth
-        : formatYear)(date);
-  };
-}
-
-function utcAutoFormat() {
-  var f = timeF.utcFormat,
-      formatMillisecond = f('.%L'),
-      formatSecond = f(':%S'),
-      formatMinute = f('%I:%M'),
-      formatHour = f('%I %p'),
-      formatDay = f('%a %d'),
-      formatWeek = f('%b %d'),
-      formatMonth = f('%B'),
-      formatYear = f('%Y');
-
-  return function(date) {
-    var d = +date;
-    return (d3_time.utcSecond(date) < d ? formatMillisecond
-        : d3_time.utcMinute(date) < d ? formatSecond
-        : d3_time.utcHour(date) < d ? formatMinute
-        : d3_time.utcDay(date) < d ? formatHour
-        : d3_time.utcMonth(date) < d ?
-          (d3_time.utcWeek(date) < d ? formatDay : formatWeek)
-        : d3_time.utcYear(date) < d ? formatMonth
-        : formatYear)(date);
-  };
-}
-
-},{"d3-format":6,"d3-time":8,"d3-time-format":7}],16:[function(require,module,exports){
-var gen = module.exports = {};
-
-gen.repeat = function(val, n) {
-  var a = Array(n), i;
-  for (i=0; i<n; ++i) a[i] = val;
-  return a;
-};
-
-gen.zeros = function(n) {
-  return gen.repeat(0, n);
-};
-
-gen.range = function(start, stop, step) {
-  if (arguments.length < 3) {
-    step = 1;
-    if (arguments.length < 2) {
-      stop = start;
-      start = 0;
-    }
-  }
-  if ((stop - start) / step == Infinity) throw new Error('Infinite range');
-  var range = [], i = -1, j;
-  if (step < 0) while ((j = start + step * ++i) > stop) range.push(j);
-  else while ((j = start + step * ++i) < stop) range.push(j);
-  return range;
-};
-
-gen.random = {};
-
-gen.random.uniform = function(min, max) {
-  if (max === undefined) {
-    max = min === undefined ? 1 : min;
-    min = 0;
-  }
-  var d = max - min;
-  var f = function() {
-    return min + d * Math.random();
-  };
-  f.samples = function(n) { return gen.zeros(n).map(f); };
-  return f;
-};
-
-gen.random.integer = function(a, b) {
-  if (b === undefined) {
-    b = a;
-    a = 0;
-  }
-  var d = b - a;
-  var f = function() {
-    return a + Math.floor(d * Math.random());
-  };
-  f.samples = function(n) { return gen.zeros(n).map(f); };
-  return f;
-};
-
-gen.random.normal = function(mean, stdev) {
-  mean = mean || 0;
-  stdev = stdev || 1;
-  var next;
-  var f = function() {
-    var x = 0, y = 0, rds, c;
-    if (next !== undefined) {
-      x = next;
-      next = undefined;
-      return x;
-    }
-    do {
-      x = Math.random()*2-1;
-      y = Math.random()*2-1;
-      rds = x*x + y*y;
-    } while (rds === 0 || rds > 1);
-    c = Math.sqrt(-2*Math.log(rds)/rds); // Box-Muller transform
-    next = mean + y*c*stdev;
-    return mean + x*c*stdev;
-  };
-  f.samples = function(n) { return gen.zeros(n).map(f); };
-  return f;
-};
-
-},{}],17:[function(require,module,exports){
-var util = require('../../util');
-var d3_dsv = require('d3-dsv');
-
-function dsv(data, format) {
-  if (data) {
-    var h = format.header;
-    data = (h ? h.join(format.delimiter) + '\n' : '') + data;
-  }
-  return d3_dsv.dsv(format.delimiter).parse(data);
-}
-
-dsv.delimiter = function(delim) {
-  var fmt = {delimiter: delim};
-  return function(data, format) {
-    return dsv(data, format ? util.extend(format, fmt) : fmt);
-  };
-};
-
-module.exports = dsv;
-
-},{"../../util":31,"d3-dsv":5}],18:[function(require,module,exports){
-var dsv = require('./dsv');
-
-module.exports = {
-  json: require('./json'),
-  topojson: require('./topojson'),
-  treejson: require('./treejson'),
-  dsv: dsv,
-  csv: dsv.delimiter(','),
-  tsv: dsv.delimiter('\t')
-};
-
-},{"./dsv":17,"./json":19,"./topojson":20,"./treejson":21}],19:[function(require,module,exports){
-var util = require('../../util');
-
-module.exports = function(data, format) {
-  var d = util.isObject(data) && !util.isBuffer(data) ?
-    data : JSON.parse(data);
-  if (format && format.property) {
-    d = util.accessor(format.property)(d);
-  }
-  return d;
-};
-
-},{"../../util":31}],20:[function(require,module,exports){
-(function (global){
-var json = require('./json');
-
-var reader = function(data, format) {
-  var topojson = reader.topojson;
-  if (topojson == null) { throw Error('TopoJSON library not loaded.'); }
-
-  var t = json(data, format), obj;
-
-  if (format && format.feature) {
-    if ((obj = t.objects[format.feature])) {
-      return topojson.feature(t, obj).features;
-    } else {
-      throw Error('Invalid TopoJSON object: ' + format.feature);
-    }
-  } else if (format && format.mesh) {
-    if ((obj = t.objects[format.mesh])) {
-      return [topojson.mesh(t, t.objects[format.mesh])];
-    } else {
-      throw Error('Invalid TopoJSON object: ' + format.mesh);
-    }
-  } else {
-    throw Error('Missing TopoJSON feature or mesh parameter.');
-  }
-};
-
-reader.topojson = (typeof window !== "undefined" ? window['topojson'] : typeof global !== "undefined" ? global['topojson'] : null);
-module.exports = reader;
-
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-
-},{"./json":19}],21:[function(require,module,exports){
-var json = require('./json');
-
-module.exports = function(tree, format) {
-  return toTable(json(tree, format), format);
-};
-
-function toTable(root, fields) {
-  var childrenField = fields && fields.children || 'children',
-      parentField = fields && fields.parent || 'parent',
-      table = [];
-
-  function visit(node, parent) {
-    node[parentField] = parent;
-    table.push(node);
-    var children = node[childrenField];
-    if (children) {
-      for (var i=0; i<children.length; ++i) {
-        visit(children[i], node);
-      }
-    }
-  }
-
-  visit(root, null);
-  return (table.root = root, table);
-}
-
-},{"./json":19}],22:[function(require,module,exports){
-// Matches absolute URLs with optional protocol
-//   https://...    file://...    //...
-var protocol_re = /^([A-Za-z]+:)?\/\//;
-
-// Special treatment in node.js for the file: protocol
-var fileProtocol = 'file://';
-
-// Validate and cleanup URL to ensure that it is allowed to be accessed
-// Returns cleaned up URL, or false if access is not allowed
-function sanitizeUrl(opt) {
-  var url = opt.url;
-  if (!url && opt.file) { return fileProtocol + opt.file; }
-
-  // In case this is a relative url (has no host), prepend opt.baseURL
-  if (opt.baseURL && !protocol_re.test(url)) {
-    if (!startsWith(url, '/') && opt.baseURL[opt.baseURL.length-1] !== '/') {
-      url = '/' + url; // Ensure that there is a slash between the baseURL (e.g. hostname) and url
-    }
-    url = opt.baseURL + url;
-  }
-  // relative protocol, starts with '//'
-  if (!load.useXHR && startsWith(url, '//')) {
-    url = (opt.defaultProtocol || 'http') + ':' + url;
-  }
-  // If opt.domainWhiteList is set, only allows url, whose hostname
-  // * Is the same as the origin (window.location.hostname)
-  // * Equals one of the values in the whitelist
-  // * Is a proper subdomain of one of the values in the whitelist
-  if (opt.domainWhiteList) {
-    var domain, origin;
-    if (load.useXHR) {
-      var a = document.createElement('a');
-      a.href = url;
-      // From http://stackoverflow.com/questions/736513/how-do-i-parse-a-url-into-hostname-and-path-in-javascript
-      // IE doesn't populate all link properties when setting .href with a relative URL,
-      // however .href will return an absolute URL which then can be used on itself
-      // to populate these additional fields.
-      if (a.host === '') {
-        a.href = a.href;
-      }
-      domain = a.hostname.toLowerCase();
-      origin = window.location.hostname;
-    } else {
-      // relative protocol is broken: https://github.com/defunctzombie/node-url/issues/5
-      var parts = require('url').parse(url);
-      domain = parts.hostname;
-      origin = null;
-    }
-
-    if (origin !== domain) {
-      var whiteListed = opt.domainWhiteList.some(function(d) {
-        var idx = domain.length - d.length;
-        return d === domain ||
-          (idx > 1 && domain[idx-1] === '.' && domain.lastIndexOf(d) === idx);
-      });
-      if (!whiteListed) {
-        throw 'URL is not whitelisted: ' + url;
-      }
-    }
-  }
-  return url;
-}
-
-function load(opt, callback) {
-  var error = callback || function(e) { throw e; }, url;
-
-  try {
-    url = load.sanitizeUrl(opt); // enable override
-  } catch (err) {
-    error(err);
-    return;
-  }
-
-  if (!url) {
-    error('Invalid URL: ' + opt.url);
-  } else if (load.useXHR) {
-    // on client, use xhr
-    return xhr(url, callback);
-  } else if (startsWith(url, fileProtocol)) {
-    // on server, if url starts with 'file://', strip it and load from file
-    return file(url.slice(fileProtocol.length), callback);
-  } else if (url.indexOf('://') < 0) { // TODO better protocol check?
-    // on server, if no protocol assume file
-    return file(url, callback);
-  } else {
-    // for regular URLs on server
-    return http(url, callback);
-  }
-}
-
-function xhrHasResponse(request) {
-  var type = request.responseType;
-  return type && type !== 'text' ?
-    request.response : // null on error
-    request.responseText; // '' on error
-}
-
-function xhr(url, callback) {
-  var async = !!callback;
-  var request = new XMLHttpRequest();
-  // If IE does not support CORS, use XDomainRequest (copied from d3.xhr)
-  if (this.XDomainRequest &&
-      !('withCredentials' in request) &&
-      /^(http(s)?:)?\/\//.test(url)) request = new XDomainRequest();
-
-  function respond() {
-    var status = request.status;
-    if (!status && xhrHasResponse(request) || status >= 200 && status < 300 || status === 304) {
-      callback(null, request.responseText);
-    } else {
-      callback(request, null);
-    }
-  }
-
-  if (async) {
-    if ('onload' in request) {
-      request.onload = request.onerror = respond;
-    } else {
-      request.onreadystatechange = function() {
-        if (request.readyState > 3) respond();
-      };
-    }
-  }
-
-  request.open('GET', url, async);
-  request.send();
-
-  if (!async && xhrHasResponse(request)) {
-    return request.responseText;
-  }
-}
-
-function file(filename, callback) {
-  var fs = require('fs');
-  if (!callback) {
-    return fs.readFileSync(filename, 'utf8');
-  }
-  fs.readFile(filename, callback);
-}
-
-function http(url, callback) {
-  if (!callback) {
-    return require('sync-request')('GET', url).getBody();
-  }
-
-  var options = {url: url, encoding: null, gzip: true};
-  require('request')(options, function(error, response, body) {
-    if (!error && response.statusCode === 200) {
-      callback(null, body);
-    } else {
-      error = error ||
-        'Load failed with response code ' + response.statusCode + '.';
-      callback(error, null);
-    }
-  });
-}
-
-function startsWith(string, searchString) {
-  return string == null ? false : string.lastIndexOf(searchString, 0) === 0;
-}
-
-load.sanitizeUrl = sanitizeUrl;
-
-load.useXHR = (typeof XMLHttpRequest !== 'undefined');
-
-module.exports = load;
-
-},{"fs":2,"request":2,"sync-request":2,"url":2}],23:[function(require,module,exports){
-var util = require('../util');
-var type = require('./type');
-var formats = require('./formats');
-
-function read(data, format) {
-  var type = (format && format.type) || 'json';
-  data = formats[type](data, format);
-  if (format && format.parse) parse(data, format.parse);
-  return data;
-}
-
-function parse(data, types) {
-  var cols, parsers, d, i, j, clen, len = data.length;
-
-  types = (types==='auto') ? type.inferAll(data) : util.duplicate(types);
-  cols = util.keys(types);
-  parsers = cols.map(function(c) { return type.parsers[types[c]]; });
-
-  for (i=0, clen=cols.length; i<len; ++i) {
-    d = data[i];
-    for (j=0; j<clen; ++j) {
-      d[cols[j]] = parsers[j](d[cols[j]]);
-    }
-  }
-  type.annotation(data, types);
-}
-
-read.formats = formats;
-module.exports = read;
-
-},{"../util":31,"./formats":18,"./type":25}],24:[function(require,module,exports){
-var util = require('../util');
-var load = require('./load');
-var read = require('./read');
-
-module.exports = util
-  .keys(read.formats)
-  .reduce(function(out, type) {
-    out[type] = function(opt, format, callback) {
-      // process arguments
-      if (util.isString(opt)) { opt = {url: opt}; }
-      if (arguments.length === 2 && util.isFunction(format)) {
-        callback = format;
-        format = undefined;
-      }
-
-      // set up read format
-      format = util.extend({parse: 'auto'}, format);
-      format.type = type;
-
-      // load data
-      var data = load(opt, callback ? function(error, data) {
-        if (error) { callback(error, null); return; }
-        try {
-          // data loaded, now parse it (async)
-          data = read(data, format);
-          callback(null, data);
-        } catch (e) {
-          callback(e, null);
-        }
-      } : undefined);
-
-      // data loaded, now parse it (sync)
-      if (!callback) return read(data, format);
-    };
-    return out;
-  }, {});
-
-},{"../util":31,"./load":22,"./read":23}],25:[function(require,module,exports){
-var util = require('../util');
-
-var TYPES = '__types__';
-
-var PARSERS = {
-  boolean: util.boolean,
-  integer: util.number,
-  number:  util.number,
-  date:    util.date,
-  string:  function(x) { return x==='' ? null : x; }
-};
-
-var TESTS = {
-  boolean: function(x) { return x==='true' || x==='false' || util.isBoolean(x); },
-  integer: function(x) { return TESTS.number(x) && (x=+x) === ~~x; },
-  number: function(x) { return !isNaN(+x) && !util.isDate(x); },
-  date: function(x) { return !isNaN(Date.parse(x)); }
-};
-
-function annotation(data, types) {
-  if (!types) return data && data[TYPES] || null;
-  data[TYPES] = types;
-}
-
-function type(values, f) {
-  f = util.$(f);
-  var v, i, n;
-
-  // if data array has type annotations, use them
-  if (values[TYPES]) {
-    v = f(values[TYPES]);
-    if (util.isString(v)) return v;
-  }
-
-  for (i=0, n=values.length; !util.isValid(v) && i<n; ++i) {
-    v = f ? f(values[i]) : values[i];
-  }
-
-  return util.isDate(v) ? 'date' :
-    util.isNumber(v)    ? 'number' :
-    util.isBoolean(v)   ? 'boolean' :
-    util.isString(v)    ? 'string' : null;
-}
-
-function typeAll(data, fields) {
-  if (!data.length) return;
-  fields = fields || util.keys(data[0]);
-  return fields.reduce(function(types, f) {
-    return (types[f] = type(data, f), types);
-  }, {});
-}
-
-function infer(values, f) {
-  f = util.$(f);
-  var i, j, v;
-
-  // types to test for, in precedence order
-  var types = ['boolean', 'integer', 'number', 'date'];
-
-  for (i=0; i<values.length; ++i) {
-    // get next value to test
-    v = f ? f(values[i]) : values[i];
-    // test value against remaining types
-    for (j=0; j<types.length; ++j) {
-      if (util.isValid(v) && !TESTS[types[j]](v)) {
-        types.splice(j, 1);
-        j -= 1;
-      }
-    }
-    // if no types left, return 'string'
-    if (types.length === 0) return 'string';
-  }
-
-  return types[0];
-}
-
-function inferAll(data, fields) {
-  fields = fields || util.keys(data[0]);
-  return fields.reduce(function(types, f) {
-    types[f] = infer(data, f);
-    return types;
-  }, {});
-}
-
-type.annotation = annotation;
-type.all = typeAll;
-type.infer = infer;
-type.inferAll = inferAll;
-type.parsers = PARSERS;
-module.exports = type;
-
-},{"../util":31}],26:[function(require,module,exports){
-var util = require('./util');
-
-var dl = {
-  version:    '1.4.9',
-  load:       require('./import/load'),
-  read:       require('./import/read'),
-  type:       require('./import/type'),
-  Aggregator: require('./aggregate/aggregator'),
-  groupby:    require('./aggregate/groupby'),
-  bins:       require('./bins/bins'),
-  $bin:       require('./bins/histogram').$bin,
-  histogram:  require('./bins/histogram').histogram,
-  format:     require('./format'),
-  print:      require('./print'),
-  template:   require('./template'),
-  time:       require('./time')
-};
-
-util.extend(dl, util);
-util.extend(dl, require('./generate'));
-util.extend(dl, require('./stats'));
-util.extend(dl, require('./import/readers'));
-
-module.exports = dl;
-
-},{"./aggregate/aggregator":9,"./aggregate/groupby":11,"./bins/bins":13,"./bins/histogram":14,"./format":15,"./generate":16,"./import/load":22,"./import/read":23,"./import/readers":24,"./import/type":25,"./print":27,"./stats":28,"./template":29,"./time":30,"./util":31}],27:[function(require,module,exports){
-var util = require('./util');
-var type = require('./import/type');
-var stats = require('./stats');
-var template = require('./template');
-
-var FMT = {
-  'date':    '|time:"%m/%d/%Y %H:%M:%S"',
-  'number':  '|number:".4f"',
-  'integer': '|number:"d"'
-};
-
-var POS = {
-  'number':  'left',
-  'integer': 'left'
-};
-
-module.exports.table = function(data, opt) {
-  opt = util.extend({separator:' ', minwidth: 8, maxwidth: 15}, opt);
-  var fields = opt.fields || util.keys(data[0]),
-      types = type.all(data);
-
-  if (opt.start || opt.limit) {
-    var a = opt.start || 0,
-        b = opt.limit ? a + opt.limit : data.length;
-    data = data.slice(a, b);
-  }
-
-  // determine char width of fields
-  var lens = fields.map(function(name) {
-    var format = FMT[types[name]] || '',
-        t = template('{{' + name + format + '}}'),
-        l = stats.max(data, function(x) { return t(x).length; });
-    l = Math.max(Math.min(name.length, opt.minwidth), l);
-    return opt.maxwidth > 0 ? Math.min(l, opt.maxwidth) : l;
-  });
-
-  // print header row
-  var head = fields.map(function(name, i) {
-    return util.truncate(util.pad(name, lens[i], 'center'), lens[i]);
-  }).join(opt.separator);
-
-  // build template function for each row
-  var tmpl = template(fields.map(function(name, i) {
-    return '{{' +
-      name +
-      (FMT[types[name]] || '') +
-      ('|pad:' + lens[i] + ',' + (POS[types[name]] || 'right')) +
-      ('|truncate:' + lens[i]) +
-    '}}';
-  }).join(opt.separator));
-
-  // print table
-  return head + "\n" + data.map(tmpl).join('\n');
-};
-
-module.exports.summary = function(s) {
-  s = s ? s.__summary__ ? s : stats.summary(s) : this;
-  var str = [], i, n;
-  for (i=0, n=s.length; i<n; ++i) {
-    str.push('-- ' + s[i].field + ' --');
-    if (s[i].type === 'string' || s[i].distinct < 10) {
-      str.push(printCategoricalProfile(s[i]));
-    } else {
-      str.push(printQuantitativeProfile(s[i]));
-    }
-    str.push('');
-  }
-  return str.join('\n');
-};
-
-function printQuantitativeProfile(p) {
-  return [
-    'valid:    ' + p.valid,
-    'missing:  ' + p.missing,
-    'distinct: ' + p.distinct,
-    'min:      ' + p.min,
-    'max:      ' + p.max,
-    'median:   ' + p.median,
-    'mean:     ' + p.mean,
-    'stdev:    ' + p.stdev,
-    'modeskew: ' + p.modeskew
-  ].join('\n');
-}
-
-function printCategoricalProfile(p) {
-  var list = [
-    'valid:    ' + p.valid,
-    'missing:  ' + p.missing,
-    'distinct: ' + p.distinct,
-    'top values: '
-  ];
-  var u = p.unique;
-  var top = util.keys(u)
-    .sort(function(a,b) { return u[b] - u[a]; })
-    .slice(0, 6)
-    .map(function(v) { return ' \'' + v + '\' (' + u[v] + ')'; });
-  return list.concat(top).join('\n');
-}
-
-},{"./import/type":25,"./stats":28,"./template":29,"./util":31}],28:[function(require,module,exports){
-var util = require('./util');
-var type = require('./import/type');
-var gen = require('./generate');
-var stats = {};
-
-// Collect unique values.
-// Output: an array of unique values, in first-observed order
-stats.unique = function(values, f, results) {
-  f = util.$(f);
-  results = results || [];
-  var u = {}, v, i, n;
-  for (i=0, n=values.length; i<n; ++i) {
-    v = f ? f(values[i]) : values[i];
-    if (v in u) continue;
-    u[v] = 1;
-    results.push(v);
-  }
-  return results;
-};
-
-// Return the length of the input array.
-stats.count = function(values) {
-  return values && values.length || 0;
-};
-
-// Count the number of non-null, non-undefined, non-NaN values.
-stats.count.valid = function(values, f) {
-  f = util.$(f);
-  var v, i, n, valid = 0;
-  for (i=0, n=values.length; i<n; ++i) {
-    v = f ? f(values[i]) : values[i];
-    if (util.isValid(v)) valid += 1;
-  }
-  return valid;
-};
-
-// Count the number of null or undefined values.
-stats.count.missing = function(values, f) {
-  f = util.$(f);
-  var v, i, n, count = 0;
-  for (i=0, n=values.length; i<n; ++i) {
-    v = f ? f(values[i]) : values[i];
-    if (v == null) count += 1;
-  }
-  return count;
-};
-
-// Count the number of distinct values.
-// Null, undefined and NaN are each considered distinct values.
-stats.count.distinct = function(values, f) {
-  f = util.$(f);
-  var u = {}, v, i, n, count = 0;
-  for (i=0, n=values.length; i<n; ++i) {
-    v = f ? f(values[i]) : values[i];
-    if (v in u) continue;
-    u[v] = 1;
-    count += 1;
-  }
-  return count;
-};
-
-// Construct a map from distinct values to occurrence counts.
-stats.count.map = function(values, f) {
-  f = util.$(f);
-  var map = {}, v, i, n;
-  for (i=0, n=values.length; i<n; ++i) {
-    v = f ? f(values[i]) : values[i];
-    map[v] = (v in map) ? map[v] + 1 : 1;
-  }
-  return map;
-};
-
-// Compute the median of an array of numbers.
-stats.median = function(values, f) {
-  if (f) values = values.map(util.$(f));
-  values = values.filter(util.isValid).sort(util.cmp);
-  return stats.quantile(values, 0.5);
-};
-
-// Computes the quartile boundaries of an array of numbers.
-stats.quartile = function(values, f) {
-  if (f) values = values.map(util.$(f));
-  values = values.filter(util.isValid).sort(util.cmp);
-  var q = stats.quantile;
-  return [q(values, 0.25), q(values, 0.50), q(values, 0.75)];
-};
-
-// Compute the quantile of a sorted array of numbers.
-// Adapted from the D3.js implementation.
-stats.quantile = function(values, f, p) {
-  if (p === undefined) { p = f; f = util.identity; }
-  f = util.$(f);
-  var H = (values.length - 1) * p + 1,
-      h = Math.floor(H),
-      v = +f(values[h - 1]),
-      e = H - h;
-  return e ? v + e * (f(values[h]) - v) : v;
-};
-
-// Compute the sum of an array of numbers.
-stats.sum = function(values, f) {
-  f = util.$(f);
-  for (var sum=0, i=0, n=values.length, v; i<n; ++i) {
-    v = f ? f(values[i]) : values[i];
-    if (util.isValid(v)) sum += v;
-  }
-  return sum;
-};
-
-// Compute the mean (average) of an array of numbers.
-stats.mean = function(values, f) {
-  f = util.$(f);
-  var mean = 0, delta, i, n, c, v;
-  for (i=0, c=0, n=values.length; i<n; ++i) {
-    v = f ? f(values[i]) : values[i];
-    if (util.isValid(v)) {
-      delta = v - mean;
-      mean = mean + delta / (++c);
-    }
-  }
-  return mean;
-};
-
-// Compute the sample variance of an array of numbers.
-stats.variance = function(values, f) {
-  f = util.$(f);
-  if (!util.isArray(values) || values.length < 2) return 0;
-  var mean = 0, M2 = 0, delta, i, c, v;
-  for (i=0, c=0; i<values.length; ++i) {
-    v = f ? f(values[i]) : values[i];
-    if (util.isValid(v)) {
-      delta = v - mean;
-      mean = mean + delta / (++c);
-      M2 = M2 + delta * (v - mean);
-    }
-  }
-  M2 = M2 / (c - 1);
-  return M2;
-};
-
-// Compute the sample standard deviation of an array of numbers.
-stats.stdev = function(values, f) {
-  return Math.sqrt(stats.variance(values, f));
-};
-
-// Compute the Pearson mode skewness ((median-mean)/stdev) of an array of numbers.
-stats.modeskew = function(values, f) {
-  var avg = stats.mean(values, f),
-      med = stats.median(values, f),
-      std = stats.stdev(values, f);
-  return std === 0 ? 0 : (avg - med) / std;
-};
-
-// Find the minimum value in an array.
-stats.min = function(values, f) {
-  return stats.extent(values, f)[0];
-};
-
-// Find the maximum value in an array.
-stats.max = function(values, f) {
-  return stats.extent(values, f)[1];
-};
-
-// Find the minimum and maximum of an array of values.
-stats.extent = function(values, f) {
-  f = util.$(f);
-  var a, b, v, i, n = values.length;
-  for (i=0; i<n; ++i) {
-    v = f ? f(values[i]) : values[i];
-    if (util.isValid(v)) { a = b = v; break; }
-  }
-  for (; i<n; ++i) {
-    v = f ? f(values[i]) : values[i];
-    if (util.isValid(v)) {
-      if (v < a) a = v;
-      if (v > b) b = v;
-    }
-  }
-  return [a, b];
-};
-
-// Find the integer indices of the minimum and maximum values.
-stats.extent.index = function(values, f) {
-  f = util.$(f);
-  var x = -1, y = -1, a, b, v, i, n = values.length;
-  for (i=0; i<n; ++i) {
-    v = f ? f(values[i]) : values[i];
-    if (util.isValid(v)) { a = b = v; x = y = i; break; }
-  }
-  for (; i<n; ++i) {
-    v = f ? f(values[i]) : values[i];
-    if (util.isValid(v)) {
-      if (v < a) { a = v; x = i; }
-      if (v > b) { b = v; y = i; }
-    }
-  }
-  return [x, y];
-};
-
-// Compute the dot product of two arrays of numbers.
-stats.dot = function(values, a, b) {
-  var sum = 0, i, v;
-  if (!b) {
-    if (values.length !== a.length) {
-      throw Error('Array lengths must match.');
-    }
-    for (i=0; i<values.length; ++i) {
-      v = values[i] * a[i];
-      if (v === v) sum += v;
-    }
-  } else {
-    a = util.$(a);
-    b = util.$(b);
-    for (i=0; i<values.length; ++i) {
-      v = a(values[i]) * b(values[i]);
-      if (v === v) sum += v;
-    }
-  }
-  return sum;
-};
-
-// Compute ascending rank scores for an array of values.
-// Ties are assigned their collective mean rank.
-stats.rank = function(values, f) {
-  f = util.$(f) || util.identity;
-  var a = values.map(function(v, i) {
-      return {idx: i, val: f(v)};
-    })
-    .sort(util.comparator('val'));
-
-  var n = values.length,
-      r = Array(n),
-      tie = -1, p = {}, i, v, mu;
-
-  for (i=0; i<n; ++i) {
-    v = a[i].val;
-    if (tie < 0 && p === v) {
-      tie = i - 1;
-    } else if (tie > -1 && p !== v) {
-      mu = 1 + (i-1 + tie) / 2;
-      for (; tie<i; ++tie) r[a[tie].idx] = mu;
-      tie = -1;
-    }
-    r[a[i].idx] = i + 1;
-    p = v;
-  }
-
-  if (tie > -1) {
-    mu = 1 + (n-1 + tie) / 2;
-    for (; tie<n; ++tie) r[a[tie].idx] = mu;
-  }
-
-  return r;
-};
-
-// Compute the sample Pearson product-moment correlation of two arrays of numbers.
-stats.cor = function(values, a, b) {
-  var fn = b;
-  b = fn ? values.map(util.$(b)) : a;
-  a = fn ? values.map(util.$(a)) : values;
-
-  var dot = stats.dot(a, b),
-      mua = stats.mean(a),
-      mub = stats.mean(b),
-      sda = stats.stdev(a),
-      sdb = stats.stdev(b),
-      n = values.length;
-
-  return (dot - n*mua*mub) / ((n-1) * sda * sdb);
-};
-
-// Compute the Spearman rank correlation of two arrays of values.
-stats.cor.rank = function(values, a, b) {
-  var ra = b ? stats.rank(values, util.$(a)) : stats.rank(values),
-      rb = b ? stats.rank(values, util.$(b)) : stats.rank(a),
-      n = values.length, i, s, d;
-
-  for (i=0, s=0; i<n; ++i) {
-    d = ra[i] - rb[i];
-    s += d * d;
-  }
-
-  return 1 - 6*s / (n * (n*n-1));
-};
-
-// Compute the distance correlation of two arrays of numbers.
-// http://en.wikipedia.org/wiki/Distance_correlation
-stats.cor.dist = function(values, a, b) {
-  var X = b ? values.map(util.$(a)) : values,
-      Y = b ? values.map(util.$(b)) : a;
-
-  var A = stats.dist.mat(X),
-      B = stats.dist.mat(Y),
-      n = A.length,
-      i, aa, bb, ab;
-
-  for (i=0, aa=0, bb=0, ab=0; i<n; ++i) {
-    aa += A[i]*A[i];
-    bb += B[i]*B[i];
-    ab += A[i]*B[i];
-  }
-
-  return Math.sqrt(ab / Math.sqrt(aa*bb));
-};
-
-// Compute the vector distance between two arrays of numbers.
-// Default is Euclidean (exp=2) distance, configurable via exp argument.
-stats.dist = function(values, a, b, exp) {
-  var f = util.isFunction(b) || util.isString(b),
-      X = values,
-      Y = f ? values : a,
-      e = f ? exp : b,
-      L2 = e === 2 || e == null,
-      n = values.length, s = 0, d, i;
-  if (f) {
-    a = util.$(a);
-    b = util.$(b);
-  }
-  for (i=0; i<n; ++i) {
-    d = f ? (a(X[i])-b(Y[i])) : (X[i]-Y[i]);
-    s += L2 ? d*d : Math.pow(Math.abs(d), e);
-  }
-  return L2 ? Math.sqrt(s) : Math.pow(s, 1/e);
-};
-
-// Construct a mean-centered distance matrix for an array of numbers.
-stats.dist.mat = function(X) {
-  var n = X.length,
-      m = n*n,
-      A = Array(m),
-      R = gen.zeros(n),
-      M = 0, v, i, j;
-
-  for (i=0; i<n; ++i) {
-    A[i*n+i] = 0;
-    for (j=i+1; j<n; ++j) {
-      A[i*n+j] = (v = Math.abs(X[i] - X[j]));
-      A[j*n+i] = v;
-      R[i] += v;
-      R[j] += v;
-    }
-  }
-
-  for (i=0; i<n; ++i) {
-    M += R[i];
-    R[i] /= n;
-  }
-  M /= m;
-
-  for (i=0; i<n; ++i) {
-    for (j=i; j<n; ++j) {
-      A[i*n+j] += M - R[i] - R[j];
-      A[j*n+i] = A[i*n+j];
-    }
-  }
-
-  return A;
-};
-
-// Compute the Shannon entropy (log base 2) of an array of counts.
-stats.entropy = function(counts, f) {
-  f = util.$(f);
-  var i, p, s = 0, H = 0, n = counts.length;
-  for (i=0; i<n; ++i) {
-    s += (f ? f(counts[i]) : counts[i]);
-  }
-  if (s === 0) return 0;
-  for (i=0; i<n; ++i) {
-    p = (f ? f(counts[i]) : counts[i]) / s;
-    if (p) H += p * Math.log(p);
-  }
-  return -H / Math.LN2;
-};
-
-// Compute the mutual information between two discrete variables.
-// Returns an array of the form [MI, MI_distance]
-// MI_distance is defined as 1 - I(a,b) / H(a,b).
-// http://en.wikipedia.org/wiki/Mutual_information
-stats.mutual = function(values, a, b, counts) {
-  var x = counts ? values.map(util.$(a)) : values,
-      y = counts ? values.map(util.$(b)) : a,
-      z = counts ? values.map(util.$(counts)) : b;
-
-  var px = {},
-      py = {},
-      n = z.length,
-      s = 0, I = 0, H = 0, p, t, i;
-
-  for (i=0; i<n; ++i) {
-    px[x[i]] = 0;
-    py[y[i]] = 0;
-  }
-
-  for (i=0; i<n; ++i) {
-    px[x[i]] += z[i];
-    py[y[i]] += z[i];
-    s += z[i];
-  }
-
-  t = 1 / (s * Math.LN2);
-  for (i=0; i<n; ++i) {
-    if (z[i] === 0) continue;
-    p = (s * z[i]) / (px[x[i]] * py[y[i]]);
-    I += z[i] * t * Math.log(p);
-    H += z[i] * t * Math.log(z[i]/s);
-  }
-
-  return [I, 1 + I/H];
-};
-
-// Compute the mutual information between two discrete variables.
-stats.mutual.info = function(values, a, b, counts) {
-  return stats.mutual(values, a, b, counts)[0];
-};
-
-// Compute the mutual information distance between two discrete variables.
-// MI_distance is defined as 1 - I(a,b) / H(a,b).
-stats.mutual.dist = function(values, a, b, counts) {
-  return stats.mutual(values, a, b, counts)[1];
-};
-
-// Compute a profile of summary statistics for a variable.
-stats.profile = function(values, f) {
-  var mean = 0,
-      valid = 0,
-      missing = 0,
-      distinct = 0,
-      min = null,
-      max = null,
-      M2 = 0,
-      vals = [],
-      u = {}, delta, sd, i, v, x;
-
-  // compute summary stats
-  for (i=0; i<values.length; ++i) {
-    v = f ? f(values[i]) : values[i];
-
-    // update unique values
-    u[v] = (v in u) ? u[v] + 1 : (distinct += 1, 1);
-
-    if (v == null) {
-      ++missing;
-    } else if (util.isValid(v)) {
-      // update stats
-      x = (typeof v === 'string') ? v.length : v;
-      if (min===null || x < min) min = x;
-      if (max===null || x > max) max = x;
-      delta = x - mean;
-      mean = mean + delta / (++valid);
-      M2 = M2 + delta * (x - mean);
-      vals.push(x);
-    }
-  }
-  M2 = M2 / (valid - 1);
-  sd = Math.sqrt(M2);
-
-  // sort values for median and iqr
-  vals.sort(util.cmp);
-
-  return {
-    type:     type(values, f),
-    unique:   u,
-    count:    values.length,
-    valid:    valid,
-    missing:  missing,
-    distinct: distinct,
-    min:      min,
-    max:      max,
-    mean:     mean,
-    stdev:    sd,
-    median:   (v = stats.quantile(vals, 0.5)),
-    q1:       stats.quantile(vals, 0.25),
-    q3:       stats.quantile(vals, 0.75),
-    modeskew: sd === 0 ? 0 : (mean - v) / sd
-  };
-};
-
-// Compute profiles for all variables in a data set.
-stats.summary = function(data, fields) {
-  fields = fields || util.keys(data[0]);
-  var s = fields.map(function(f) {
-    var p = stats.profile(data, util.$(f));
-    return (p.field = f, p);
-  });
-  return (s.__summary__ = true, s);
-};
-
-module.exports = stats;
-
-},{"./generate":16,"./import/type":25,"./util":31}],29:[function(require,module,exports){
-var util = require('./util'),
-    format = require('./format');
-
-var context = {
-  formats:    [],
-  format_map: {},
-  truncate:   util.truncate,
-  pad:        util.pad
-};
-
-function template(text) {
-  var src = source(text, 'd');
-  src = 'var __t; return ' + src + ';';
-
-  /* jshint evil: true */
-  return (new Function('d', src)).bind(context);
-}
-
-template.source = source;
-template.context = context;
-module.exports = template;
-
-// Clear cache of format objects.
-// This can *break* prior template functions, so invoke with care!
-template.clearFormatCache = function() {
-  context.formats = [];
-  context.format_map = {};
-};
-
-// Generate property access code for use within template source.
-// object: the name of the object (variable) containing template data
-// property: the property access string, verbatim from template tag
-template.property = function(object, property) {
-  var src = util.field(property).map(util.str).join('][');
-  return object + '[' + src + ']';
-};
-
-// Generate source code for a template function.
-// text: the template text
-// variable: the name of the data object variable ('obj' by default)
-// properties: optional hash for collecting all accessed properties
-function source(text, variable, properties) {
-  variable = variable || 'obj';
-  var index = 0;
-  var src = '\'';
-  var regex = template_re;
-
-  // Compile the template source, escaping string literals appropriately.
-  text.replace(regex, function(match, interpolate, offset) {
-    src += text
-      .slice(index, offset)
-      .replace(template_escaper, template_escapeChar);
-    index = offset + match.length;
-
-    if (interpolate) {
-      src += '\'\n+((__t=(' +
-        template_var(interpolate, variable, properties) +
-        '))==null?\'\':__t)+\n\'';
-    }
-
-    // Adobe VMs need the match returned to produce the correct offest.
-    return match;
-  });
-  return src + '\'';
-}
-
-function template_var(text, variable, properties) {
-  var filters = text.match(filter_re);
-  var prop = filters.shift().trim();
-  var stringCast = true;
-
-  function strcall(fn) {
-    fn = fn || '';
-    if (stringCast) {
-      stringCast = false;
-      src = 'String(' + src + ')' + fn;
-    } else {
-      src += fn;
-    }
-    return src;
-  }
-
-  function date() {
-    return '(typeof ' + src + '==="number"?new Date('+src+'):'+src+')';
-  }
-
-  function number_format(fmt, key) {
-    a = template_format(args[0], key, fmt);
-    stringCast = false;
-    src = 'this.formats['+a+']('+src+')';
-  }
-
-  function time_format(fmt, key) {
-    a = template_format(args[0], key, fmt);
-    stringCast = false;
-    src = 'this.formats['+a+']('+date()+')';
-  }
-
-  if (properties) properties[prop] = 1;
-  var src = template.property(variable, prop);
-
-  for (var i=0; i<filters.length; ++i) {
-    var f = filters[i], args = null, pidx, a, b;
-
-    if ((pidx=f.indexOf(':')) > 0) {
-      f = f.slice(0, pidx);
-      args = filters[i].slice(pidx+1)
-        .match(args_re)
-        .map(function(s) { return s.trim(); });
-    }
-    f = f.trim();
-
-    switch (f) {
-      case 'length':
-        strcall('.length');
-        break;
-      case 'lower':
-        strcall('.toLowerCase()');
-        break;
-      case 'upper':
-        strcall('.toUpperCase()');
-        break;
-      case 'lower-locale':
-        strcall('.toLocaleLowerCase()');
-        break;
-      case 'upper-locale':
-        strcall('.toLocaleUpperCase()');
-        break;
-      case 'trim':
-        strcall('.trim()');
-        break;
-      case 'left':
-        a = util.number(args[0]);
-        strcall('.slice(0,' + a + ')');
-        break;
-      case 'right':
-        a = util.number(args[0]);
-        strcall('.slice(-' + a +')');
-        break;
-      case 'mid':
-        a = util.number(args[0]);
-        b = a + util.number(args[1]);
-        strcall('.slice(+'+a+','+b+')');
-        break;
-      case 'slice':
-        a = util.number(args[0]);
-        strcall('.slice('+ a +
-          (args.length > 1 ? ',' + util.number(args[1]) : '') +
-          ')');
-        break;
-      case 'truncate':
-        a = util.number(args[0]);
-        b = args[1];
-        b = (b!=='left' && b!=='middle' && b!=='center') ? 'right' : b;
-        src = 'this.truncate(' + strcall() + ',' + a + ',\'' + b + '\')';
-        break;
-      case 'pad':
-        a = util.number(args[0]);
-        b = args[1];
-        b = (b!=='left' && b!=='middle' && b!=='center') ? 'right' : b;
-        src = 'this.pad(' + strcall() + ',' + a + ',\'' + b + '\')';
-        break;
-      case 'number':
-        number_format(format.number, 'number');
-        break;
-      case 'time':
-        time_format(format.time, 'time');
-        break;
-      case 'time-utc':
-        time_format(format.utc, 'time-utc');
-        break;
-      default:
-        throw Error('Unrecognized template filter: ' + f);
-    }
-  }
-
-  return src;
-}
-
-var template_re = /\{\{(.+?)\}\}|$/g,
-    filter_re = /(?:"[^"]*"|\'[^\']*\'|[^\|"]+|[^\|\']+)+/g,
-    args_re = /(?:"[^"]*"|\'[^\']*\'|[^,"]+|[^,\']+)+/g;
-
-// Certain characters need to be escaped so that they can be put into a
-// string literal.
-var template_escapes = {
-  '\'':     '\'',
-  '\\':     '\\',
-  '\r':     'r',
-  '\n':     'n',
-  '\u2028': 'u2028',
-  '\u2029': 'u2029'
-};
-
-var template_escaper = /\\|'|\r|\n|\u2028|\u2029/g;
-
-function template_escapeChar(match) {
-  return '\\' + template_escapes[match];
-}
-
-function template_format(pattern, key, fmt) {
-  if ((pattern[0] === '\'' && pattern[pattern.length-1] === '\'') ||
-      (pattern[0] === '"'  && pattern[pattern.length-1] === '"')) {
-    pattern = pattern.slice(1, -1);
-  } else {
-    throw Error('Format pattern must be quoted: ' + pattern);
-  }
-  key = key + ':' + pattern;
-  if (!context.format_map[key]) {
-    var f = fmt(pattern);
-    var i = context.formats.length;
-    context.formats.push(f);
-    context.format_map[key] = i;
-  }
-  return context.format_map[key];
-}
-
-},{"./format":15,"./util":31}],30:[function(require,module,exports){
-var d3_time = require('d3-time');
-
-var tempDate = new Date(),
-    baseDate = new Date(0, 0, 1).setFullYear(0), // Jan 1, 0 AD
-    utcBaseDate = new Date(Date.UTC(0, 0, 1)).setUTCFullYear(0);
-
-function date(d) {
-  return (tempDate.setTime(+d), tempDate);
-}
-
-// create a time unit entry
-function entry(type, date, unit, step, min, max) {
-  var e = {
-    type: type,
-    date: date,
-    unit: unit
-  };
-  if (step) {
-    e.step = step;
-  } else {
-    e.minstep = 1;
-  }
-  if (min != null) e.min = min;
-  if (max != null) e.max = max;
-  return e;
-}
-
-function create(type, unit, base, step, min, max) {
-  return entry(type,
-    function(d) { return unit.offset(base, d); },
-    function(d) { return unit.count(base, d); },
-    step, min, max);
-}
-
-var locale = [
-  create('second', d3_time.second, baseDate),
-  create('minute', d3_time.minute, baseDate),
-  create('hour',   d3_time.hour,   baseDate),
-  create('day',    d3_time.day,    baseDate, [1, 7]),
-  create('month',  d3_time.month,  baseDate, [1, 3, 6]),
-  create('year',   d3_time.year,   baseDate),
-
-  // periodic units
-  entry('seconds',
-    function(d) { return new Date(1970, 0, 1, 0, 0, d); },
-    function(d) { return date(d).getSeconds(); },
-    null, 0, 59
-  ),
-  entry('minutes',
-    function(d) { return new Date(1970, 0, 1, 0, d); },
-    function(d) { return date(d).getMinutes(); },
-    null, 0, 59
-  ),
-  entry('hours',
-    function(d) { return new Date(1970, 0, 1, d); },
-    function(d) { return date(d).getHours(); },
-    null, 0, 23
-  ),
-  entry('weekdays',
-    function(d) { return new Date(1970, 0, 4+d); },
-    function(d) { return date(d).getDay(); },
-    [1], 0, 6
-  ),
-  entry('dates',
-    function(d) { return new Date(1970, 0, d); },
-    function(d) { return date(d).getDate(); },
-    [1], 1, 31
-  ),
-  entry('months',
-    function(d) { return new Date(1970, d % 12, 1); },
-    function(d) { return date(d).getMonth(); },
-    [1], 0, 11
-  )
-];
-
-var utc = [
-  create('second', d3_time.utcSecond, utcBaseDate),
-  create('minute', d3_time.utcMinute, utcBaseDate),
-  create('hour',   d3_time.utcHour,   utcBaseDate),
-  create('day',    d3_time.utcDay,    utcBaseDate, [1, 7]),
-  create('month',  d3_time.utcMonth,  utcBaseDate, [1, 3, 6]),
-  create('year',   d3_time.utcYear,   utcBaseDate),
-
-  // periodic units
-  entry('seconds',
-    function(d) { return new Date(Date.UTC(1970, 0, 1, 0, 0, d)); },
-    function(d) { return date(d).getUTCSeconds(); },
-    null, 0, 59
-  ),
-  entry('minutes',
-    function(d) { return new Date(Date.UTC(1970, 0, 1, 0, d)); },
-    function(d) { return date(d).getUTCMinutes(); },
-    null, 0, 59
-  ),
-  entry('hours',
-    function(d) { return new Date(Date.UTC(1970, 0, 1, d)); },
-    function(d) { return date(d).getUTCHours(); },
-    null, 0, 23
-  ),
-  entry('weekdays',
-    function(d) { return new Date(Date.UTC(1970, 0, 4+d)); },
-    function(d) { return date(d).getUTCDay(); },
-    [1], 0, 6
-  ),
-  entry('dates',
-    function(d) { return new Date(Date.UTC(1970, 0, d)); },
-    function(d) { return date(d).getUTCDate(); },
-    [1], 1, 31
-  ),
-  entry('months',
-    function(d) { return new Date(Date.UTC(1970, d % 12, 1)); },
-    function(d) { return date(d).getUTCMonth(); },
-    [1], 0, 11
-  )
-];
-
-var STEPS = [
-  [31536e6, 5],  // 1-year
-  [7776e6, 4],   // 3-month
-  [2592e6, 4],   // 1-month
-  [12096e5, 3],  // 2-week
-  [6048e5, 3],   // 1-week
-  [1728e5, 3],   // 2-day
-  [864e5, 3],    // 1-day
-  [432e5, 2],    // 12-hour
-  [216e5, 2],    // 6-hour
-  [108e5, 2],    // 3-hour
-  [36e5, 2],     // 1-hour
-  [18e5, 1],     // 30-minute
-  [9e5, 1],      // 15-minute
-  [3e5, 1],      // 5-minute
-  [6e4, 1],      // 1-minute
-  [3e4, 0],      // 30-second
-  [15e3, 0],     // 15-second
-  [5e3, 0],      // 5-second
-  [1e3, 0]       // 1-second
-];
-
-function find(units, span, minb, maxb) {
-  var step = STEPS[0], i, n, bins;
-
-  for (i=1, n=STEPS.length; i<n; ++i) {
-    step = STEPS[i];
-    if (span > step[0]) {
-      bins = span / step[0];
-      if (bins > maxb) {
-        return units[STEPS[i-1][1]];
-      }
-      if (bins >= minb) {
-        return units[step[1]];
-      }
-    }
-  }
-  return units[STEPS[n-1][1]];
-}
-
-function toUnitMap(units) {
-  var map = {}, i, n;
-  for (i=0, n=units.length; i<n; ++i) {
-    map[units[i].type] = units[i];
-  }
-  map.find = function(span, minb, maxb) {
-    return find(units, span, minb, maxb);
-  };
-  return map;
-}
-
-module.exports = toUnitMap(locale);
-module.exports.utc = toUnitMap(utc);
-
-},{"d3-time":8}],31:[function(require,module,exports){
-var buffer = require('buffer'),
-    time = require('./time'),
-    utc = time.utc;
-
-var u = module.exports = {};
-
-// utility functions
-
-var FNAME = '__name__';
-
-u.namedfunc = function(name, f) { return (f[FNAME] = name, f); };
-
-u.name = function(f) { return f==null ? null : f[FNAME]; };
-
-u.identity = function(x) { return x; };
-
-u.true = u.namedfunc('true', function() { return true; });
-
-u.false = u.namedfunc('false', function() { return false; });
-
-u.duplicate = function(obj) {
-  return JSON.parse(JSON.stringify(obj));
-};
-
-u.equal = function(a, b) {
-  return JSON.stringify(a) === JSON.stringify(b);
-};
-
-u.extend = function(obj) {
-  for (var x, name, i=1, len=arguments.length; i<len; ++i) {
-    x = arguments[i];
-    for (name in x) { obj[name] = x[name]; }
-  }
-  return obj;
-};
-
-u.length = function(x) {
-  return x != null && x.length != null ? x.length : null;
-};
-
-u.keys = function(x) {
-  var keys = [], k;
-  for (k in x) keys.push(k);
-  return keys;
-};
-
-u.vals = function(x) {
-  var vals = [], k;
-  for (k in x) vals.push(x[k]);
-  return vals;
-};
-
-u.toMap = function(list, f) {
-  return (f = u.$(f)) ?
-    list.reduce(function(obj, x) { return (obj[f(x)] = 1, obj); }, {}) :
-    list.reduce(function(obj, x) { return (obj[x] = 1, obj); }, {});
-};
-
-u.keystr = function(values) {
-  // use to ensure consistent key generation across modules
-  var n = values.length;
-  if (!n) return '';
-  for (var s=String(values[0]), i=1; i<n; ++i) {
-    s += '|' + String(values[i]);
-  }
-  return s;
-};
-
-// type checking functions
-
-var toString = Object.prototype.toString;
-
-u.isObject = function(obj) {
-  return obj === Object(obj);
-};
-
-u.isFunction = function(obj) {
-  return toString.call(obj) === '[object Function]';
-};
-
-u.isString = function(obj) {
-  return typeof value === 'string' || toString.call(obj) === '[object String]';
-};
-
-u.isArray = Array.isArray || function(obj) {
-  return toString.call(obj) === '[object Array]';
-};
-
-u.isNumber = function(obj) {
-  return typeof obj === 'number' || toString.call(obj) === '[object Number]';
-};
-
-u.isBoolean = function(obj) {
-  return obj === true || obj === false || toString.call(obj) == '[object Boolean]';
-};
-
-u.isDate = function(obj) {
-  return toString.call(obj) === '[object Date]';
-};
-
-u.isValid = function(obj) {
-  return obj != null && obj === obj;
-};
-
-u.isBuffer = (buffer.Buffer && buffer.Buffer.isBuffer) || u.false;
-
-// type coercion functions
-
-u.number = function(s) {
-  return s == null || s === '' ? null : +s;
-};
-
-u.boolean = function(s) {
-  return s == null || s === '' ? null : s==='false' ? false : !!s;
-};
-
-u.date = function(s) {
-  return s == null || s === '' ? null : Date.parse(s);
-};
-
-u.array = function(x) {
-  return x != null ? (u.isArray(x) ? x : [x]) : [];
-};
-
-u.str = function(x) {
-  return u.isArray(x) ? '[' + x.map(u.str) + ']'
-    : u.isObject(x) ? JSON.stringify(x)
-    : u.isString(x) ? ('\''+util_escape_str(x)+'\'') : x;
-};
-
-var escape_str_re = /(^|[^\\])'/g;
-
-function util_escape_str(x) {
-  return x.replace(escape_str_re, '$1\\\'');
-}
-
-// data access functions
-
-var field_re = /\[(.*?)\]|[^.\[]+/g;
-
-u.field = function(f) {
-  return String(f).match(field_re).map(function(d) {
-    return d[0] !== '[' ? d :
-      d[1] !== "'" && d[1] !== '"' ? d.slice(1, -1) :
-      d.slice(2, -2).replace(/\\(["'])/g, '$1');
-  });
-};
-
-u.accessor = function(f) {
-  var s;
-  return f==null || u.isFunction(f) ? f :
-    u.namedfunc(f, (s = u.field(f)).length > 1 ?
-      function(x) { return s.reduce(function(x,f) { return x[f]; }, x); } :
-      function(x) { return x[f]; }
-    );
-};
-
-// short-cut for accessor
-u.$ = u.accessor;
-
-u.mutator = function(f) {
-  var s;
-  return u.isString(f) && (s=u.field(f)).length > 1 ?
-    function(x, v) {
-      for (var i=0; i<s.length-1; ++i) x = x[s[i]];
-      x[s[i]] = v;
-    } :
-    function(x, v) { x[f] = v; };
-};
-
-
-u.$func = function(name, op) {
-  return function(f) {
-    f = u.$(f) || u.identity;
-    var n = name + (u.name(f) ? '_'+u.name(f) : '');
-    return u.namedfunc(n, function(d) { return op(f(d)); });
-  };
-};
-
-u.$valid  = u.$func('valid', u.isValid);
-u.$length = u.$func('length', u.length);
-
-u.$in = function(f, values) {
-  f = u.$(f);
-  var map = u.isArray(values) ? u.toMap(values) : values;
-  return function(d) { return !!map[f(d)]; };
-};
-
-u.$year   = u.$func('year', time.year.unit);
-u.$month  = u.$func('month', time.months.unit);
-u.$date   = u.$func('date', time.dates.unit);
-u.$day    = u.$func('day', time.weekdays.unit);
-u.$hour   = u.$func('hour', time.hours.unit);
-u.$minute = u.$func('minute', time.minutes.unit);
-u.$second = u.$func('second', time.seconds.unit);
-
-u.$utcYear   = u.$func('utcYear', utc.year.unit);
-u.$utcMonth  = u.$func('utcMonth', utc.months.unit);
-u.$utcDate   = u.$func('utcDate', utc.dates.unit);
-u.$utcDay    = u.$func('utcDay', utc.weekdays.unit);
-u.$utcHour   = u.$func('utcHour', utc.hours.unit);
-u.$utcMinute = u.$func('utcMinute', utc.minutes.unit);
-u.$utcSecond = u.$func('utcSecond', utc.seconds.unit);
-
-// comparison / sorting functions
-
-u.comparator = function(sort) {
-  var sign = [];
-  if (sort === undefined) sort = [];
-  sort = u.array(sort).map(function(f) {
-    var s = 1;
-    if      (f[0] === '-') { s = -1; f = f.slice(1); }
-    else if (f[0] === '+') { s = +1; f = f.slice(1); }
-    sign.push(s);
-    return u.accessor(f);
-  });
-  return function(a,b) {
-    var i, n, f, x, y;
-    for (i=0, n=sort.length; i<n; ++i) {
-      f = sort[i]; x = f(a); y = f(b);
-      if (x < y) return -1 * sign[i];
-      if (x > y) return sign[i];
-    }
-    return 0;
-  };
-};
-
-u.cmp = function(a, b) {
-  if (a < b) {
-    return -1;
-  } else if (a > b) {
-    return 1;
-  } else if (a >= b) {
-    return 0;
-  } else if (a === null) {
-    return -1;
-  } else if (b === null) {
-    return 1;
-  }
-  return NaN;
-};
-
-u.numcmp = function(a, b) { return a - b; };
-
-u.stablesort = function(array, sortBy, keyFn) {
-  var indices = array.reduce(function(idx, v, i) {
-    return (idx[keyFn(v)] = i, idx);
-  }, {});
-
-  array.sort(function(a, b) {
-    var sa = sortBy(a),
-        sb = sortBy(b);
-    return sa < sb ? -1 : sa > sb ? 1
-         : (indices[keyFn(a)] - indices[keyFn(b)]);
-  });
-
-  return array;
-};
-
-
-// string functions
-
-u.pad = function(s, length, pos, padchar) {
-  padchar = padchar || " ";
-  var d = length - s.length;
-  if (d <= 0) return s;
-  switch (pos) {
-    case 'left':
-      return strrep(d, padchar) + s;
-    case 'middle':
-    case 'center':
-      return strrep(Math.floor(d/2), padchar) +
-         s + strrep(Math.ceil(d/2), padchar);
-    default:
-      return s + strrep(d, padchar);
-  }
-};
-
-function strrep(n, str) {
-  var s = "", i;
-  for (i=0; i<n; ++i) s += str;
-  return s;
-}
-
-u.truncate = function(s, length, pos, word, ellipsis) {
-  var len = s.length;
-  if (len <= length) return s;
-  ellipsis = ellipsis !== undefined ? String(ellipsis) : '\u2026';
-  var l = Math.max(0, length - ellipsis.length);
-
-  switch (pos) {
-    case 'left':
-      return ellipsis + (word ? truncateOnWord(s,l,1) : s.slice(len-l));
-    case 'middle':
-    case 'center':
-      var l1 = Math.ceil(l/2), l2 = Math.floor(l/2);
-      return (word ? truncateOnWord(s,l1) : s.slice(0,l1)) +
-        ellipsis + (word ? truncateOnWord(s,l2,1) : s.slice(len-l2));
-    default:
-      return (word ? truncateOnWord(s,l) : s.slice(0,l)) + ellipsis;
-  }
-};
-
-function truncateOnWord(s, len, rev) {
-  var cnt = 0, tok = s.split(truncate_word_re);
-  if (rev) {
-    s = (tok = tok.reverse())
-      .filter(function(w) { cnt += w.length; return cnt <= len; })
-      .reverse();
-  } else {
-    s = tok.filter(function(w) { cnt += w.length; return cnt <= len; });
-  }
-  return s.length ? s.join('').trim() : tok[0].slice(0, len);
-}
-
-var truncate_word_re = /([\u0009\u000A\u000B\u000C\u000D\u0020\u00A0\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u2028\u2029\u3000\uFEFF])/;
-
-},{"./time":30,"buffer":2}],32:[function(require,module,exports){
-var DEPS = require('./Dependencies').ALL;
-
-function create(cs, reflow) {
-  var out = {};
-  copy(cs, out);
-
-  out.add = [];
-  out.mod = [];
-  out.rem = [];
-
-  out.reflow = reflow;
-
-  return out;
-}
-
-function copy(a, b) {
-  b.stamp = a ? a.stamp : 0;
-  b.sort  = a ? a.sort  : null;
-  b.facet = a ? a.facet : null;
-  b.trans = a ? a.trans : null;
-  b.dirty = a ? a.dirty : [];
-  b.request = a ? a.request : null;
-  for (var d, i=0, n=DEPS.length; i<n; ++i) {
-    b[d=DEPS[i]] = a ? a[d] : {};
-  }
-}
-
-module.exports = {
-  create: create,
-  copy: copy
-};
-},{"./Dependencies":35}],33:[function(require,module,exports){
-var log = require('vega-logging'),
-    Tuple = require('./Tuple'),
-    Base = require('./Node').prototype;
-
-function Collector(graph) {
-  Base.init.call(this, graph);
-  this._data = [];
-  this.router(true).collector(true);
-}
-
-var prototype = (Collector.prototype = Object.create(Base));
-prototype.constructor = Collector;
-
-prototype.data = function() {
-  return this._data;
-};
-
-prototype.evaluate = function(input) {
-  log.debug(input, ["collecting"]);
-
-  if (input.rem.length) {
-    this._data = Tuple.idFilter(this._data, input.rem);
-  }
-
-  if (input.add.length) {
-    this._data = this._data.length ? this._data.concat(input.add) : input.add;
-  }
-
-  if (input.sort) {
-    this._data.sort(input.sort);
-  }
-
-  if (input.reflow) {
-    input.mod = input.mod.concat(
-      Tuple.idFilter(this._data, input.add, input.mod, input.rem));
-    input.reflow = false;
-  }
-
-  return input;
-};
-
-module.exports = Collector;
-},{"./Node":38,"./Tuple":40,"vega-logging":47}],34:[function(require,module,exports){
-var log = require('vega-logging'),
-    ChangeSet = require('./ChangeSet'), 
-    Collector = require('./Collector'),
-    Tuple = require('./Tuple'),
-    Node = require('./Node'); // jshint ignore:line
-
-function DataSource(graph, name, facet) {
-  this._graph = graph;
-  this._name = name;
-  this._data = [];
-  this._source = null;
-  this._facet  = facet;
-  this._input  = ChangeSet.create();
-  this._output = null; // Output changeset
-
-  this._inputNode  = null;
-  this._outputNode = null;
-  this._pipeline  = null; // Pipeline of transformations.
-  this._collector = null; // Collector to materialize output of pipeline.
-  this._mutates = false;  // Does any pipeline operator mutate tuples?
-}
-
-var prototype = DataSource.prototype;
-
-prototype.name = function(name) {
-  if (!arguments.length) return this._name;
-  return (this._name = name, this);
-};
-
-prototype.source = function(src) {
-  if (!arguments.length) return this._source;
-  return (this._source = this._graph.data(src));
-};
-
-prototype.insert = function(tuples) {
-  this._input.add = this._input.add.concat(tuples.map(Tuple.ingest));
-  return this;
-};
-
-prototype.remove = function(where) {
-  var remove = this._data.filter(where);
-  this._input.rem = this._input.rem.concat(remove);
-  return this;
-};
-
-prototype.update = function(where, field, func) {
-  var mod = this._input.mod,
-      ids = Tuple.idMap(mod);
-
-  this._input.fields[field] = 1;
-
-  this._data.filter(where).forEach(function(x) {
-    var prev = x[field],
-        next = func(x);
-    if (prev !== next) {
-      Tuple.set(x, field, next);
-      if (ids[x._id] !== 1) {
-        mod.push(x);
-        ids[x._id] = 1;
-      }
-    }
-  });
-
-  return this;
-};
-
-prototype.values = function(data) {
-  if (!arguments.length) return this._collector.data();
-
-  // Replace backing data
-  this._input.rem = this._data.slice();
-  if (data) { this.insert(data); }
-  return this;
-};
-
-prototype.mutates = function(m) {
-  if (!arguments.length) return this._mutates;
-  this._mutates = this._mutates || m;
-  return this;
-};
-
-prototype.last = function() {
-  return this._output;
-};
-
-prototype.fire = function(input) {
-  if (input) this._input = input;
-  this._graph.propagate(this._input, this._pipeline[0]);
-  return this;
-};
-
-prototype.pipeline = function(pipeline) {
-  if (!arguments.length) return this._pipeline;
-
-  var graph = this._graph,
-      status;
-
-  pipeline.unshift(this._inputNode = DataSourceInput(this));
-  status = graph.preprocess(pipeline);
-
-  if (status.router) {
-    pipeline.push(status.collector = new Collector(graph));
-  }
-
-  pipeline.push(this._outputNode = DataSourceOutput(this));
-  this._collector = status.collector;
-  this._mutates = !!status.mutates;
-  graph.connect(this._pipeline = pipeline);
-
-  return this;
-};
-
-prototype.synchronize = function() {
-  this._graph.synchronize(this._pipeline);
-  return this;
-};
-
-prototype.listener = function() { 
-  return DataSourceListener(this).addListener(this._inputNode);
-};
-
-prototype.addListener = function(l) {
-  if (l instanceof DataSource) {
-    this._collector.addListener(l.listener());
-  } else {
-    this._outputNode.addListener(l);      
-  }
-  return this;
-};
-
-prototype.removeListener = function(l) {
-  this._outputNode.removeListener(l);
-};
-
-prototype.listeners = function(ds) {
-  return (ds ? this._collector : this._outputNode).listeners();
-};
-
-// Input node applies the datasource's delta, and propagates it to 
-// the rest of the pipeline. It receives touches to reflow data.
-function DataSourceInput(ds) {
-  var input = new Node(ds._graph)
-    .router(true)
-    .collector(true);
-
-  input.data = function() {
-    return ds._data;
-  };
-
-  input.evaluate = function(input) {
-    log.debug(input, ['input', ds._name]);
-
-    var delta = ds._input, 
-        out = ChangeSet.create(input), f;
-
-    // Delta might contain fields updated through API
-    for (f in delta.fields) {
-      out.fields[f] = 1;
-    }
-
-    // update data
-    if (delta.rem.length) {
-      ds._data = Tuple.idFilter(ds._data, delta.rem);
-    }
-
-    if (delta.add.length) {
-      ds._data = ds._data.concat(delta.add);
-    }
-
-    if (delta.sort) {
-      ds._data.sort(delta.sort);
-    }
-
-    // if reflowing, add any other tuples not currently in changeset
-    if (input.reflow) {
-      delta.mod = delta.mod.concat(
-        Tuple.idFilter(ds._data, delta.add, delta.mod, delta.rem));
-    }
-
-    // reset change list
-    ds._input = ChangeSet.create();
-
-    out.add = delta.add; 
-    out.mod = delta.mod;
-    out.rem = delta.rem;
-    out.facet = ds._facet;
-    return out;
-  };
-
-  return input;
-}
-
-// Output node captures the last changeset seen by this datasource
-// (needed for joins and builds) and materializes any nested data.
-// If this datasource is faceted, materializes the values in the facet.
-function DataSourceOutput(ds) {
-  var output = new Node(ds._graph)
-    .router(true)
-    .reflows(true)
-    .collector(true);
-
-  output.data = function() {
-    return ds._collector ? ds._collector.data() : ds._data;
-  };
-
-  output.evaluate = function(input) {
-    log.debug(input, ['output', ds._name]);
-
-    var out = ChangeSet.create(input, true);
-
-    if (ds._facet) {
-      ds._facet.values = ds.values();
-      input.facet = null;
-    }
-
-    ds._output = input;
-    out.data[ds._name] = 1;
-    return out;
-  };
-
-  return output;
-}
-
-function DataSourceListener(ds) {
-  var l = new Node(ds._graph).router(true);
-
-  l.evaluate = function(input) {
-    // Tuple derivation carries a cost. So only derive if the pipeline has
-    // operators that mutate, and thus would override the source data.
-    if (ds.mutates()) {  
-      var map = ds._srcMap || (ds._srcMap = {}), // to propagate tuples correctly
-          output = ChangeSet.create(input);
-
-      output.add = input.add.map(function(t) {
-        return (map[t._id] = Tuple.derive(t));
-      });
-
-      output.mod = input.mod.map(function(t) {
-        return Tuple.rederive(t, map[t._id]);
-      });
-
-      output.rem = input.rem.map(function(t) { 
-        var o = map[t._id];
-        return (map[t._id] = null, o);
-      });
-
-      return (ds._input = output);
-    } else {
-      return (ds._input = input);
-    }
-  };
-
-  return l;
-}
-
-module.exports = DataSource;
-
-},{"./ChangeSet":32,"./Collector":33,"./Node":38,"./Tuple":40,"vega-logging":47}],35:[function(require,module,exports){
-var deps = module.exports = {
-  ALL: ['data', 'fields', 'scales', 'signals']
-};
-deps.ALL.forEach(function(k) { deps[k.toUpperCase()] = k; });
-
-},{}],36:[function(require,module,exports){
-var dl = require('datalib'),
-    Heap = require('./Heap'),
-    ChangeSet = require('./ChangeSet'),
-    DataSource = require('./DataSource'),
-    Collector = require('./Collector'),
-    Tuple = require('./Tuple'),
-    Signal = require('./Signal'),
-    Deps = require('./Dependencies');
-
-function Graph() {
-}
-
-var prototype = Graph.prototype;
-
-prototype.init = function() {
-  this._stamp = 0;
-  this._rank  = 0;
-
-  this._data = {};
-  this._signals = {};
-
-  this.doNotPropagate = {};
-};
-
-prototype.rank = function() {
-  return ++this._rank;
-};
-
-prototype.values = function(type, names, hash) {
-  var data = (type === Deps.SIGNALS ? this._signals : this._data),
-      n = (names !== undefined ? names : dl.keys(data)),
-      vals, i;
-
-  if (Array.isArray(n)) {
-    vals = hash || {};
-    for (i=0; i<n.length; ++i) {
-      vals[n[i]] = data[n[i]].values();
-    }
-    return vals;
-  } else {
-    return data[n].values();
-  }
-};
-
-// Retain for backwards-compatibility
-prototype.dataValues = function(names) {
-  return this.values(Deps.DATA, names);
-};
-
-// Retain for backwards-compatibility
-prototype.signalValues = function(names) {
-  return this.values(Deps.SIGNALS, names);
-};
-
-prototype.data = function(name, pipeline, facet) {
-  var db = this._data;
-  if (!arguments.length) {
-    var all = [], key;
-    for (key in db) { all.push(db[key]); }
-    return all;
-  } else if (arguments.length === 1) {
-    return db[name];
-  } else {
-    return (db[name] = new DataSource(this, name, facet).pipeline(pipeline));
-  }
-};
-
-prototype.signal = function(name, init) {
-  if (arguments.length === 1) {
-    var m = this;
-    return Array.isArray(name) ?
-      name.map(function(n) { return m._signals[n]; }) :
-      this._signals[name];
-  } else {
-    return (this._signals[name] = new Signal(this, name, init));
-  }
-};
-
-prototype.signalRef = function(ref) {
-  if (!Array.isArray(ref)) {
-    ref = dl.field(ref);
-  }
-
-  var value = this.signal(ref[0]).value();
-  if (ref.length > 1) {
-    for (var i=1, n=ref.length; i<n; ++i) {
-      value = value[ref[i]];
-    }
-  }
-  return value;
-};
-
-// Stamp should be specified with caution. It is necessary for inline datasources,
-// which need to be populated during the same cycle even though propagation has
-// passed that part of the dataflow graph.  
-prototype.propagate = function(pulse, node, stamp) {
-  var pulses = {},
-      listeners, next, nplse, tpls, ntpls, i, len;
-
-  // new PQ with each propagation cycle so that we can pulse branches
-  // of the dataflow graph during a propagation (e.g., when creating
-  // a new inline datasource).
-  var pq = new Heap(function(a, b) {
-    // Sort on qrank (queue-rank).
-    // Rank can change during propagation due to rewiring.
-    return a._qrank - b._qrank;
-  });
-
-  if (pulse.stamp) throw Error('Pulse already has a non-zero stamp.');
-
-  pulse.stamp = stamp || ++this._stamp;
-  pulses[node._id] = pulse;
-  pq.push(node.qrank(true));
-
-  while (pq.size() > 0) {
-    node  = pq.peek();
-    pulse = pulses[node._id];
-
-    if (node.rank() !== node.qrank()) {
-      // A node's rank might change during a propagation. Re-queue if so.
-      pq.replace(node.qrank(true));
-    } else {
-      // Evaluate node and propagate pulse.
-      pq.pop();
-      pulses[node._id] = null;
-      listeners = node._listeners;
-      pulse = this.evaluate(pulse, node);
-
-      // Propagate the pulse. 
-      if (pulse !== this.doNotPropagate) {
-        // Ensure reflow pulses always send reflow pulses even if skipped.
-        if (!pulse.reflow && node.reflows()) {
-          pulse = ChangeSet.create(pulse, true);
-        }
-
-        for (i=0, len=listeners.length; i<len; ++i) {
-          next = listeners[i];
-
-          if ((nplse = pulses[next._id]) !== undefined) {
-            if (nplse === null) throw Error('Already propagated to node.');
-            if (nplse === pulse) continue;  // Re-queueing the same pulse.
-
-            // We've already queued this node. Ensure there should be at most one
-            // pulse with tuples (add/mod/rem), and the remainder will be reflows. 
-            tpls  = pulse.add.length || pulse.mod.length || pulse.rem.length;
-            ntpls = nplse.add.length || nplse.mod.length || nplse.rem.length;
-
-            if (tpls && ntpls) throw Error('Multiple changeset pulses to same node');
-
-            // Combine reflow and tuples into a single pulse. 
-            pulses[next._id] = tpls ? pulse : nplse;
-            pulses[next._id].reflow = pulse.reflow || nplse.reflow;
-          } else {
-            // First time we're seeing this node, queue it for propagation.
-            pq.push(next.qrank(true));
-            pulses[next._id] = pulse;
-          }
-        }
-      }
-    }
-  }
-};
-
-// Process a new branch of the dataflow graph prior to connection:
-// (1) Insert new Collector nodes as needed. 
-// (2) Track + return mutation/routing status of the branch.
-prototype.preprocess = function(branch) {
-  var graph = this,
-      mutates = 0,
-      node, router, collector, collects;
-
-  for (var i=0; i<branch.length; ++i) {
-    node = branch[i];
-
-    // Batch nodes need access to a materialized dataset. 
-    if (node.batch() && !node._collector) {
-      if (router || !collector) {
-        node = new Collector(graph);
-        branch.splice(i, 0, node);
-        router = false;
-      } else {
-        node._collector = collector;
-      }
-    }
-
-    if ((collects = node.collector())) collector = node;
-    router  = router  || node.router() && !collects;
-    mutates = mutates || node.mutates();
-
-    // A collector needs to be inserted after tuple-producing
-    // nodes for correct previous value tracking.
-    if (node.produces()) {
-      branch.splice(i+1, 0, new Collector(graph));
-      router = false;
-    }
-  }
-
-  return {router: router, collector: collector, mutates: mutates};
-};
-
-prototype.connect = function(branch) {
-  var collector, node, data, signals, i, n, j, m, x, y;
-
-  // connect the pipeline
-  for (i=0, n=branch.length; i<n; ++i) {
-    node = branch[i];
-    if (node.collector()) collector = node;
-
-    data = node.dependency(Deps.DATA);
-    for (j=0, m=data.length; j<m; ++j) {
-      if (!(x=this.data(y=data[j]))) {
-        throw new Error('Unknown data source ' + dl.str(y));
-      }
-
-      x.addListener(collector);
-    }
-
-    signals = node.dependency(Deps.SIGNALS);
-    for (j=0, m=signals.length; j<m; ++j) {
-      if (!(x=this.signal(y=signals[j]))) {
-        throw new Error('Unknown signal ' + dl.str(y));
-      }
-
-      x.addListener(collector);
-    }
-
-    if (i > 0) branch[i-1].addListener(node);
-  }
-
-  return branch;
-};
-
-prototype.disconnect = function(branch) {
-  var collector, node, data, signals, i, n, j, m;
-
-  for (i=0, n=branch.length; i<n; ++i) {
-    node = branch[i];
-    if (node.collector()) collector = node;
-
-    data = node.dependency(Deps.DATA);
-    for (j=0, m=data.length; j<m; ++j) {
-      this.data(data[j]).removeListener(collector);
-    }
-
-    signals = node.dependency(Deps.SIGNALS);
-    for (j=0, m=signals.length; j<m; ++j) {
-      this.signal(signals[j]).removeListener(collector);
-    }
-
-    node.disconnect();
-  }
-
-  return branch;
-};
-
-prototype.synchronize = function(branch) {
-  var ids = {},
-      node, data, i, n, j, m, d, id;
-
-  for (i=0, n=branch.length; i<n; ++i) {
-    node = branch[i];
-    if (!node.collector()) continue;
-
-    for (j=0, data=node.data(), m=data.length; j<m; ++j) {
-      id = (d = data[j])._id;
-      if (ids[id]) continue; 
-      Tuple.prev_update(d);
-      ids[id] = 1; 
-    }
-  }
-
-  return this;
-};
-
-prototype.reevaluate = function(pulse, node) {
-  var reflowed = pulse.reflow && node.last() >= pulse.stamp,
-      run = node.router() || pulse.add.length || pulse.rem.length;
-
-  return run || !reflowed || node.reevaluate(pulse);
-};
-
-prototype.evaluate = function(pulse, node) {
-  if (!this.reevaluate(pulse, node)) return pulse;
-  pulse = node.evaluate(pulse);
-  node.last(pulse.stamp);
-  return pulse;
-};
-
-module.exports = Graph;
-
-},{"./ChangeSet":32,"./Collector":33,"./DataSource":34,"./Dependencies":35,"./Heap":37,"./Signal":39,"./Tuple":40,"datalib":26}],37:[function(require,module,exports){
-function Heap(comparator) {
-  this.cmp = comparator;
-  this.nodes = [];
-}
-
-var prototype = Heap.prototype;
-
-prototype.size = function() {
-  return this.nodes.length;
-};
-
-prototype.clear = function() {
-  return (this.nodes = [], this);
-};
-
-prototype.peek = function() {
-  return this.nodes[0];
-};
-
-prototype.push = function(x) {
-  var array = this.nodes;
-  array.push(x);
-  return _siftdown(array, 0, array.length-1, this.cmp);
-};
-
-prototype.pop = function() {
-  var array = this.nodes,
-      last = array.pop(),
-      item;
-
-  if (array.length) {
-    item = array[0];
-    array[0] = last;
-    _siftup(array, 0, this.cmp);
-  } else {
-    item = last;
-  }
-  return item;
-};
-
-prototype.replace = function(item) {
-  var array = this.nodes,
-      retval = array[0];
-  array[0] = item;
-  _siftup(array, 0, this.cmp);
-  return retval;
-};
-
-prototype.pushpop = function(item) {
-  var array = this.nodes, ref = array[0];
-  if (array.length && this.cmp(ref, item) < 0) {
-    array[0] = item;
-    item = ref;
-    _siftup(array, 0, this.cmp);
-  }
-  return item;
-};
-
-function _siftdown(array, start, idx, cmp) {
-  var item, parent, pidx;
-
-  item = array[idx];
-  while (idx > start) {
-    pidx = (idx - 1) >> 1;
-    parent = array[pidx];
-    if (cmp(item, parent) < 0) {
-      array[idx] = parent;
-      idx = pidx;
-      continue;
-    }
-    break;
-  }
-  return (array[idx] = item);
-}
-
-function _siftup(array, idx, cmp) {
-  var start = idx,
-      end = array.length,
-      item = array[idx],
-      cidx = 2 * idx + 1, ridx;
-
-  while (cidx < end) {
-    ridx = cidx + 1;
-    if (ridx < end && cmp(array[cidx], array[ridx]) >= 0) {
-      cidx = ridx;
-    }
-    array[idx] = array[cidx];
-    idx = cidx;
-    cidx = 2 * idx + 1;
-  }
-  array[idx] = item;
-  return _siftdown(array, start, idx, cmp);
-}
-
-module.exports = Heap;
-
-},{}],38:[function(require,module,exports){
-var DEPS = require('./Dependencies').ALL,
-    nodeID = 0;
-
-function Node(graph) {
-  if (graph) this.init(graph);
-}
-
-var Flags = Node.Flags = {
-  Router:     0x01, // Responsible for propagating tuples, cannot be skipped.
-  Collector:  0x02, // Holds a materialized dataset, pulse node to reflow.
-  Produces:   0x04, // Produces new tuples. 
-  Mutates:    0x08, // Sets properties of incoming tuples.
-  Reflows:    0x10, // Forwards a reflow pulse.
-  Batch:      0x20  // Performs batch data processing, needs collector.
-};
-
-var prototype = Node.prototype;
-
-prototype.init = function(graph) {
-  this._id = ++nodeID;
-  this._graph = graph;
-  this._rank  = graph.rank(); // Topological sort by rank
-  this._qrank = null; // Rank when enqueued for propagation
-  this._stamp = 0;    // Last stamp seen
-
-  this._listeners = [];
-  this._listeners._ids = {}; // To prevent duplicate listeners
-
-  // Initialize dependencies.
-  this._deps = {};
-  for (var i=0, n=DEPS.length; i<n; ++i) {
-    this._deps[DEPS[i]] = [];
-  }
-
-  // Initialize status flags.
-  this._flags = 0;
-
-  return this;
-};
-
-prototype.rank = function() {
-  return this._rank;
-};
-
-prototype.rerank = function() {
-  var g = this._graph, 
-      q = [this],
-      cur;
-
-  while (q.length) {
-    cur = q.shift();
-    cur._rank = g.rank();
-    q.unshift.apply(q, cur.listeners());
-  }
-
-  return this;
-};
-
-prototype.qrank = function(/* set */) {
-  if (!arguments.length) return this._qrank;
-  return (this._qrank = this._rank, this);
-};
-
-prototype.last = function(stamp) { 
-  if (!arguments.length) return this._stamp;
-  return (this._stamp = stamp, this);
-};
-
-// -- status flags ---
-
-prototype._setf = function(v, b) {
-  if (b) { this._flags |= v; } else { this._flags &= ~v; }
-  return this;
-};
-
-prototype.router = function(state) {
-  if (!arguments.length) return (this._flags & Flags.Router);
-  return this._setf(Flags.Router, state);
-};
-
-prototype.collector = function(state) {
-  if (!arguments.length) return (this._flags & Flags.Collector);
-  return this._setf(Flags.Collector, state);
-};
-
-prototype.produces = function(state) {
-  if (!arguments.length) return (this._flags & Flags.Produces);
-  return this._setf(Flags.Produces, state);
-};
-
-prototype.mutates = function(state) {
-  if (!arguments.length) return (this._flags & Flags.Mutates);
-  return this._setf(Flags.Mutates, state);
-};
-
-prototype.reflows = function(state) {
-  if (!arguments.length) return (this._flags & Flags.Reflows);
-  return this._setf(Flags.Reflows, state);
-};
-
-prototype.batch = function(state) {
-  if (!arguments.length) return (this._flags & Flags.Batch);
-  return this._setf(Flags.Batch, state);
-};
-
-prototype.dependency = function(type, deps) {
-  var d = this._deps[type],
-      n = d._names || (d._names = {});  // To prevent dupe deps
-
-  // Get dependencies of the given type
-  if (arguments.length === 1) {
-    return d;
-  }
-
-  if (deps === null) {
-    // Clear dependencies of the given type
-    d.splice(0, d.length);
-    d._names = {};
-  } else if (!Array.isArray(deps)) {
-    // Separate this case to avoid cost of array creation
-    if (n[deps]) return this;
-    d.push(deps);
-    n[deps] = 1;
-  } else {
-    for (var i=0, len=deps.length, dep; i<len; ++i) {
-      dep = deps[i];
-      if (n[dep]) continue;
-      d.push(dep);
-      n[dep] = 1;
-    }
-  }
-
-  return this;
-};
-
-prototype.listeners = function() {
-  return this._listeners;
-};
-
-prototype.addListener = function(l) {
-  if (!(l instanceof Node)) {
-    throw Error('Listener is not a Node');
-  }
-  if (this._listeners._ids[l._id]) return this;
-
-  this._listeners.push(l);
-  this._listeners._ids[l._id] = 1;
-  if (this._rank > l._rank) {
-    l.rerank();
-  }
-
-  return this;
-};
-
-prototype.removeListener = function(l) {
-  if (!this._listeners._ids[l._id]) return false;
-  
-  var idx = this._listeners.indexOf(l),
-      b = idx >= 0;
-
-  if (b) {
-    this._listeners.splice(idx, 1);
-    this._listeners._ids[l._id] = null;
-  }
-  return b;
-};
-
-prototype.disconnect = function() {
-  this._listeners = [];
-  this._listeners._ids = {};
-};
-
-// Evaluate this dataflow node for the current pulse.
-// Subclasses should override to perform custom processing.
-prototype.evaluate = function(pulse) {
-  return pulse;
-};
-
-// Should this node be re-evaluated for the current pulse?
-// Searches pulse to see if any dependencies have updated.
-prototype.reevaluate = function(pulse) {
-  var prop, dep, i, n, j, m;
-
-  for (i=0, n=DEPS.length; i<n; ++i) {
-    prop = DEPS[i];
-    dep = this._deps[prop];
-    for (j=0, m=dep.length; j<m; ++j) {
-      if (pulse[prop][dep[j]]) return true;
-    }
-  }
-
-  return false;
-};
-
-Node.reset = function() { nodeID = 0; };
-
-module.exports = Node;
-
-},{"./Dependencies":35}],39:[function(require,module,exports){
-var ChangeSet = require('./ChangeSet'),
-    Node = require('./Node'), // jshint ignore:line
-    Base = Node.prototype;
-
-function Signal(graph, name, initialValue) {
-  Base.init.call(this, graph);
-  this._name  = name;
-  this._value = initialValue;
-  this._verbose = false; // Verbose signals re-pulse the graph even if prev === val.
-  this._handlers = [];
-  return this;
-}
-
-var prototype = (Signal.prototype = Object.create(Base));
-prototype.constructor = Signal;
-
-prototype.name = function() {
-  return this._name;
-};
-
-prototype.value = function(val) {
-  if (!arguments.length) return this._value;
-  return (this._value = val, this);
-};
-
-// Alias to value, for shared API with DataSource
-prototype.values = prototype.value;
-
-prototype.verbose = function(v) {
-  if (!arguments.length) return this._verbose;
-  return (this._verbose = !!v, this);
-};
-
-prototype.evaluate = function(input) {
-  return input.signals[this._name] ? input : this._graph.doNotPropagate;
-};
-
-prototype.fire = function(cs) {
-  if (!cs) cs = ChangeSet.create(null, true);
-  cs.signals[this._name] = 1;
-  this._graph.propagate(cs, this);
-};
-
-prototype.on = function(handler) {
-  var signal = this,
-      node = new Node(this._graph);
-
-  node.evaluate = function(input) {
-    handler(signal.name(), signal.value());
-    return input;
-  };
-
-  this._handlers.push({
-    handler: handler,
-    node: node
-  });
-
-  return this.addListener(node);
-};
-
-prototype.off = function(handler) {
-  var h = this._handlers, i, x;
-
-  for (i=h.length; --i>=0;) {
-    if (!handler || h[i].handler === handler) {
-      x = h.splice(i, 1)[0];
-      this.removeListener(x.node);
-    }
-  }
-
-  return this;
-};
-
-module.exports = Signal;
-
-},{"./ChangeSet":32,"./Node":38}],40:[function(require,module,exports){
-var tupleID = 0;
-
-function ingest(datum) {
-  datum = (datum === Object(datum)) ? datum : {data: datum};
-  datum._id = ++tupleID;
-  if (datum._prev) datum._prev = null;
-  return datum;
-}
-
-function idMap(a, ids) {
-  ids = ids || {};
-  for (var i=0, n=a.length; i<n; ++i) {
-    ids[a[i]._id] = 1;
-  }
-  return ids;
-}
-
-function copy(t, c) {
-  c = c || {};
-  for (var k in t) {
-    if (k !== '_prev' && k !== '_id') c[k] = t[k];
-  }
-  return c;
-}
-
-module.exports = {
-  ingest: ingest,
-  idMap: idMap,
-
-  derive: function(d) {
-    return ingest(copy(d));
-  },
-
-  rederive: function(d, t) {
-    return copy(d, t);
-  },
-
-  set: function(t, k, v) {
-    return t[k] === v ? 0 : (t[k] = v, 1);
-  },
-
-  prev: function(t) {
-    return t._prev || t;
-  },
-
-  prev_init: function(t) {
-    if (!t._prev) { t._prev = {_id: t._id}; }
-  },
-
-  prev_update: function(t) {
-    var p = t._prev, k, v;
-    if (p) for (k in t) {
-      if (k !== '_prev' && k !== '_id') {
-        p[k] = ((v=t[k]) instanceof Object && v._prev) ? v._prev : v;
-      }
-    }
-  },
-
-  reset: function() { tupleID = 0; },
-
-  idFilter: function(data) {
-    var ids = {};
-    for (var i=arguments.length; --i>0;) {
-      idMap(arguments[i], ids);
-    }
-    return data.filter(function(x) { return !ids[x._id]; });
-  }
-};
-
-},{}],41:[function(require,module,exports){
-module.exports = {
-  ChangeSet:    require('./ChangeSet'),
-  Collector:    require('./Collector'),
-  DataSource:   require('./DataSource'),
-  Dependencies: require('./Dependencies'),
-  Graph:        require('./Graph'),
-  Node:         require('./Node'),
-  Signal:       require('./Signal'),
-  Tuple:        require('./Tuple'),
-  debug:        require('vega-logging').debug
-};
-
-},{"./ChangeSet":32,"./Collector":33,"./DataSource":34,"./Dependencies":35,"./Graph":36,"./Node":38,"./Signal":39,"./Tuple":40,"vega-logging":47}],42:[function(require,module,exports){
-function toMap(list) {
-  var map = {}, i, n;
-  for (i=0, n=list.length; i<n; ++i) map[list[i]] = 1;
-  return map;
-}
-
-function keys(object) {
-  var list = [], k;
-  for (k in object) list.push(k);
-  return list;
-}
-
-module.exports = function(opt) {
-  opt = opt || {};
-  var constants = opt.constants || require('./constants'),
-      functions = (opt.functions || require('./functions'))(codegen),
-      idWhiteList = opt.idWhiteList ? toMap(opt.idWhiteList) : null,
-      idBlackList = opt.idBlackList ? toMap(opt.idBlackList) : null,
-      memberDepth = 0,
-      FIELD_VAR = opt.fieldVar || 'datum',
-      GLOBAL_VAR = opt.globalVar || 'signals',
-      globals = {},
-      fields = {};
-
-  function codegen_wrap(ast) {    
-    var retval = {
-      code: codegen(ast),
-      globals: keys(globals),
-      fields: keys(fields)
-    };
-    globals = {};
-    fields = {};
-    return retval;
-  }
-
-  function lookupGlobal(id) {
-    return GLOBAL_VAR + '["' + id + '"]';
-  }
-
-  function codegen(ast) {
-    if (typeof ast === 'string') return ast;
-    var generator = CODEGEN_TYPES[ast.type];
-    if (generator == null) {
-      throw new Error('Unsupported type: ' + ast.type);
-    }
-    return generator(ast);
-  }
-
-  var CODEGEN_TYPES = {
-    'Literal': function(n) {
-        return n.raw;
-      },
-    'Identifier': function(n) {
-        var id = n.name;
-        if (memberDepth > 0) {
-          return id;
-        }
-        if (constants.hasOwnProperty(id)) {
-          return constants[id];
-        }
-        if (idWhiteList) {
-          if (idWhiteList.hasOwnProperty(id)) {
-            return id;
-          } else {
-            globals[id] = 1;
-            return lookupGlobal(id);
-          }
-        }
-        if (idBlackList && idBlackList.hasOwnProperty(id)) {
-          throw new Error('Illegal identifier: ' + id);
-        }
-        return id;
-      },
-    'Program': function(n) {
-        return n.body.map(codegen).join('\n');
-      },
-    'MemberExpression': function(n) {
-        var d = !n.computed;
-        var o = codegen(n.object);
-        if (d) memberDepth += 1;
-        var p = codegen(n.property);
-        if (o === FIELD_VAR) { fields[p] = 1; } // HACKish...
-        if (d) memberDepth -= 1;
-        return o + (d ? '.'+p : '['+p+']');
-      },
-    'CallExpression': function(n) {
-        if (n.callee.type !== 'Identifier') {
-          throw new Error('Illegal callee type: ' + n.callee.type);
-        }
-        var callee = n.callee.name;
-        var args = n.arguments;
-        var fn = functions.hasOwnProperty(callee) && functions[callee];
-        if (!fn) throw new Error('Unrecognized function: ' + callee);
-        return fn instanceof Function ?
-          fn(args) :
-          fn + '(' + args.map(codegen).join(',') + ')';
-      },
-    'ArrayExpression': function(n) {
-        return '[' + n.elements.map(codegen).join(',') + ']';
-      },
-    'BinaryExpression': function(n) {
-        return '(' + codegen(n.left) + n.operator + codegen(n.right) + ')';
-      },
-    'UnaryExpression': function(n) {
-        return '(' + n.operator + codegen(n.argument) + ')';
-      },
-    'ConditionalExpression': function(n) {
-        return '(' + codegen(n.test) +
-          '?' + codegen(n.consequent) +
-          ':' + codegen(n.alternate) +
-          ')';
-      },
-    'LogicalExpression': function(n) {
-        return '(' + codegen(n.left) + n.operator + codegen(n.right) + ')';
-      },
-    'ObjectExpression': function(n) {
-        return '{' + n.properties.map(codegen).join(',') + '}';
-      },
-    'Property': function(n) {
-        memberDepth += 1;
-        var k = codegen(n.key);
-        memberDepth -= 1;
-        return k + ':' + codegen(n.value);
-      },
-    'ExpressionStatement': function(n) {
-        return codegen(n.expression);
-      }
-  };
-
-  codegen_wrap.functions = functions;
-  codegen_wrap.constants = constants;
-  return codegen_wrap;
-};
-
-},{"./constants":43,"./functions":44}],43:[function(require,module,exports){
-module.exports = {
-  'NaN':     'NaN',
-  'E':       'Math.E',
-  'LN2':     'Math.LN2',
-  'LN10':    'Math.LN10',
-  'LOG2E':   'Math.LOG2E',
-  'LOG10E':  'Math.LOG10E',
-  'PI':      'Math.PI',
-  'SQRT1_2': 'Math.SQRT1_2',
-  'SQRT2':   'Math.SQRT2'
-};
-},{}],44:[function(require,module,exports){
-module.exports = function(codegen) {
-
-  function fncall(name, args, cast, type) {
-    var obj = codegen(args[0]);
-    if (cast) {
-      obj = cast + '(' + obj + ')';
-      if (cast.lastIndexOf('new ', 0) === 0) obj = '(' + obj + ')';
-    }
-    return obj + '.' + name + (type < 0 ? '' : type === 0 ?
-      '()' :
-      '(' + args.slice(1).map(codegen).join(',') + ')');
-  }
-
-  function fn(name, cast, type) {
-    return function(args) {
-      return fncall(name, args, cast, type);
-    };
-  }
-
-  var DATE = 'new Date',
-      STRING = 'String',
-      REGEXP = 'RegExp';
-
-  return {
-    // MATH functions
-    'isNaN':    'isNaN',
-    'isFinite': 'isFinite',
-    'abs':      'Math.abs',
-    'acos':     'Math.acos',
-    'asin':     'Math.asin',
-    'atan':     'Math.atan',
-    'atan2':    'Math.atan2',
-    'ceil':     'Math.ceil',
-    'cos':      'Math.cos',
-    'exp':      'Math.exp',
-    'floor':    'Math.floor',
-    'log':      'Math.log',
-    'max':      'Math.max',
-    'min':      'Math.min',
-    'pow':      'Math.pow',
-    'random':   'Math.random',
-    'round':    'Math.round',
-    'sin':      'Math.sin',
-    'sqrt':     'Math.sqrt',
-    'tan':      'Math.tan',
-
-    'clamp': function(args) {
-      if (args.length < 3)
-        throw new Error('Missing arguments to clamp function.');
-      if (args.length > 3)
-      throw new Error('Too many arguments to clamp function.');
-      var a = args.map(codegen);
-      return 'Math.max('+a[1]+', Math.min('+a[2]+','+a[0]+'))';
-    },
-
-    // DATE functions
-    'now':             'Date.now',
-    'datetime':        DATE,
-    'date':            fn('getDate', DATE, 0),
-    'day':             fn('getDay', DATE, 0),
-    'year':            fn('getFullYear', DATE, 0),
-    'month':           fn('getMonth', DATE, 0),
-    'hours':           fn('getHours', DATE, 0),
-    'minutes':         fn('getMinutes', DATE, 0),
-    'seconds':         fn('getSeconds', DATE, 0),
-    'milliseconds':    fn('getMilliseconds', DATE, 0),
-    'time':            fn('getTime', DATE, 0),
-    'timezoneoffset':  fn('getTimezoneOffset', DATE, 0),
-    'utcdate':         fn('getUTCDate', DATE, 0),
-    'utcday':          fn('getUTCDay', DATE, 0),
-    'utcyear':         fn('getUTCFullYear', DATE, 0),
-    'utcmonth':        fn('getUTCMonth', DATE, 0),
-    'utchours':        fn('getUTCHours', DATE, 0),
-    'utcminutes':      fn('getUTCMinutes', DATE, 0),
-    'utcseconds':      fn('getUTCSeconds', DATE, 0),
-    'utcmilliseconds': fn('getUTCMilliseconds', DATE, 0),
-
-    // shared sequence functions
-    'length':      fn('length', null, -1),
-    'indexof':     fn('indexOf', null),
-    'lastindexof': fn('lastIndexOf', null),
-
-    // STRING functions
-    'parseFloat':  'parseFloat',
-    'parseInt':    'parseInt',
-    'upper':       fn('toUpperCase', STRING, 0),
-    'lower':       fn('toLowerCase', STRING, 0),
-    'slice':       fn('slice', STRING),
-    'substring':   fn('substring', STRING),
-
-    // REGEXP functions
-    'regexp':  REGEXP,
-    'test':    fn('test', REGEXP),
-
-    // Control Flow functions
-    'if': function(args) {
-        if (args.length < 3)
-          throw new Error('Missing arguments to if function.');
-        if (args.length > 3)
-        throw new Error('Too many arguments to if function.');
-        var a = args.map(codegen);
-        return a[0]+'?'+a[1]+':'+a[2];
-      }
-  };
-};
-},{}],45:[function(require,module,exports){
-var parser = require('./parser'),
-    codegen = require('./codegen');
-    
-var expr = module.exports = {
-  parse: function(input, opt) {
-      return parser.parse('('+input+')', opt);
-    },
-  code: function(opt) {
-      return codegen(opt);
-    },
-  compiler: function(args, opt) {
-      args = args.slice();
-      var generator = codegen(opt),
-          len = args.length,
-          compile = function(str) {
-            var value = generator(expr.parse(str));
-            args[len] = '"use strict"; return (' + value.code + ');';
-            value.fn = Function.apply(null, args);
-            return value;
-          };
-      compile.codegen = generator;
-      return compile;
-    },
-  functions: require('./functions'),
-  constants: require('./constants')
-};
-
-},{"./codegen":42,"./constants":43,"./functions":44,"./parser":46}],46:[function(require,module,exports){
-/*
-  The following expression parser is based on Esprima (http://esprima.org/).
-  Original header comment and license for Esprima is included here:
-
-  Copyright (C) 2013 Ariya Hidayat <ariya.hidayat@gmail.com>
-  Copyright (C) 2013 Thaddee Tyl <thaddee.tyl@gmail.com>
-  Copyright (C) 2013 Mathias Bynens <mathias@qiwi.be>
-  Copyright (C) 2012 Ariya Hidayat <ariya.hidayat@gmail.com>
-  Copyright (C) 2012 Mathias Bynens <mathias@qiwi.be>
-  Copyright (C) 2012 Joost-Wim Boekesteijn <joost-wim@boekesteijn.nl>
-  Copyright (C) 2012 Kris Kowal <kris.kowal@cixar.com>
-  Copyright (C) 2012 Yusuke Suzuki <utatane.tea@gmail.com>
-  Copyright (C) 2012 Arpad Borsos <arpad.borsos@googlemail.com>
-  Copyright (C) 2011 Ariya Hidayat <ariya.hidayat@gmail.com>
-
-  Redistribution and use in source and binary forms, with or without
-  modification, are permitted provided that the following conditions are met:
-
-    * Redistributions of source code must retain the above copyright
-      notice, this list of conditions and the following disclaimer.
-    * Redistributions in binary form must reproduce the above copyright
-      notice, this list of conditions and the following disclaimer in the
-      documentation and/or other materials provided with the distribution.
-
-  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
-  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
-  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-/* istanbul ignore next */
-module.exports = (function() {
-  'use strict';
-
-  var Token,
-      TokenName,
-      Syntax,
-      PropertyKind,
-      Messages,
-      Regex,
-      source,
-      strict,
-      index,
-      lineNumber,
-      lineStart,
-      length,
-      lookahead,
-      state,
-      extra;
-
-  Token = {
-      BooleanLiteral: 1,
-      EOF: 2,
-      Identifier: 3,
-      Keyword: 4,
-      NullLiteral: 5,
-      NumericLiteral: 6,
-      Punctuator: 7,
-      StringLiteral: 8,
-      RegularExpression: 9
-  };
-
-  TokenName = {};
-  TokenName[Token.BooleanLiteral] = 'Boolean';
-  TokenName[Token.EOF] = '<end>';
-  TokenName[Token.Identifier] = 'Identifier';
-  TokenName[Token.Keyword] = 'Keyword';
-  TokenName[Token.NullLiteral] = 'Null';
-  TokenName[Token.NumericLiteral] = 'Numeric';
-  TokenName[Token.Punctuator] = 'Punctuator';
-  TokenName[Token.StringLiteral] = 'String';
-  TokenName[Token.RegularExpression] = 'RegularExpression';
-
-  Syntax = {
-      AssignmentExpression: 'AssignmentExpression',
-      ArrayExpression: 'ArrayExpression',
-      BinaryExpression: 'BinaryExpression',
-      CallExpression: 'CallExpression',
-      ConditionalExpression: 'ConditionalExpression',
-      ExpressionStatement: 'ExpressionStatement',
-      Identifier: 'Identifier',
-      Literal: 'Literal',
-      LogicalExpression: 'LogicalExpression',
-      MemberExpression: 'MemberExpression',
-      ObjectExpression: 'ObjectExpression',
-      Program: 'Program',
-      Property: 'Property',
-      UnaryExpression: 'UnaryExpression'
-  };
-
-  PropertyKind = {
-      Data: 1,
-      Get: 2,
-      Set: 4
-  };
-
-  // Error messages should be identical to V8.
-  Messages = {
-      UnexpectedToken:  'Unexpected token %0',
-      UnexpectedNumber:  'Unexpected number',
-      UnexpectedString:  'Unexpected string',
-      UnexpectedIdentifier:  'Unexpected identifier',
-      UnexpectedReserved:  'Unexpected reserved word',
-      UnexpectedEOS:  'Unexpected end of input',
-      NewlineAfterThrow:  'Illegal newline after throw',
-      InvalidRegExp: 'Invalid regular expression',
-      UnterminatedRegExp:  'Invalid regular expression: missing /',
-      InvalidLHSInAssignment:  'Invalid left-hand side in assignment',
-      InvalidLHSInForIn:  'Invalid left-hand side in for-in',
-      MultipleDefaultsInSwitch: 'More than one default clause in switch statement',
-      NoCatchOrFinally:  'Missing catch or finally after try',
-      UnknownLabel: 'Undefined label \'%0\'',
-      Redeclaration: '%0 \'%1\' has already been declared',
-      IllegalContinue: 'Illegal continue statement',
-      IllegalBreak: 'Illegal break statement',
-      IllegalReturn: 'Illegal return statement',
-      StrictModeWith:  'Strict mode code may not include a with statement',
-      StrictCatchVariable:  'Catch variable may not be eval or arguments in strict mode',
-      StrictVarName:  'Variable name may not be eval or arguments in strict mode',
-      StrictParamName:  'Parameter name eval or arguments is not allowed in strict mode',
-      StrictParamDupe: 'Strict mode function may not have duplicate parameter names',
-      StrictFunctionName:  'Function name may not be eval or arguments in strict mode',
-      StrictOctalLiteral:  'Octal literals are not allowed in strict mode.',
-      StrictDelete:  'Delete of an unqualified identifier in strict mode.',
-      StrictDuplicateProperty:  'Duplicate data property in object literal not allowed in strict mode',
-      AccessorDataProperty:  'Object literal may not have data and accessor property with the same name',
-      AccessorGetSet:  'Object literal may not have multiple get/set accessors with the same name',
-      StrictLHSAssignment:  'Assignment to eval or arguments is not allowed in strict mode',
-      StrictLHSPostfix:  'Postfix increment/decrement may not have eval or arguments operand in strict mode',
-      StrictLHSPrefix:  'Prefix increment/decrement may not have eval or arguments operand in strict mode',
-      StrictReservedWord:  'Use of future reserved word in strict mode'
-  };
-
-  // See also tools/generate-unicode-regex.py.
-  Regex = {
-      NonAsciiIdentifierStart: new RegExp('[\xAA\xB5\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0370-\u0374\u0376\u0377\u037A-\u037D\u037F\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u048A-\u052F\u0531-\u0556\u0559\u0561-\u0587\u05D0-\u05EA\u05F0-\u05F2\u0620-\u064A\u066E\u066F\u0671-\u06D3\u06D5\u06E5\u06E6\u06EE\u06EF\u06FA-\u06FC\u06FF\u0710\u0712-\u072F\u074D-\u07A5\u07B1\u07CA-\u07EA\u07F4\u07F5\u07FA\u0800-\u0815\u081A\u0824\u0828\u0840-\u0858\u08A0-\u08B2\u0904-\u0939\u093D\u0950\u0958-\u0961\u0971-\u0980\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BD\u09CE\u09DC\u09DD\u09DF-\u09E1\u09F0\u09F1\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A59-\u0A5C\u0A5E\u0A72-\u0A74\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABD\u0AD0\u0AE0\u0AE1\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3D\u0B5C\u0B5D\u0B5F-\u0B61\u0B71\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BD0\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C39\u0C3D\u0C58\u0C59\u0C60\u0C61\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBD\u0CDE\u0CE0\u0CE1\u0CF1\u0CF2\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D3A\u0D3D\u0D4E\u0D60\u0D61\u0D7A-\u0D7F\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0E01-\u0E30\u0E32\u0E33\u0E40-\u0E46\u0E81\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB0\u0EB2\u0EB3\u0EBD\u0EC0-\u0EC4\u0EC6\u0EDC-\u0EDF\u0F00\u0F40-\u0F47\u0F49-\u0F6C\u0F88-\u0F8C\u1000-\u102A\u103F\u1050-\u1055\u105A-\u105D\u1061\u1065\u1066\u106E-\u1070\u1075-\u1081\u108E\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u1380-\u138F\u13A0-\u13F4\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16EE-\u16F8\u1700-\u170C\u170E-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176C\u176E-\u1770\u1780-\u17B3\u17D7\u17DC\u1820-\u1877\u1880-\u18A8\u18AA\u18B0-\u18F5\u1900-\u191E\u1950-\u196D\u1970-\u1974\u1980-\u19AB\u19C1-\u19C7\u1A00-\u1A16\u1A20-\u1A54\u1AA7\u1B05-\u1B33\u1B45-\u1B4B\u1B83-\u1BA0\u1BAE\u1BAF\u1BBA-\u1BE5\u1C00-\u1C23\u1C4D-\u1C4F\u1C5A-\u1C7D\u1CE9-\u1CEC\u1CEE-\u1CF1\u1CF5\u1CF6\u1D00-\u1DBF\u1E00-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u2071\u207F\u2090-\u209C\u2102\u2107\u210A-\u2113\u2115\u2119-\u211D\u2124\u2126\u2128\u212A-\u212D\u212F-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2160-\u2188\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CEE\u2CF2\u2CF3\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D80-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u2E2F\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303C\u3041-\u3096\u309D-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312D\u3131-\u318E\u31A0-\u31BA\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FCC\uA000-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA61F\uA62A\uA62B\uA640-\uA66E\uA67F-\uA69D\uA6A0-\uA6EF\uA717-\uA71F\uA722-\uA788\uA78B-\uA78E\uA790-\uA7AD\uA7B0\uA7B1\uA7F7-\uA801\uA803-\uA805\uA807-\uA80A\uA80C-\uA822\uA840-\uA873\uA882-\uA8B3\uA8F2-\uA8F7\uA8FB\uA90A-\uA925\uA930-\uA946\uA960-\uA97C\uA984-\uA9B2\uA9CF\uA9E0-\uA9E4\uA9E6-\uA9EF\uA9FA-\uA9FE\uAA00-\uAA28\uAA40-\uAA42\uAA44-\uAA4B\uAA60-\uAA76\uAA7A\uAA7E-\uAAAF\uAAB1\uAAB5\uAAB6\uAAB9-\uAABD\uAAC0\uAAC2\uAADB-\uAADD\uAAE0-\uAAEA\uAAF2-\uAAF4\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uAB30-\uAB5A\uAB5C-\uAB5F\uAB64\uAB65\uABC0-\uABE2\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D\uFB1F-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE70-\uFE74\uFE76-\uFEFC\uFF21-\uFF3A\uFF41-\uFF5A\uFF66-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC]'),
-      NonAsciiIdentifierPart: new 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-  };
-
-  // Ensure the condition is true, otherwise throw an error.
-  // This is only to have a better contract semantic, i.e. another safety net
-  // to catch a logic error. The condition shall be fulfilled in normal case.
-  // Do NOT use this to enforce a certain condition on any user input.
-
-  function assert(condition, message) {
-      if (!condition) {
-          throw new Error('ASSERT: ' + message);
-      }
-  }
-
-  function isDecimalDigit(ch) {
-      return (ch >= 0x30 && ch <= 0x39);   // 0..9
-  }
-
-  function isHexDigit(ch) {
-      return '0123456789abcdefABCDEF'.indexOf(ch) >= 0;
-  }
-
-  function isOctalDigit(ch) {
-      return '01234567'.indexOf(ch) >= 0;
-  }
-
-  // 7.2 White Space
-
-  function isWhiteSpace(ch) {
-      return (ch === 0x20) || (ch === 0x09) || (ch === 0x0B) || (ch === 0x0C) || (ch === 0xA0) ||
-          (ch >= 0x1680 && [0x1680, 0x180E, 0x2000, 0x2001, 0x2002, 0x2003, 0x2004, 0x2005, 0x2006, 0x2007, 0x2008, 0x2009, 0x200A, 0x202F, 0x205F, 0x3000, 0xFEFF].indexOf(ch) >= 0);
-  }
-
-  // 7.3 Line Terminators
-
-  function isLineTerminator(ch) {
-      return (ch === 0x0A) || (ch === 0x0D) || (ch === 0x2028) || (ch === 0x2029);
-  }
-
-  // 7.6 Identifier Names and Identifiers
-
-  function isIdentifierStart(ch) {
-      return (ch === 0x24) || (ch === 0x5F) ||  // $ (dollar) and _ (underscore)
-          (ch >= 0x41 && ch <= 0x5A) ||         // A..Z
-          (ch >= 0x61 && ch <= 0x7A) ||         // a..z
-          (ch === 0x5C) ||                      // \ (backslash)
-          ((ch >= 0x80) && Regex.NonAsciiIdentifierStart.test(String.fromCharCode(ch)));
-  }
-
-  function isIdentifierPart(ch) {
-      return (ch === 0x24) || (ch === 0x5F) ||  // $ (dollar) and _ (underscore)
-          (ch >= 0x41 && ch <= 0x5A) ||         // A..Z
-          (ch >= 0x61 && ch <= 0x7A) ||         // a..z
-          (ch >= 0x30 && ch <= 0x39) ||         // 0..9
-          (ch === 0x5C) ||                      // \ (backslash)
-          ((ch >= 0x80) && Regex.NonAsciiIdentifierPart.test(String.fromCharCode(ch)));
-  }
-
-  // 7.6.1.2 Future Reserved Words
-
-  function isFutureReservedWord(id) {
-      switch (id) {
-      case 'class':
-      case 'enum':
-      case 'export':
-      case 'extends':
-      case 'import':
-      case 'super':
-          return true;
-      default:
-          return false;
-      }
-  }
-
-  function isStrictModeReservedWord(id) {
-      switch (id) {
-      case 'implements':
-      case 'interface':
-      case 'package':
-      case 'private':
-      case 'protected':
-      case 'public':
-      case 'static':
-      case 'yield':
-      case 'let':
-          return true;
-      default:
-          return false;
-      }
-  }
-
-  // 7.6.1.1 Keywords
-
-  function isKeyword(id) {
-      if (strict && isStrictModeReservedWord(id)) {
-          return true;
-      }
-
-      // 'const' is specialized as Keyword in V8.
-      // 'yield' and 'let' are for compatiblity with SpiderMonkey and ES.next.
-      // Some others are from future reserved words.
-
-      switch (id.length) {
-      case 2:
-          return (id === 'if') || (id === 'in') || (id === 'do');
-      case 3:
-          return (id === 'var') || (id === 'for') || (id === 'new') ||
-              (id === 'try') || (id === 'let');
-      case 4:
-          return (id === 'this') || (id === 'else') || (id === 'case') ||
-              (id === 'void') || (id === 'with') || (id === 'enum');
-      case 5:
-          return (id === 'while') || (id === 'break') || (id === 'catch') ||
-              (id === 'throw') || (id === 'const') || (id === 'yield') ||
-              (id === 'class') || (id === 'super');
-      case 6:
-          return (id === 'return') || (id === 'typeof') || (id === 'delete') ||
-              (id === 'switch') || (id === 'export') || (id === 'import');
-      case 7:
-          return (id === 'default') || (id === 'finally') || (id === 'extends');
-      case 8:
-          return (id === 'function') || (id === 'continue') || (id === 'debugger');
-      case 10:
-          return (id === 'instanceof');
-      default:
-          return false;
-      }
-  }
-
-  function skipComment() {
-      var ch, start;
-
-      start = (index === 0);
-      while (index < length) {
-          ch = source.charCodeAt(index);
-
-          if (isWhiteSpace(ch)) {
-              ++index;
-          } else if (isLineTerminator(ch)) {
-              ++index;
-              if (ch === 0x0D && source.charCodeAt(index) === 0x0A) {
-                  ++index;
-              }
-              ++lineNumber;
-              lineStart = index;
-              start = true;
-          } else {
-              break;
-          }
-      }
-  }
-
-  function scanHexEscape(prefix) {
-      var i, len, ch, code = 0;
-
-      len = (prefix === 'u') ? 4 : 2;
-      for (i = 0; i < len; ++i) {
-          if (index < length && isHexDigit(source[index])) {
-              ch = source[index++];
-              code = code * 16 + '0123456789abcdef'.indexOf(ch.toLowerCase());
-          } else {
-              return '';
-          }
-      }
-      return String.fromCharCode(code);
-  }
-
-  function scanUnicodeCodePointEscape() {
-      var ch, code, cu1, cu2;
-
-      ch = source[index];
-      code = 0;
-
-      // At least, one hex digit is required.
-      if (ch === '}') {
-          throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-      }
-
-      while (index < length) {
-          ch = source[index++];
-          if (!isHexDigit(ch)) {
-              break;
-          }
-          code = code * 16 + '0123456789abcdef'.indexOf(ch.toLowerCase());
-      }
-
-      if (code > 0x10FFFF || ch !== '}') {
-          throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-      }
-
-      // UTF-16 Encoding
-      if (code <= 0xFFFF) {
-          return String.fromCharCode(code);
-      }
-      cu1 = ((code - 0x10000) >> 10) + 0xD800;
-      cu2 = ((code - 0x10000) & 1023) + 0xDC00;
-      return String.fromCharCode(cu1, cu2);
-  }
-
-  function getEscapedIdentifier() {
-      var ch, id;
-
-      ch = source.charCodeAt(index++);
-      id = String.fromCharCode(ch);
-
-      // '\u' (U+005C, U+0075) denotes an escaped character.
-      if (ch === 0x5C) {
-          if (source.charCodeAt(index) !== 0x75) {
-              throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-          }
-          ++index;
-          ch = scanHexEscape('u');
-          if (!ch || ch === '\\' || !isIdentifierStart(ch.charCodeAt(0))) {
-              throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-          }
-          id = ch;
-      }
-
-      while (index < length) {
-          ch = source.charCodeAt(index);
-          if (!isIdentifierPart(ch)) {
-              break;
-          }
-          ++index;
-          id += String.fromCharCode(ch);
-
-          // '\u' (U+005C, U+0075) denotes an escaped character.
-          if (ch === 0x5C) {
-              id = id.substr(0, id.length - 1);
-              if (source.charCodeAt(index) !== 0x75) {
-                  throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-              }
-              ++index;
-              ch = scanHexEscape('u');
-              if (!ch || ch === '\\' || !isIdentifierPart(ch.charCodeAt(0))) {
-                  throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-              }
-              id += ch;
-          }
-      }
-
-      return id;
-  }
-
-  function getIdentifier() {
-      var start, ch;
-
-      start = index++;
-      while (index < length) {
-          ch = source.charCodeAt(index);
-          if (ch === 0x5C) {
-              // Blackslash (U+005C) marks Unicode escape sequence.
-              index = start;
-              return getEscapedIdentifier();
-          }
-          if (isIdentifierPart(ch)) {
-              ++index;
-          } else {
-              break;
-          }
-      }
-
-      return source.slice(start, index);
-  }
-
-  function scanIdentifier() {
-      var start, id, type;
-
-      start = index;
-
-      // Backslash (U+005C) starts an escaped character.
-      id = (source.charCodeAt(index) === 0x5C) ? getEscapedIdentifier() : getIdentifier();
-
-      // There is no keyword or literal with only one character.
-      // Thus, it must be an identifier.
-      if (id.length === 1) {
-          type = Token.Identifier;
-      } else if (isKeyword(id)) {
-          type = Token.Keyword;
-      } else if (id === 'null') {
-          type = Token.NullLiteral;
-      } else if (id === 'true' || id === 'false') {
-          type = Token.BooleanLiteral;
-      } else {
-          type = Token.Identifier;
-      }
-
-      return {
-          type: type,
-          value: id,
-          lineNumber: lineNumber,
-          lineStart: lineStart,
-          start: start,
-          end: index
-      };
-  }
-
-  // 7.7 Punctuators
-
-  function scanPunctuator() {
-      var start = index,
-          code = source.charCodeAt(index),
-          code2,
-          ch1 = source[index],
-          ch2,
-          ch3,
-          ch4;
-
-      switch (code) {
-
-      // Check for most common single-character punctuators.
-      case 0x2E:  // . dot
-      case 0x28:  // ( open bracket
-      case 0x29:  // ) close bracket
-      case 0x3B:  // ; semicolon
-      case 0x2C:  // , comma
-      case 0x7B:  // { open curly brace
-      case 0x7D:  // } close curly brace
-      case 0x5B:  // [
-      case 0x5D:  // ]
-      case 0x3A:  // :
-      case 0x3F:  // ?
-      case 0x7E:  // ~
-          ++index;
-          if (extra.tokenize) {
-              if (code === 0x28) {
-                  extra.openParenToken = extra.tokens.length;
-              } else if (code === 0x7B) {
-                  extra.openCurlyToken = extra.tokens.length;
-              }
-          }
-          return {
-              type: Token.Punctuator,
-              value: String.fromCharCode(code),
-              lineNumber: lineNumber,
-              lineStart: lineStart,
-              start: start,
-              end: index
-          };
-
-      default:
-          code2 = source.charCodeAt(index + 1);
-
-          // '=' (U+003D) marks an assignment or comparison operator.
-          if (code2 === 0x3D) {
-              switch (code) {
-              case 0x2B:  // +
-              case 0x2D:  // -
-              case 0x2F:  // /
-              case 0x3C:  // <
-              case 0x3E:  // >
-              case 0x5E:  // ^
-              case 0x7C:  // |
-              case 0x25:  // %
-              case 0x26:  // &
-              case 0x2A:  // *
-                  index += 2;
-                  return {
-                      type: Token.Punctuator,
-                      value: String.fromCharCode(code) + String.fromCharCode(code2),
-                      lineNumber: lineNumber,
-                      lineStart: lineStart,
-                      start: start,
-                      end: index
-                  };
-
-              case 0x21: // !
-              case 0x3D: // =
-                  index += 2;
-
-                  // !== and ===
-                  if (source.charCodeAt(index) === 0x3D) {
-                      ++index;
-                  }
-                  return {
-                      type: Token.Punctuator,
-                      value: source.slice(start, index),
-                      lineNumber: lineNumber,
-                      lineStart: lineStart,
-                      start: start,
-                      end: index
-                  };
-              }
-          }
-      }
-
-      // 4-character punctuator: >>>=
-
-      ch4 = source.substr(index, 4);
-
-      if (ch4 === '>>>=') {
-          index += 4;
-          return {
-              type: Token.Punctuator,
-              value: ch4,
-              lineNumber: lineNumber,
-              lineStart: lineStart,
-              start: start,
-              end: index
-          };
-      }
-
-      // 3-character punctuators: === !== >>> <<= >>=
-
-      ch3 = ch4.substr(0, 3);
-
-      if (ch3 === '>>>' || ch3 === '<<=' || ch3 === '>>=') {
-          index += 3;
-          return {
-              type: Token.Punctuator,
-              value: ch3,
-              lineNumber: lineNumber,
-              lineStart: lineStart,
-              start: start,
-              end: index
-          };
-      }
-
-      // Other 2-character punctuators: ++ -- << >> && ||
-      ch2 = ch3.substr(0, 2);
-
-      if ((ch1 === ch2[1] && ('+-<>&|'.indexOf(ch1) >= 0)) || ch2 === '=>') {
-          index += 2;
-          return {
-              type: Token.Punctuator,
-              value: ch2,
-              lineNumber: lineNumber,
-              lineStart: lineStart,
-              start: start,
-              end: index
-          };
-      }
-
-      // 1-character punctuators: < > = ! + - * % & | ^ /
-
-      if ('<>=!+-*%&|^/'.indexOf(ch1) >= 0) {
-          ++index;
-          return {
-              type: Token.Punctuator,
-              value: ch1,
-              lineNumber: lineNumber,
-              lineStart: lineStart,
-              start: start,
-              end: index
-          };
-      }
-
-      throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-  }
-
-  // 7.8.3 Numeric Literals
-
-  function scanHexLiteral(start) {
-      var number = '';
-
-      while (index < length) {
-          if (!isHexDigit(source[index])) {
-              break;
-          }
-          number += source[index++];
-      }
-
-      if (number.length === 0) {
-          throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-      }
-
-      if (isIdentifierStart(source.charCodeAt(index))) {
-          throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-      }
-
-      return {
-          type: Token.NumericLiteral,
-          value: parseInt('0x' + number, 16),
-          lineNumber: lineNumber,
-          lineStart: lineStart,
-          start: start,
-          end: index
-      };
-  }
-
-  function scanOctalLiteral(start) {
-      var number = '0' + source[index++];
-      while (index < length) {
-          if (!isOctalDigit(source[index])) {
-              break;
-          }
-          number += source[index++];
-      }
-
-      if (isIdentifierStart(source.charCodeAt(index)) || isDecimalDigit(source.charCodeAt(index))) {
-          throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-      }
-
-      return {
-          type: Token.NumericLiteral,
-          value: parseInt(number, 8),
-          octal: true,
-          lineNumber: lineNumber,
-          lineStart: lineStart,
-          start: start,
-          end: index
-      };
-  }
-
-  function scanNumericLiteral() {
-      var number, start, ch;
-
-      ch = source[index];
-      assert(isDecimalDigit(ch.charCodeAt(0)) || (ch === '.'),
-          'Numeric literal must start with a decimal digit or a decimal point');
-
-      start = index;
-      number = '';
-      if (ch !== '.') {
-          number = source[index++];
-          ch = source[index];
-
-          // Hex number starts with '0x'.
-          // Octal number starts with '0'.
-          if (number === '0') {
-              if (ch === 'x' || ch === 'X') {
-                  ++index;
-                  return scanHexLiteral(start);
-              }
-              if (isOctalDigit(ch)) {
-                  return scanOctalLiteral(start);
-              }
-
-              // decimal number starts with '0' such as '09' is illegal.
-              if (ch && isDecimalDigit(ch.charCodeAt(0))) {
-                  throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-              }
-          }
-
-          while (isDecimalDigit(source.charCodeAt(index))) {
-              number += source[index++];
-          }
-          ch = source[index];
-      }
-
-      if (ch === '.') {
-          number += source[index++];
-          while (isDecimalDigit(source.charCodeAt(index))) {
-              number += source[index++];
-          }
-          ch = source[index];
-      }
-
-      if (ch === 'e' || ch === 'E') {
-          number += source[index++];
-
-          ch = source[index];
-          if (ch === '+' || ch === '-') {
-              number += source[index++];
-          }
-          if (isDecimalDigit(source.charCodeAt(index))) {
-              while (isDecimalDigit(source.charCodeAt(index))) {
-                  number += source[index++];
-              }
-          } else {
-              throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-          }
-      }
-
-      if (isIdentifierStart(source.charCodeAt(index))) {
-          throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-      }
-
-      return {
-          type: Token.NumericLiteral,
-          value: parseFloat(number),
-          lineNumber: lineNumber,
-          lineStart: lineStart,
-          start: start,
-          end: index
-      };
-  }
-
-  // 7.8.4 String Literals
-
-  function scanStringLiteral() {
-      var str = '', quote, start, ch, code, unescaped, restore, octal = false, startLineNumber, startLineStart;
-      startLineNumber = lineNumber;
-      startLineStart = lineStart;
-
-      quote = source[index];
-      assert((quote === '\'' || quote === '"'),
-          'String literal must starts with a quote');
-
-      start = index;
-      ++index;
-
-      while (index < length) {
-          ch = source[index++];
-
-          if (ch === quote) {
-              quote = '';
-              break;
-          } else if (ch === '\\') {
-              ch = source[index++];
-              if (!ch || !isLineTerminator(ch.charCodeAt(0))) {
-                  switch (ch) {
-                  case 'u':
-                  case 'x':
-                      if (source[index] === '{') {
-                          ++index;
-                          str += scanUnicodeCodePointEscape();
-                      } else {
-                          restore = index;
-                          unescaped = scanHexEscape(ch);
-                          if (unescaped) {
-                              str += unescaped;
-                          } else {
-                              index = restore;
-                              str += ch;
-                          }
-                      }
-                      break;
-                  case 'n':
-                      str += '\n';
-                      break;
-                  case 'r':
-                      str += '\r';
-                      break;
-                  case 't':
-                      str += '\t';
-                      break;
-                  case 'b':
-                      str += '\b';
-                      break;
-                  case 'f':
-                      str += '\f';
-                      break;
-                  case 'v':
-                      str += '\x0B';
-                      break;
-
-                  default:
-                      if (isOctalDigit(ch)) {
-                          code = '01234567'.indexOf(ch);
-
-                          // \0 is not octal escape sequence
-                          if (code !== 0) {
-                              octal = true;
-                          }
-
-                          if (index < length && isOctalDigit(source[index])) {
-                              octal = true;
-                              code = code * 8 + '01234567'.indexOf(source[index++]);
-
-                              // 3 digits are only allowed when string starts
-                              // with 0, 1, 2, 3
-                              if ('0123'.indexOf(ch) >= 0 &&
-                                      index < length &&
-                                      isOctalDigit(source[index])) {
-                                  code = code * 8 + '01234567'.indexOf(source[index++]);
-                              }
-                          }
-                          str += String.fromCharCode(code);
-                      } else {
-                          str += ch;
-                      }
-                      break;
-                  }
-              } else {
-                  ++lineNumber;
-                  if (ch ===  '\r' && source[index] === '\n') {
-                      ++index;
-                  }
-                  lineStart = index;
-              }
-          } else if (isLineTerminator(ch.charCodeAt(0))) {
-              break;
-          } else {
-              str += ch;
-          }
-      }
-
-      if (quote !== '') {
-          throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-      }
-
-      return {
-          type: Token.StringLiteral,
-          value: str,
-          octal: octal,
-          startLineNumber: startLineNumber,
-          startLineStart: startLineStart,
-          lineNumber: lineNumber,
-          lineStart: lineStart,
-          start: start,
-          end: index
-      };
-  }
-
-  function testRegExp(pattern, flags) {
-      var tmp = pattern,
-          value;
-
-      if (flags.indexOf('u') >= 0) {
-          // Replace each astral symbol and every Unicode code point
-          // escape sequence with a single ASCII symbol to avoid throwing on
-          // regular expressions that are only valid in combination with the
-          // `/u` flag.
-          // Note: replacing with the ASCII symbol `x` might cause false
-          // negatives in unlikely scenarios. For example, `[\u{61}-b]` is a
-          // perfectly valid pattern that is equivalent to `[a-b]`, but it
-          // would be replaced by `[x-b]` which throws an error.
-          tmp = tmp
-              .replace(/\\u\{([0-9a-fA-F]+)\}/g, function ($0, $1) {
-                  if (parseInt($1, 16) <= 0x10FFFF) {
-                      return 'x';
-                  }
-                  throwError({}, Messages.InvalidRegExp);
-              })
-              .replace(/[\uD800-\uDBFF][\uDC00-\uDFFF]/g, 'x');
-      }
-
-      // First, detect invalid regular expressions.
-      try {
-          value = new RegExp(tmp);
-      } catch (e) {
-          throwError({}, Messages.InvalidRegExp);
-      }
-
-      // Return a regular expression object for this pattern-flag pair, or
-      // `null` in case the current environment doesn't support the flags it
-      // uses.
-      try {
-          return new RegExp(pattern, flags);
-      } catch (exception) {
-          return null;
-      }
-  }
-
-  function scanRegExpBody() {
-      var ch, str, classMarker, terminated, body;
-
-      ch = source[index];
-      assert(ch === '/', 'Regular expression literal must start with a slash');
-      str = source[index++];
-
-      classMarker = false;
-      terminated = false;
-      while (index < length) {
-          ch = source[index++];
-          str += ch;
-          if (ch === '\\') {
-              ch = source[index++];
-              // ECMA-262 7.8.5
-              if (isLineTerminator(ch.charCodeAt(0))) {
-                  throwError({}, Messages.UnterminatedRegExp);
-              }
-              str += ch;
-          } else if (isLineTerminator(ch.charCodeAt(0))) {
-              throwError({}, Messages.UnterminatedRegExp);
-          } else if (classMarker) {
-              if (ch === ']') {
-                  classMarker = false;
-              }
-          } else {
-              if (ch === '/') {
-                  terminated = true;
-                  break;
-              } else if (ch === '[') {
-                  classMarker = true;
-              }
-          }
-      }
-
-      if (!terminated) {
-          throwError({}, Messages.UnterminatedRegExp);
-      }
-
-      // Exclude leading and trailing slash.
-      body = str.substr(1, str.length - 2);
-      return {
-          value: body,
-          literal: str
-      };
-  }
-
-  function scanRegExpFlags() {
-      var ch, str, flags, restore;
-
-      str = '';
-      flags = '';
-      while (index < length) {
-          ch = source[index];
-          if (!isIdentifierPart(ch.charCodeAt(0))) {
-              break;
-          }
-
-          ++index;
-          if (ch === '\\' && index < length) {
-              ch = source[index];
-              if (ch === 'u') {
-                  ++index;
-                  restore = index;
-                  ch = scanHexEscape('u');
-                  if (ch) {
-                      flags += ch;
-                      for (str += '\\u'; restore < index; ++restore) {
-                          str += source[restore];
-                      }
-                  } else {
-                      index = restore;
-                      flags += 'u';
-                      str += '\\u';
-                  }
-                  throwErrorTolerant({}, Messages.UnexpectedToken, 'ILLEGAL');
-              } else {
-                  str += '\\';
-                  throwErrorTolerant({}, Messages.UnexpectedToken, 'ILLEGAL');
-              }
-          } else {
-              flags += ch;
-              str += ch;
-          }
-      }
-
-      return {
-          value: flags,
-          literal: str
-      };
-  }
-
-  function scanRegExp() {
-      var start, body, flags, value;
-
-      lookahead = null;
-      skipComment();
-      start = index;
-
-      body = scanRegExpBody();
-      flags = scanRegExpFlags();
-      value = testRegExp(body.value, flags.value);
-
-      if (extra.tokenize) {
-          return {
-              type: Token.RegularExpression,
-              value: value,
-              regex: {
-                  pattern: body.value,
-                  flags: flags.value
-              },
-              lineNumber: lineNumber,
-              lineStart: lineStart,
-              start: start,
-              end: index
-          };
-      }
-
-      return {
-          literal: body.literal + flags.literal,
-          value: value,
-          regex: {
-              pattern: body.value,
-              flags: flags.value
-          },
-          start: start,
-          end: index
-      };
-  }
-
-  function collectRegex() {
-      var pos, loc, regex, token;
-
-      skipComment();
-
-      pos = index;
-      loc = {
-          start: {
-              line: lineNumber,
-              column: index - lineStart
-          }
-      };
-
-      regex = scanRegExp();
-
-      loc.end = {
-          line: lineNumber,
-          column: index - lineStart
-      };
-
-      if (!extra.tokenize) {
-          // Pop the previous token, which is likely '/' or '/='
-          if (extra.tokens.length > 0) {
-              token = extra.tokens[extra.tokens.length - 1];
-              if (token.range[0] === pos && token.type === 'Punctuator') {
-                  if (token.value === '/' || token.value === '/=') {
-                      extra.tokens.pop();
-                  }
-              }
-          }
-
-          extra.tokens.push({
-              type: 'RegularExpression',
-              value: regex.literal,
-              regex: regex.regex,
-              range: [pos, index],
-              loc: loc
-          });
-      }
-
-      return regex;
-  }
-
-  function isIdentifierName(token) {
-      return token.type === Token.Identifier ||
-          token.type === Token.Keyword ||
-          token.type === Token.BooleanLiteral ||
-          token.type === Token.NullLiteral;
-  }
-
-  function advanceSlash() {
-      var prevToken,
-          checkToken;
-      // Using the following algorithm:
-      // https://github.com/mozilla/sweet.js/wiki/design
-      prevToken = extra.tokens[extra.tokens.length - 1];
-      if (!prevToken) {
-          // Nothing before that: it cannot be a division.
-          return collectRegex();
-      }
-      if (prevToken.type === 'Punctuator') {
-          if (prevToken.value === ']') {
-              return scanPunctuator();
-          }
-          if (prevToken.value === ')') {
-              checkToken = extra.tokens[extra.openParenToken - 1];
-              if (checkToken &&
-                      checkToken.type === 'Keyword' &&
-                      (checkToken.value === 'if' ||
-                       checkToken.value === 'while' ||
-                       checkToken.value === 'for' ||
-                       checkToken.value === 'with')) {
-                  return collectRegex();
-              }
-              return scanPunctuator();
-          }
-          if (prevToken.value === '}') {
-              // Dividing a function by anything makes little sense,
-              // but we have to check for that.
-              if (extra.tokens[extra.openCurlyToken - 3] &&
-                      extra.tokens[extra.openCurlyToken - 3].type === 'Keyword') {
-                  // Anonymous function.
-                  checkToken = extra.tokens[extra.openCurlyToken - 4];
-                  if (!checkToken) {
-                      return scanPunctuator();
-                  }
-              } else if (extra.tokens[extra.openCurlyToken - 4] &&
-                      extra.tokens[extra.openCurlyToken - 4].type === 'Keyword') {
-                  // Named function.
-                  checkToken = extra.tokens[extra.openCurlyToken - 5];
-                  if (!checkToken) {
-                      return collectRegex();
-                  }
-              } else {
-                  return scanPunctuator();
-              }
-              return scanPunctuator();
-          }
-          return collectRegex();
-      }
-      if (prevToken.type === 'Keyword' && prevToken.value !== 'this') {
-          return collectRegex();
-      }
-      return scanPunctuator();
-  }
-
-  function advance() {
-      var ch;
-
-      skipComment();
-
-      if (index >= length) {
-          return {
-              type: Token.EOF,
-              lineNumber: lineNumber,
-              lineStart: lineStart,
-              start: index,
-              end: index
-          };
-      }
-
-      ch = source.charCodeAt(index);
-
-      if (isIdentifierStart(ch)) {
-          return scanIdentifier();
-      }
-
-      // Very common: ( and ) and ;
-      if (ch === 0x28 || ch === 0x29 || ch === 0x3B) {
-          return scanPunctuator();
-      }
-
-      // String literal starts with single quote (U+0027) or double quote (U+0022).
-      if (ch === 0x27 || ch === 0x22) {
-          return scanStringLiteral();
-      }
-
-
-      // Dot (.) U+002E can also start a floating-point number, hence the need
-      // to check the next character.
-      if (ch === 0x2E) {
-          if (isDecimalDigit(source.charCodeAt(index + 1))) {
-              return scanNumericLiteral();
-          }
-          return scanPunctuator();
-      }
-
-      if (isDecimalDigit(ch)) {
-          return scanNumericLiteral();
-      }
-
-      // Slash (/) U+002F can also start a regex.
-      if (extra.tokenize && ch === 0x2F) {
-          return advanceSlash();
-      }
-
-      return scanPunctuator();
-  }
-
-  function collectToken() {
-      var loc, token, value, entry;
-
-      skipComment();
-      loc = {
-          start: {
-              line: lineNumber,
-              column: index - lineStart
-          }
-      };
-
-      token = advance();
-      loc.end = {
-          line: lineNumber,
-          column: index - lineStart
-      };
-
-      if (token.type !== Token.EOF) {
-          value = source.slice(token.start, token.end);
-          entry = {
-              type: TokenName[token.type],
-              value: value,
-              range: [token.start, token.end],
-              loc: loc
-          };
-          if (token.regex) {
-              entry.regex = {
-                  pattern: token.regex.pattern,
-                  flags: token.regex.flags
-              };
-          }
-          extra.tokens.push(entry);
-      }
-
-      return token;
-  }
-
-  function lex() {
-      var token;
-
-      token = lookahead;
-      index = token.end;
-      lineNumber = token.lineNumber;
-      lineStart = token.lineStart;
-
-      lookahead = (typeof extra.tokens !== 'undefined') ? collectToken() : advance();
-
-      index = token.end;
-      lineNumber = token.lineNumber;
-      lineStart = token.lineStart;
-
-      return token;
-  }
-
-  function peek() {
-      var pos, line, start;
-
-      pos = index;
-      line = lineNumber;
-      start = lineStart;
-      lookahead = (typeof extra.tokens !== 'undefined') ? collectToken() : advance();
-      index = pos;
-      lineNumber = line;
-      lineStart = start;
-  }
-
-  function Position() {
-      this.line = lineNumber;
-      this.column = index - lineStart;
-  }
-
-  function SourceLocation() {
-      this.start = new Position();
-      this.end = null;
-  }
-
-  function WrappingSourceLocation(startToken) {
-      if (startToken.type === Token.StringLiteral) {
-          this.start = {
-              line: startToken.startLineNumber,
-              column: startToken.start - startToken.startLineStart
-          };
-      } else {
-          this.start = {
-              line: startToken.lineNumber,
-              column: startToken.start - startToken.lineStart
-          };
-      }
-      this.end = null;
-  }
-
-  function Node() {
-      // Skip comment.
-      index = lookahead.start;
-      if (lookahead.type === Token.StringLiteral) {
-          lineNumber = lookahead.startLineNumber;
-          lineStart = lookahead.startLineStart;
-      } else {
-          lineNumber = lookahead.lineNumber;
-          lineStart = lookahead.lineStart;
-      }
-      if (extra.range) {
-          this.range = [index, 0];
-      }
-      if (extra.loc) {
-          this.loc = new SourceLocation();
-      }
-  }
-
-  function WrappingNode(startToken) {
-      if (extra.range) {
-          this.range = [startToken.start, 0];
-      }
-      if (extra.loc) {
-          this.loc = new WrappingSourceLocation(startToken);
-      }
-  }
-
-  WrappingNode.prototype = Node.prototype = {
-
-      finish: function () {
-          if (extra.range) {
-              this.range[1] = index;
-          }
-          if (extra.loc) {
-              this.loc.end = new Position();
-              if (extra.source) {
-                  this.loc.source = extra.source;
-              }
-          }
-      },
-
-      finishArrayExpression: function (elements) {
-          this.type = Syntax.ArrayExpression;
-          this.elements = elements;
-          this.finish();
-          return this;
-      },
-
-      finishAssignmentExpression: function (operator, left, right) {
-          this.type = Syntax.AssignmentExpression;
-          this.operator = operator;
-          this.left = left;
-          this.right = right;
-          this.finish();
-          return this;
-      },
-
-      finishBinaryExpression: function (operator, left, right) {
-          this.type = (operator === '||' || operator === '&&') ? Syntax.LogicalExpression : Syntax.BinaryExpression;
-          this.operator = operator;
-          this.left = left;
-          this.right = right;
-          this.finish();
-          return this;
-      },
-
-      finishCallExpression: function (callee, args) {
-          this.type = Syntax.CallExpression;
-          this.callee = callee;
-          this.arguments = args;
-          this.finish();
-          return this;
-      },
-
-      finishConditionalExpression: function (test, consequent, alternate) {
-          this.type = Syntax.ConditionalExpression;
-          this.test = test;
-          this.consequent = consequent;
-          this.alternate = alternate;
-          this.finish();
-          return this;
-      },
-
-      finishExpressionStatement: function (expression) {
-          this.type = Syntax.ExpressionStatement;
-          this.expression = expression;
-          this.finish();
-          return this;
-      },
-
-      finishIdentifier: function (name) {
-          this.type = Syntax.Identifier;
-          this.name = name;
-          this.finish();
-          return this;
-      },
-
-      finishLiteral: function (token) {
-          this.type = Syntax.Literal;
-          this.value = token.value;
-          this.raw = source.slice(token.start, token.end);
-          if (token.regex) {
-              if (this.raw == '//') {
-                this.raw = '/(?:)/';
-              }
-              this.regex = token.regex;
-          }
-          this.finish();
-          return this;
-      },
-
-      finishMemberExpression: function (accessor, object, property) {
-          this.type = Syntax.MemberExpression;
-          this.computed = accessor === '[';
-          this.object = object;
-          this.property = property;
-          this.finish();
-          return this;
-      },
-
-      finishObjectExpression: function (properties) {
-          this.type = Syntax.ObjectExpression;
-          this.properties = properties;
-          this.finish();
-          return this;
-      },
-
-      finishProgram: function (body) {
-          this.type = Syntax.Program;
-          this.body = body;
-          this.finish();
-          return this;
-      },
-
-      finishProperty: function (kind, key, value) {
-          this.type = Syntax.Property;
-          this.key = key;
-          this.value = value;
-          this.kind = kind;
-          this.finish();
-          return this;
-      },
-
-      finishUnaryExpression: function (operator, argument) {
-          this.type = Syntax.UnaryExpression;
-          this.operator = operator;
-          this.argument = argument;
-          this.prefix = true;
-          this.finish();
-          return this;
-      }
-  };
-
-  // Return true if there is a line terminator before the next token.
-
-  function peekLineTerminator() {
-      var pos, line, start, found;
-
-      pos = index;
-      line = lineNumber;
-      start = lineStart;
-      skipComment();
-      found = lineNumber !== line;
-      index = pos;
-      lineNumber = line;
-      lineStart = start;
-
-      return found;
-  }
-
-  // Throw an exception
-
-  function throwError(token, messageFormat) {
-      var error,
-          args = Array.prototype.slice.call(arguments, 2),
-          msg = messageFormat.replace(
-              /%(\d)/g,
-              function (whole, index) {
-                  assert(index < args.length, 'Message reference must be in range');
-                  return args[index];
-              }
-          );
-
-      if (typeof token.lineNumber === 'number') {
-          error = new Error('Line ' + token.lineNumber + ': ' + msg);
-          error.index = token.start;
-          error.lineNumber = token.lineNumber;
-          error.column = token.start - lineStart + 1;
-      } else {
-          error = new Error('Line ' + lineNumber + ': ' + msg);
-          error.index = index;
-          error.lineNumber = lineNumber;
-          error.column = index - lineStart + 1;
-      }
-
-      error.description = msg;
-      throw error;
-  }
-
-  function throwErrorTolerant() {
-      try {
-          throwError.apply(null, arguments);
-      } catch (e) {
-          if (extra.errors) {
-              extra.errors.push(e);
-          } else {
-              throw e;
-          }
-      }
-  }
-
-
-  // Throw an exception because of the token.
-
-  function throwUnexpected(token) {
-      if (token.type === Token.EOF) {
-          throwError(token, Messages.UnexpectedEOS);
-      }
-
-      if (token.type === Token.NumericLiteral) {
-          throwError(token, Messages.UnexpectedNumber);
-      }
-
-      if (token.type === Token.StringLiteral) {
-          throwError(token, Messages.UnexpectedString);
-      }
-
-      if (token.type === Token.Identifier) {
-          throwError(token, Messages.UnexpectedIdentifier);
-      }
-
-      if (token.type === Token.Keyword) {
-          if (isFutureReservedWord(token.value)) {
-              throwError(token, Messages.UnexpectedReserved);
-          } else if (strict && isStrictModeReservedWord(token.value)) {
-              throwErrorTolerant(token, Messages.StrictReservedWord);
-              return;
-          }
-          throwError(token, Messages.UnexpectedToken, token.value);
-      }
-
-      // BooleanLiteral, NullLiteral, or Punctuator.
-      throwError(token, Messages.UnexpectedToken, token.value);
-  }
-
-  // Expect the next token to match the specified punctuator.
-  // If not, an exception will be thrown.
-
-  function expect(value) {
-      var token = lex();
-      if (token.type !== Token.Punctuator || token.value !== value) {
-          throwUnexpected(token);
-      }
-  }
-
-  /**
-   * @name expectTolerant
-   * @description Quietly expect the given token value when in tolerant mode, otherwise delegates
-   * to <code>expect(value)</code>
-   * @param {String} value The value we are expecting the lookahead token to have
-   * @since 2.0
-   */
-  function expectTolerant(value) {
-      if (extra.errors) {
-          var token = lookahead;
-          if (token.type !== Token.Punctuator && token.value !== value) {
-              throwErrorTolerant(token, Messages.UnexpectedToken, token.value);
-          } else {
-              lex();
-          }
-      } else {
-          expect(value);
-      }
-  }
-
-  // Return true if the next token matches the specified punctuator.
-
-  function match(value) {
-      return lookahead.type === Token.Punctuator && lookahead.value === value;
-  }
-
-  // Return true if the next token matches the specified keyword
-
-  function matchKeyword(keyword) {
-      return lookahead.type === Token.Keyword && lookahead.value === keyword;
-  }
-
-  function consumeSemicolon() {
-      var line;
-
-      // Catch the very common case first: immediately a semicolon (U+003B).
-      if (source.charCodeAt(index) === 0x3B || match(';')) {
-          lex();
-          return;
-      }
-
-      line = lineNumber;
-      skipComment();
-      if (lineNumber !== line) {
-          return;
-      }
-
-      if (lookahead.type !== Token.EOF && !match('}')) {
-          throwUnexpected(lookahead);
-      }
-  }
-
-  // 11.1.4 Array Initialiser
-
-  function parseArrayInitialiser() {
-      var elements = [], node = new Node();
-
-      expect('[');
-
-      while (!match(']')) {
-          if (match(',')) {
-              lex();
-              elements.push(null);
-          } else {
-              elements.push(parseAssignmentExpression());
-
-              if (!match(']')) {
-                  expect(',');
-              }
-          }
-      }
-
-      lex();
-
-      return node.finishArrayExpression(elements);
-  }
-
-  // 11.1.5 Object Initialiser
-
-  function parseObjectPropertyKey() {
-      var token, node = new Node();
-
-      token = lex();
-
-      // Note: This function is called only from parseObjectProperty(), where
-      // EOF and Punctuator tokens are already filtered out.
-
-      if (token.type === Token.StringLiteral || token.type === Token.NumericLiteral) {
-          if (strict && token.octal) {
-              throwErrorTolerant(token, Messages.StrictOctalLiteral);
-          }
-          return node.finishLiteral(token);
-      }
-
-      return node.finishIdentifier(token.value);
-  }
-
-  function parseObjectProperty() {
-      var token, key, id, value, node = new Node();
-
-      token = lookahead;
-
-      if (token.type === Token.Identifier) {
-          id = parseObjectPropertyKey();
-          expect(':');
-          value = parseAssignmentExpression();
-          return node.finishProperty('init', id, value);
-      }
-      if (token.type === Token.EOF || token.type === Token.Punctuator) {
-          throwUnexpected(token);
-      } else {
-          key = parseObjectPropertyKey();
-          expect(':');
-          value = parseAssignmentExpression();
-          return node.finishProperty('init', key, value);
-      }
-  }
-
-  function parseObjectInitialiser() {
-      var properties = [], property, name, key, kind, map = {}, toString = String, node = new Node();
-
-      expect('{');
-
-      while (!match('}')) {
-          property = parseObjectProperty();
-
-          if (property.key.type === Syntax.Identifier) {
-              name = property.key.name;
-          } else {
-              name = toString(property.key.value);
-          }
-          kind = (property.kind === 'init') ? PropertyKind.Data : (property.kind === 'get') ? PropertyKind.Get : PropertyKind.Set;
-
-          key = '$' + name;
-          if (Object.prototype.hasOwnProperty.call(map, key)) {
-              if (map[key] === PropertyKind.Data) {
-                  if (strict && kind === PropertyKind.Data) {
-                      throwErrorTolerant({}, Messages.StrictDuplicateProperty);
-                  } else if (kind !== PropertyKind.Data) {
-                      throwErrorTolerant({}, Messages.AccessorDataProperty);
-                  }
-              } else {
-                  if (kind === PropertyKind.Data) {
-                      throwErrorTolerant({}, Messages.AccessorDataProperty);
-                  } else if (map[key] & kind) {
-                      throwErrorTolerant({}, Messages.AccessorGetSet);
-                  }
-              }
-              map[key] |= kind;
-          } else {
-              map[key] = kind;
-          }
-
-          properties.push(property);
-
-          if (!match('}')) {
-              expectTolerant(',');
-          }
-      }
-
-      expect('}');
-
-      return node.finishObjectExpression(properties);
-  }
-
-  // 11.1.6 The Grouping Operator
-
-  function parseGroupExpression() {
-      var expr;
-
-      expect('(');
-
-      ++state.parenthesisCount;
-
-      expr = parseExpression();
-
-      expect(')');
-
-      return expr;
-  }
-
-
-  // 11.1 Primary Expressions
-
-  var legalKeywords = {"if":1, "this":1};
-
-  function parsePrimaryExpression() {
-      var type, token, expr, node;
-
-      if (match('(')) {
-          return parseGroupExpression();
-      }
-
-      if (match('[')) {
-          return parseArrayInitialiser();
-      }
-
-      if (match('{')) {
-          return parseObjectInitialiser();
-      }
-
-      type = lookahead.type;
-      node = new Node();
-
-      if (type === Token.Identifier || legalKeywords[lookahead.value]) {
-          expr = node.finishIdentifier(lex().value);
-      } else if (type === Token.StringLiteral || type === Token.NumericLiteral) {
-          if (strict && lookahead.octal) {
-              throwErrorTolerant(lookahead, Messages.StrictOctalLiteral);
-          }
-          expr = node.finishLiteral(lex());
-      } else if (type === Token.Keyword) {
-          throw new Error("Disabled.");
-      } else if (type === Token.BooleanLiteral) {
-          token = lex();
-          token.value = (token.value === 'true');
-          expr = node.finishLiteral(token);
-      } else if (type === Token.NullLiteral) {
-          token = lex();
-          token.value = null;
-          expr = node.finishLiteral(token);
-      } else if (match('/') || match('/=')) {
-          if (typeof extra.tokens !== 'undefined') {
-              expr = node.finishLiteral(collectRegex());
-          } else {
-              expr = node.finishLiteral(scanRegExp());
-          }
-          peek();
-      } else {
-          throwUnexpected(lex());
-      }
-
-      return expr;
-  }
-
-  // 11.2 Left-Hand-Side Expressions
-
-  function parseArguments() {
-      var args = [];
-
-      expect('(');
-
-      if (!match(')')) {
-          while (index < length) {
-              args.push(parseAssignmentExpression());
-              if (match(')')) {
-                  break;
-              }
-              expectTolerant(',');
-          }
-      }
-
-      expect(')');
-
-      return args;
-  }
-
-  function parseNonComputedProperty() {
-      var token, node = new Node();
-
-      token = lex();
-
-      if (!isIdentifierName(token)) {
-          throwUnexpected(token);
-      }
-
-      return node.finishIdentifier(token.value);
-  }
-
-  function parseNonComputedMember() {
-      expect('.');
-
-      return parseNonComputedProperty();
-  }
-
-  function parseComputedMember() {
-      var expr;
-
-      expect('[');
-
-      expr = parseExpression();
-
-      expect(']');
-
-      return expr;
-  }
-
-  function parseLeftHandSideExpressionAllowCall() {
-      var expr, args, property, startToken, previousAllowIn = state.allowIn;
-
-      startToken = lookahead;
-      state.allowIn = true;
-      expr = parsePrimaryExpression();
-
-      for (;;) {
-          if (match('.')) {
-              property = parseNonComputedMember();
-              expr = new WrappingNode(startToken).finishMemberExpression('.', expr, property);
-          } else if (match('(')) {
-              args = parseArguments();
-              expr = new WrappingNode(startToken).finishCallExpression(expr, args);
-          } else if (match('[')) {
-              property = parseComputedMember();
-              expr = new WrappingNode(startToken).finishMemberExpression('[', expr, property);
-          } else {
-              break;
-          }
-      }
-      state.allowIn = previousAllowIn;
-
-      return expr;
-  }
-
-  // 11.3 Postfix Expressions
-
-  function parsePostfixExpression() {
-      var expr = parseLeftHandSideExpressionAllowCall();
-
-      if (lookahead.type === Token.Punctuator) {
-          if ((match('++') || match('--')) && !peekLineTerminator()) {
-              throw new Error("Disabled.");
-          }
-      }
-
-      return expr;
-  }
-
-  // 11.4 Unary Operators
-
-  function parseUnaryExpression() {
-      var token, expr, startToken;
-
-      if (lookahead.type !== Token.Punctuator && lookahead.type !== Token.Keyword) {
-          expr = parsePostfixExpression();
-      } else if (match('++') || match('--')) {
-          throw new Error("Disabled.");
-      } else if (match('+') || match('-') || match('~') || match('!')) {
-          startToken = lookahead;
-          token = lex();
-          expr = parseUnaryExpression();
-          expr = new WrappingNode(startToken).finishUnaryExpression(token.value, expr);
-      } else if (matchKeyword('delete') || matchKeyword('void') || matchKeyword('typeof')) {
-          throw new Error("Disabled.");
-      } else {
-          expr = parsePostfixExpression();
-      }
-
-      return expr;
-  }
-
-  function binaryPrecedence(token, allowIn) {
-      var prec = 0;
-
-      if (token.type !== Token.Punctuator && token.type !== Token.Keyword) {
-          return 0;
-      }
-
-      switch (token.value) {
-      case '||':
-          prec = 1;
-          break;
-
-      case '&&':
-          prec = 2;
-          break;
-
-      case '|':
-          prec = 3;
-          break;
-
-      case '^':
-          prec = 4;
-          break;
-
-      case '&':
-          prec = 5;
-          break;
-
-      case '==':
-      case '!=':
-      case '===':
-      case '!==':
-          prec = 6;
-          break;
-
-      case '<':
-      case '>':
-      case '<=':
-      case '>=':
-      case 'instanceof':
-          prec = 7;
-          break;
-
-      case 'in':
-          prec = allowIn ? 7 : 0;
-          break;
-
-      case '<<':
-      case '>>':
-      case '>>>':
-          prec = 8;
-          break;
-
-      case '+':
-      case '-':
-          prec = 9;
-          break;
-
-      case '*':
-      case '/':
-      case '%':
-          prec = 11;
-          break;
-
-      default:
-          break;
-      }
-
-      return prec;
-  }
-
-  // 11.5 Multiplicative Operators
-  // 11.6 Additive Operators
-  // 11.7 Bitwise Shift Operators
-  // 11.8 Relational Operators
-  // 11.9 Equality Operators
-  // 11.10 Binary Bitwise Operators
-  // 11.11 Binary Logical Operators
-
-  function parseBinaryExpression() {
-      var marker, markers, expr, token, prec, stack, right, operator, left, i;
-
-      marker = lookahead;
-      left = parseUnaryExpression();
-
-      token = lookahead;
-      prec = binaryPrecedence(token, state.allowIn);
-      if (prec === 0) {
-          return left;
-      }
-      token.prec = prec;
-      lex();
-
-      markers = [marker, lookahead];
-      right = parseUnaryExpression();
-
-      stack = [left, token, right];
-
-      while ((prec = binaryPrecedence(lookahead, state.allowIn)) > 0) {
-
-          // Reduce: make a binary expression from the three topmost entries.
-          while ((stack.length > 2) && (prec <= stack[stack.length - 2].prec)) {
-              right = stack.pop();
-              operator = stack.pop().value;
-              left = stack.pop();
-              markers.pop();
-              expr = new WrappingNode(markers[markers.length - 1]).finishBinaryExpression(operator, left, right);
-              stack.push(expr);
-          }
-
-          // Shift.
-          token = lex();
-          token.prec = prec;
-          stack.push(token);
-          markers.push(lookahead);
-          expr = parseUnaryExpression();
-          stack.push(expr);
-      }
-
-      // Final reduce to clean-up the stack.
-      i = stack.length - 1;
-      expr = stack[i];
-      markers.pop();
-      while (i > 1) {
-          expr = new WrappingNode(markers.pop()).finishBinaryExpression(stack[i - 1].value, stack[i - 2], expr);
-          i -= 2;
-      }
-
-      return expr;
-  }
-
-  // 11.12 Conditional Operator
-
-  function parseConditionalExpression() {
-      var expr, previousAllowIn, consequent, alternate, startToken;
-
-      startToken = lookahead;
-
-      expr = parseBinaryExpression();
-
-      if (match('?')) {
-          lex();
-          previousAllowIn = state.allowIn;
-          state.allowIn = true;
-          consequent = parseAssignmentExpression();
-          state.allowIn = previousAllowIn;
-          expect(':');
-          alternate = parseAssignmentExpression();
-
-          expr = new WrappingNode(startToken).finishConditionalExpression(expr, consequent, alternate);
-      }
-
-      return expr;
-  }
-
-  // 11.13 Assignment Operators
-
-  function parseAssignmentExpression() {
-      var oldParenthesisCount, token, expr, startToken;
-
-      oldParenthesisCount = state.parenthesisCount;
-
-      startToken = lookahead;
-      token = lookahead;
-
-      expr = parseConditionalExpression();
-
-      return expr;
-  }
-
-  // 11.14 Comma Operator
-
-  function parseExpression() {
-      var expr = parseAssignmentExpression();
-
-      if (match(',')) {
-          throw new Error("Disabled."); // no sequence expressions
-      }
-
-      return expr;
-  }
-
-  // 12.4 Expression Statement
-
-  function parseExpressionStatement(node) {
-      var expr = parseExpression();
-      consumeSemicolon();
-      return node.finishExpressionStatement(expr);
-  }
-
-  // 12 Statements
-
-  function parseStatement() {
-      var type = lookahead.type,
-          expr,
-          node;
-
-      if (type === Token.EOF) {
-          throwUnexpected(lookahead);
-      }
-
-      if (type === Token.Punctuator && lookahead.value === '{') {
-          throw new Error("Disabled."); // block statement
-      }
-
-      node = new Node();
-
-      if (type === Token.Punctuator) {
-          switch (lookahead.value) {
-          case ';':
-              throw new Error("Disabled."); // empty statement
-          case '(':
-              return parseExpressionStatement(node);
-          default:
-              break;
-          }
-      } else if (type === Token.Keyword) {
-          throw new Error("Disabled."); // keyword
-      }
-
-      expr = parseExpression();
-      consumeSemicolon();
-      return node.finishExpressionStatement(expr);
-  }
-
-  // 14 Program
-
-  function parseSourceElement() {
-      if (lookahead.type === Token.Keyword) {
-          switch (lookahead.value) {
-          case 'const':
-          case 'let':
-              throw new Error("Disabled.");
-          case 'function':
-              throw new Error("Disabled.");
-          default:
-              return parseStatement();
-          }
-      }
-
-      if (lookahead.type !== Token.EOF) {
-          return parseStatement();
-      }
-  }
-
-  function parseSourceElements() {
-      var sourceElement, sourceElements = [], token, directive, firstRestricted;
-
-      while (index < length) {
-          token = lookahead;
-          if (token.type !== Token.StringLiteral) {
-              break;
-          }
-
-          sourceElement = parseSourceElement();
-          sourceElements.push(sourceElement);
-          if (sourceElement.expression.type !== Syntax.Literal) {
-              // this is not directive
-              break;
-          }
-          directive = source.slice(token.start + 1, token.end - 1);
-          if (directive === 'use strict') {
-              strict = true;
-              if (firstRestricted) {
-                  throwErrorTolerant(firstRestricted, Messages.StrictOctalLiteral);
-              }
-          } else {
-              if (!firstRestricted && token.octal) {
-                  firstRestricted = token;
-              }
-          }
-      }
-
-      while (index < length) {
-          sourceElement = parseSourceElement();
-          if (typeof sourceElement === 'undefined') {
-              break;
-          }
-          sourceElements.push(sourceElement);
-      }
-      return sourceElements;
-  }
-
-  function parseProgram() {
-      var body, node;
-
-      skipComment();
-      peek();
-      node = new Node();
-      strict = true; // assume strict
-
-      body = parseSourceElements();
-      return node.finishProgram(body);
-  }
-
-  function filterTokenLocation() {
-      var i, entry, token, tokens = [];
-
-      for (i = 0; i < extra.tokens.length; ++i) {
-          entry = extra.tokens[i];
-          token = {
-              type: entry.type,
-              value: entry.value
-          };
-          if (entry.regex) {
-              token.regex = {
-                  pattern: entry.regex.pattern,
-                  flags: entry.regex.flags
-              };
-          }
-          if (extra.range) {
-              token.range = entry.range;
-          }
-          if (extra.loc) {
-              token.loc = entry.loc;
-          }
-          tokens.push(token);
-      }
-
-      extra.tokens = tokens;
-  }
-
-  function tokenize(code, options) {
-      var toString,
-          tokens;
-
-      toString = String;
-      if (typeof code !== 'string' && !(code instanceof String)) {
-          code = toString(code);
-      }
-
-      source = code;
-      index = 0;
-      lineNumber = (source.length > 0) ? 1 : 0;
-      lineStart = 0;
-      length = source.length;
-      lookahead = null;
-      state = {
-          allowIn: true,
-          labelSet: {},
-          inFunctionBody: false,
-          inIteration: false,
-          inSwitch: false,
-          lastCommentStart: -1
-      };
-
-      extra = {};
-
-      // Options matching.
-      options = options || {};
-
-      // Of course we collect tokens here.
-      options.tokens = true;
-      extra.tokens = [];
-      extra.tokenize = true;
-      // The following two fields are necessary to compute the Regex tokens.
-      extra.openParenToken = -1;
-      extra.openCurlyToken = -1;
-
-      extra.range = (typeof options.range === 'boolean') && options.range;
-      extra.loc = (typeof options.loc === 'boolean') && options.loc;
-
-      if (typeof options.tolerant === 'boolean' && options.tolerant) {
-          extra.errors = [];
-      }
-
-      try {
-          peek();
-          if (lookahead.type === Token.EOF) {
-              return extra.tokens;
-          }
-
-          lex();
-          while (lookahead.type !== Token.EOF) {
-              try {
-                  lex();
-              } catch (lexError) {
-                  if (extra.errors) {
-                      extra.errors.push(lexError);
-                      // We have to break on the first error
-                      // to avoid infinite loops.
-                      break;
-                  } else {
-                      throw lexError;
-                  }
-              }
-          }
-
-          filterTokenLocation();
-          tokens = extra.tokens;
-          if (typeof extra.errors !== 'undefined') {
-              tokens.errors = extra.errors;
-          }
-      } catch (e) {
-          throw e;
-      } finally {
-          extra = {};
-      }
-      return tokens;
-  }
-
-  function parse(code, options) {
-      var program, toString;
-
-      toString = String;
-      if (typeof code !== 'string' && !(code instanceof String)) {
-          code = toString(code);
-      }
-
-      source = code;
-      index = 0;
-      lineNumber = (source.length > 0) ? 1 : 0;
-      lineStart = 0;
-      length = source.length;
-      lookahead = null;
-      state = {
-          allowIn: true,
-          labelSet: {},
-          parenthesisCount: 0,
-          inFunctionBody: false,
-          inIteration: false,
-          inSwitch: false,
-          lastCommentStart: -1
-      };
-
-      extra = {};
-      if (typeof options !== 'undefined') {
-          extra.range = (typeof options.range === 'boolean') && options.range;
-          extra.loc = (typeof options.loc === 'boolean') && options.loc;
-
-          if (extra.loc && options.source !== null && options.source !== undefined) {
-              extra.source = toString(options.source);
-          }
-
-          if (typeof options.tokens === 'boolean' && options.tokens) {
-              extra.tokens = [];
-          }
-          if (typeof options.tolerant === 'boolean' && options.tolerant) {
-              extra.errors = [];
-          }
-      }
-
-      try {
-          program = parseProgram();
-          if (typeof extra.tokens !== 'undefined') {
-              filterTokenLocation();
-              program.tokens = extra.tokens;
-          }
-          if (typeof extra.errors !== 'undefined') {
-              program.errors = extra.errors;
-          }
-      } catch (e) {
-          throw e;
-      } finally {
-          extra = {};
-      }
-
-      return program;
-  }
-
-  return {
-    tokenize: tokenize,
-    parse: parse
-  };
-
-})();
-},{}],47:[function(require,module,exports){
-var ts = Date.now();
-
-function write(msg) {
-  msg = '[Vega Log] ' + msg;
-  console.log(msg);
-}
-
-function error(msg) {
-  msg = '[Vega Err] ' + msg;
-  console.error(msg);
-}
-
-function debug(input, args) {
-  if (!debug.enable) return;
-  var log = Function.prototype.bind.call(console.log, console);
-  var state = {
-    prevTime:  Date.now() - ts,
-    stamp: input.stamp
-  };
-
-  if (input.add) {
-    state.add = input.add.length;
-    state.mod = input.mod.length;
-    state.rem = input.rem.length;
-    state.reflow = !!input.reflow;
-  }
-
-  log.apply(console, (args.push(JSON.stringify(state)), args));
-  ts = Date.now();
-}
-
-module.exports = {
-  log:   write,
-  error: error,
-  debug: (debug.enable = false, debug)
-};
-
-},{}],48:[function(require,module,exports){
-module.exports = {
-  path:       require('./path'),
-  render:     require('./render'),
-  Item:       require('./util/Item'),
-  bound:      require('./util/bound'),
-  Bounds:     require('./util/Bounds'),
-  canvas:     require('./util/canvas'),
-  Gradient:   require('./util/Gradient'),
-  toJSON:     require('./util/scene').toJSON,
-  fromJSON:   require('./util/scene').fromJSON
-};
-},{"./path":50,"./render":70,"./util/Bounds":76,"./util/Gradient":78,"./util/Item":80,"./util/bound":81,"./util/canvas":82,"./util/scene":84}],49:[function(require,module,exports){
-var segmentCache = {},
-    bezierCache = {},
-    join = [].join;
-
-// Copied from Inkscape svgtopdf, thanks!
-function segments(x, y, rx, ry, large, sweep, rotateX, ox, oy) {
-  var key = join.call(arguments);
-  if (segmentCache[key]) {
-    return segmentCache[key];
-  }
-
-  var th = rotateX * (Math.PI/180);
-  var sin_th = Math.sin(th);
-  var cos_th = Math.cos(th);
-  rx = Math.abs(rx);
-  ry = Math.abs(ry);
-  var px = cos_th * (ox - x) * 0.5 + sin_th * (oy - y) * 0.5;
-  var py = cos_th * (oy - y) * 0.5 - sin_th * (ox - x) * 0.5;
-  var pl = (px*px) / (rx*rx) + (py*py) / (ry*ry);
-  if (pl > 1) {
-    pl = Math.sqrt(pl);
-    rx *= pl;
-    ry *= pl;
-  }
-
-  var a00 = cos_th / rx;
-  var a01 = sin_th / rx;
-  var a10 = (-sin_th) / ry;
-  var a11 = (cos_th) / ry;
-  var x0 = a00 * ox + a01 * oy;
-  var y0 = a10 * ox + a11 * oy;
-  var x1 = a00 * x + a01 * y;
-  var y1 = a10 * x + a11 * y;
-
-  var d = (x1-x0) * (x1-x0) + (y1-y0) * (y1-y0);
-  var sfactor_sq = 1 / d - 0.25;
-  if (sfactor_sq < 0) sfactor_sq = 0;
-  var sfactor = Math.sqrt(sfactor_sq);
-  if (sweep == large) sfactor = -sfactor;
-  var xc = 0.5 * (x0 + x1) - sfactor * (y1-y0);
-  var yc = 0.5 * (y0 + y1) + sfactor * (x1-x0);
-
-  var th0 = Math.atan2(y0-yc, x0-xc);
-  var th1 = Math.atan2(y1-yc, x1-xc);
-
-  var th_arc = th1-th0;
-  if (th_arc < 0 && sweep === 1){
-    th_arc += 2 * Math.PI;
-  } else if (th_arc > 0 && sweep === 0) {
-    th_arc -= 2 * Math.PI;
-  }
-
-  var segs = Math.ceil(Math.abs(th_arc / (Math.PI * 0.5 + 0.001)));
-  var result = [];
-  for (var i=0; i<segs; ++i) {
-    var th2 = th0 + i * th_arc / segs;
-    var th3 = th0 + (i+1) * th_arc / segs;
-    result[i] = [xc, yc, th2, th3, rx, ry, sin_th, cos_th];
-  }
-
-  return (segmentCache[key] = result);
-}
-
-function bezier(params) {
-  var key = join.call(params);
-  if (bezierCache[key]) {
-    return bezierCache[key];
-  }
-  
-  var cx = params[0],
-      cy = params[1],
-      th0 = params[2],
-      th1 = params[3],
-      rx = params[4],
-      ry = params[5],
-      sin_th = params[6],
-      cos_th = params[7];
-
-  var a00 = cos_th * rx;
-  var a01 = -sin_th * ry;
-  var a10 = sin_th * rx;
-  var a11 = cos_th * ry;
-
-  var cos_th0 = Math.cos(th0);
-  var sin_th0 = Math.sin(th0);
-  var cos_th1 = Math.cos(th1);
-  var sin_th1 = Math.sin(th1);
-
-  var th_half = 0.5 * (th1 - th0);
-  var sin_th_h2 = Math.sin(th_half * 0.5);
-  var t = (8/3) * sin_th_h2 * sin_th_h2 / Math.sin(th_half);
-  var x1 = cx + cos_th0 - t * sin_th0;
-  var y1 = cy + sin_th0 + t * cos_th0;
-  var x3 = cx + cos_th1;
-  var y3 = cy + sin_th1;
-  var x2 = x3 + t * sin_th1;
-  var y2 = y3 - t * cos_th1;
-
-  return (bezierCache[key] = [
-    a00 * x1 + a01 * y1,  a10 * x1 + a11 * y1,
-    a00 * x2 + a01 * y2,  a10 * x2 + a11 * y2,
-    a00 * x3 + a01 * y3,  a10 * x3 + a11 * y3
-  ]);
-}
-
-module.exports = {
-  segments: segments,
-  bezier: bezier,
-  cache: {
-    segments: segmentCache,
-    bezier: bezierCache
-  }
-};
-
-},{}],50:[function(require,module,exports){
-module.exports = {
-  parse:  require('./parse'),
-  render: require('./render')
-};
-
-},{"./parse":51,"./render":52}],51:[function(require,module,exports){
-// Path parsing and rendering code adapted from fabric.js -- Thanks!
-var cmdlen = { m:2, l:2, h:1, v:1, c:6, s:4, q:4, t:2, a:7 },
-    regexp = [/([MLHVCSQTAZmlhvcsqtaz])/g, /###/, /(\d)([-+])/g, /\s|,|###/];
-
-module.exports = function(pathstr) {
-  var result = [],
-      path,
-      curr,
-      chunks,
-      parsed, param,
-      cmd, len, i, j, n, m;
-
-  // First, break path into command sequence
-  path = pathstr
-    .slice()
-    .replace(regexp[0], '###$1')
-    .split(regexp[1])
-    .slice(1);
-
-  // Next, parse each command in turn
-  for (i=0, n=path.length; i<n; ++i) {
-    curr = path[i];
-    chunks = curr
-      .slice(1)
-      .trim()
-      .replace(regexp[2],'$1###$2')
-      .split(regexp[3]);
-    cmd = curr.charAt(0);
-
-    parsed = [cmd];
-    for (j=0, m=chunks.length; j<m; ++j) {
-      if ((param = +chunks[j]) === param) { // not NaN
-        parsed.push(param);
-      }
-    }
-
-    len = cmdlen[cmd.toLowerCase()];
-    if (parsed.length-1 > len) {
-      for (j=1, m=parsed.length; j<m; j+=len) {
-        result.push([cmd].concat(parsed.slice(j, j+len)));
-      }
-    }
-    else {
-      result.push(parsed);
-    }
-  }
-
-  return result;
-};
-
-},{}],52:[function(require,module,exports){
-var arc = require('./arc');
-
-module.exports = function(g, path, l, t) {
-  var current, // current instruction
-      previous = null,
-      x = 0, // current x
-      y = 0, // current y
-      controlX = 0, // current control point x
-      controlY = 0, // current control point y
-      tempX,
-      tempY,
-      tempControlX,
-      tempControlY;
-
-  if (l == null) l = 0;
-  if (t == null) t = 0;
-
-  g.beginPath();
-
-  for (var i=0, len=path.length; i<len; ++i) {
-    current = path[i];
-
-    switch (current[0]) { // first letter
-
-      case 'l': // lineto, relative
-        x += current[1];
-        y += current[2];
-        g.lineTo(x + l, y + t);
-        break;
-
-      case 'L': // lineto, absolute
-        x = current[1];
-        y = current[2];
-        g.lineTo(x + l, y + t);
-        break;
-
-      case 'h': // horizontal lineto, relative
-        x += current[1];
-        g.lineTo(x + l, y + t);
-        break;
-
-      case 'H': // horizontal lineto, absolute
-        x = current[1];
-        g.lineTo(x + l, y + t);
-        break;
-
-      case 'v': // vertical lineto, relative
-        y += current[1];
-        g.lineTo(x + l, y + t);
-        break;
-
-      case 'V': // verical lineto, absolute
-        y = current[1];
-        g.lineTo(x + l, y + t);
-        break;
-
-      case 'm': // moveTo, relative
-        x += current[1];
-        y += current[2];
-        g.moveTo(x + l, y + t);
-        break;
-
-      case 'M': // moveTo, absolute
-        x = current[1];
-        y = current[2];
-        g.moveTo(x + l, y + t);
-        break;
-
-      case 'c': // bezierCurveTo, relative
-        tempX = x + current[5];
-        tempY = y + current[6];
-        controlX = x + current[3];
-        controlY = y + current[4];
-        g.bezierCurveTo(
-          x + current[1] + l, // x1
-          y + current[2] + t, // y1
-          controlX + l, // x2
-          controlY + t, // y2
-          tempX + l,
-          tempY + t
-        );
-        x = tempX;
-        y = tempY;
-        break;
-
-      case 'C': // bezierCurveTo, absolute
-        x = current[5];
-        y = current[6];
-        controlX = current[3];
-        controlY = current[4];
-        g.bezierCurveTo(
-          current[1] + l,
-          current[2] + t,
-          controlX + l,
-          controlY + t,
-          x + l,
-          y + t
-        );
-        break;
-
-      case 's': // shorthand cubic bezierCurveTo, relative
-        // transform to absolute x,y
-        tempX = x + current[3];
-        tempY = y + current[4];
-        // calculate reflection of previous control points
-        controlX = 2 * x - controlX;
-        controlY = 2 * y - controlY;
-        g.bezierCurveTo(
-          controlX + l,
-          controlY + t,
-          x + current[1] + l,
-          y + current[2] + t,
-          tempX + l,
-          tempY + t
-        );
-
-        // set control point to 2nd one of this command
-        // the first control point is assumed to be the reflection of
-        // the second control point on the previous command relative
-        // to the current point.
-        controlX = x + current[1];
-        controlY = y + current[2];
-
-        x = tempX;
-        y = tempY;
-        break;
-
-      case 'S': // shorthand cubic bezierCurveTo, absolute
-        tempX = current[3];
-        tempY = current[4];
-        // calculate reflection of previous control points
-        controlX = 2*x - controlX;
-        controlY = 2*y - controlY;
-        g.bezierCurveTo(
-          controlX + l,
-          controlY + t,
-          current[1] + l,
-          current[2] + t,
-          tempX + l,
-          tempY + t
-        );
-        x = tempX;
-        y = tempY;
-        // set control point to 2nd one of this command
-        // the first control point is assumed to be the reflection of
-        // the second control point on the previous command relative
-        // to the current point.
-        controlX = current[1];
-        controlY = current[2];
-
-        break;
-
-      case 'q': // quadraticCurveTo, relative
-        // transform to absolute x,y
-        tempX = x + current[3];
-        tempY = y + current[4];
-
-        controlX = x + current[1];
-        controlY = y + current[2];
-
-        g.quadraticCurveTo(
-          controlX + l,
-          controlY + t,
-          tempX + l,
-          tempY + t
-        );
-        x = tempX;
-        y = tempY;
-        break;
-
-      case 'Q': // quadraticCurveTo, absolute
-        tempX = current[3];
-        tempY = current[4];
-
-        g.quadraticCurveTo(
-          current[1] + l,
-          current[2] + t,
-          tempX + l,
-          tempY + t
-        );
-        x = tempX;
-        y = tempY;
-        controlX = current[1];
-        controlY = current[2];
-        break;
-
-      case 't': // shorthand quadraticCurveTo, relative
-
-        // transform to absolute x,y
-        tempX = x + current[1];
-        tempY = y + current[2];
-
-        if (previous[0].match(/[QqTt]/) === null) {
-          // If there is no previous command or if the previous command was not a Q, q, T or t,
-          // assume the control point is coincident with the current point
-          controlX = x;
-          controlY = y;
-        }
-        else if (previous[0] === 't') {
-          // calculate reflection of previous control points for t
-          controlX = 2 * x - tempControlX;
-          controlY = 2 * y - tempControlY;
-        }
-        else if (previous[0] === 'q') {
-          // calculate reflection of previous control points for q
-          controlX = 2 * x - controlX;
-          controlY = 2 * y - controlY;
-        }
-
-        tempControlX = controlX;
-        tempControlY = controlY;
-
-        g.quadraticCurveTo(
-          controlX + l,
-          controlY + t,
-          tempX + l,
-          tempY + t
-        );
-        x = tempX;
-        y = tempY;
-        controlX = x + current[1];
-        controlY = y + current[2];
-        break;
-
-      case 'T':
-        tempX = current[1];
-        tempY = current[2];
-
-        // calculate reflection of previous control points
-        controlX = 2 * x - controlX;
-        controlY = 2 * y - controlY;
-        g.quadraticCurveTo(
-          controlX + l,
-          controlY + t,
-          tempX + l,
-          tempY + t
-        );
-        x = tempX;
-        y = tempY;
-        break;
-
-      case 'a':
-        drawArc(g, x + l, y + t, [
-          current[1],
-          current[2],
-          current[3],
-          current[4],
-          current[5],
-          current[6] + x + l,
-          current[7] + y + t
-        ]);
-        x += current[6];
-        y += current[7];
-        break;
-
-      case 'A':
-        drawArc(g, x + l, y + t, [
-          current[1],
-          current[2],
-          current[3],
-          current[4],
-          current[5],
-          current[6] + l,
-          current[7] + t
-        ]);
-        x = current[6];
-        y = current[7];
-        break;
-
-      case 'z':
-      case 'Z':
-        g.closePath();
-        break;
-    }
-    previous = current;
-  }
-};
-
-function drawArc(g, x, y, coords) {
-  var seg = arc.segments(
-    coords[5], // end x
-    coords[6], // end y
-    coords[0], // radius x
-    coords[1], // radius y
-    coords[3], // large flag
-    coords[4], // sweep flag
-    coords[2], // rotation
-    x, y
-  );
-  for (var i=0; i<seg.length; ++i) {
-    var bez = arc.bezier(seg[i]);
-    g.bezierCurveTo.apply(g, bez);
-  }
-}
-
-},{"./arc":49}],53:[function(require,module,exports){
-function Handler() {
-  this._active = null;
-  this._handlers = {};
-}
-
-var prototype = Handler.prototype;
-
-prototype.initialize = function(el, pad, obj) {
-  this._el = el;
-  this._obj = obj || null;
-  return this.padding(pad);
-};
-
-prototype.element = function() {
-  return this._el;
-};
-
-prototype.padding = function(pad) {
-  this._padding = pad || {top:0, left:0, bottom:0, right:0};
-  return this;
-};
-
-prototype.scene = function(scene) {
-  if (!arguments.length) return this._scene;
-  this._scene = scene;
-  return this;
-};
-
-// add an event handler
-// subclasses should override
-prototype.on = function(/*type, handler*/) {};
-
-// remove an event handler
-// subclasses should override
-prototype.off = function(/*type, handler*/) {};
-
-// return an array with all registered event handlers
-prototype.handlers = function() {
-  var h = this._handlers, a = [], k;
-  for (k in h) { a.push.apply(a, h[k]); }
-  return a;
-};
-
-prototype.eventName = function(name) {
-  var i = name.indexOf('.');
-  return i < 0 ? name : name.slice(0,i);
-};
-
-module.exports = Handler;
-},{}],54:[function(require,module,exports){
-function Renderer() {
-  this._el = null;
-  this._bgcolor = null;
-}
-
-var prototype = Renderer.prototype;
-
-prototype.initialize = function(el, width, height, padding) {
-  this._el = el;
-  return this.resize(width, height, padding);
-};
-
-// Returns the parent container element for a visualization
-prototype.element = function() {
-  return this._el;
-};
-
-// Returns the scene element (e.g., canvas or SVG) of the visualization
-// Subclasses must override if the first child is not the scene element
-prototype.scene = function() {
-  return this._el && this._el.firstChild;
-};
-
-prototype.background = function(bgcolor) {
-  if (arguments.length === 0) return this._bgcolor;
-  this._bgcolor = bgcolor;
-  return this;
-};
-
-prototype.resize = function(width, height, padding) {
-  this._width = width;
-  this._height = height;
-  this._padding = padding || {top:0, left:0, bottom:0, right:0};
-  return this;
-};
-
-prototype.render = function(/*scene, items*/) {
-  return this;
-};
-
-module.exports = Renderer;
-},{}],55:[function(require,module,exports){
-var DOM = require('../../util/dom'),
-    Handler = require('../Handler'),
-    marks = require('./marks');
-
-function CanvasHandler() {
-  Handler.call(this);
-  this._down = null;
-  this._touch = null;
-  this._first = true;
-}
-
-var base = Handler.prototype;
-var prototype = (CanvasHandler.prototype = Object.create(base));
-prototype.constructor = CanvasHandler;
-
-prototype.initialize = function(el, pad, obj) {
-  // add event listeners
-  var canvas = this._canvas = DOM.find(el, 'canvas');
-  if (canvas) {
-    var that = this;
-    this.events.forEach(function(type) {
-      canvas.addEventListener(type, function(evt) {
-        if (prototype[type]) {
-          prototype[type].call(that, evt);
-        } else {
-          that.fire(type, evt);
-        }
-      });
-    });
-  }
-
-  return base.initialize.call(this, el, pad, obj);
-};
-
-prototype.canvas = function() {
-  return this._canvas;
-};
-
-// retrieve the current canvas context
-prototype.context = function() {
-  return this._canvas.getContext('2d');
-};
-
-// supported events
-prototype.events = [
-  'keydown',
-  'keypress',
-  'keyup',
-  'mousedown',
-  'mouseup',
-  'mousemove',
-  'mouseout',
-  'mouseover',
-  'click',
-  'dblclick',
-  'wheel',
-  'mousewheel',
-  'touchstart',
-  'touchmove',
-  'touchend'
-];
-
-// to keep firefox happy
-prototype.DOMMouseScroll = function(evt) {
-  this.fire('mousewheel', evt);
-};
-
-prototype.mousemove = function(evt) {
-  var a = this._active,
-      p = this.pickEvent(evt);
-
-  if (p === a) {
-    // active item and picked item are the same
-    this.fire('mousemove', evt); // fire move
-  } else {
-    // active item and picked item are different
-    this.fire('mouseout', evt);  // fire out for prior active item
-    this._active = p;            // set new active item
-    this.fire('mouseover', evt); // fire over for new active item
-    this.fire('mousemove', evt); // fire move for new active item
-  }
-};
-
-prototype.mouseout = function(evt) {
-  this.fire('mouseout', evt);
-  this._active = null;
-};
-
-prototype.mousedown = function(evt) {
-  this._down = this._active;
-  this.fire('mousedown', evt);
-};
-
-prototype.click = function(evt) {
-  if (this._down === this._active) {
-    this.fire('click', evt);
-    this._down = null;
-  }
-};
-
-prototype.touchstart = function(evt) {
-  this._touch = this.pickEvent(evt.changedTouches[0]);
-
-  if (this._first) {
-    this._active = this._touch;
-    this._first = false;
-  }
-
-  this.fire('touchstart', evt, true);
-};
-
-prototype.touchmove = function(evt) {
-  this.fire('touchmove', evt, true);
-};
-
-prototype.touchend = function(evt) {
-  this.fire('touchend', evt, true);
-  this._touch = null;
-};
-
-// fire an event
-prototype.fire = function(type, evt, touch) {
-  var a = touch ? this._touch : this._active,
-      h = this._handlers[type], i, len;
-  if (h) {
-    evt.vegaType = type;
-    for (i=0, len=h.length; i<len; ++i) {
-      h[i].handler.call(this._obj, evt, a);
-    }
-  }
-};
-
-// add an event handler
-prototype.on = function(type, handler) {
-  var name = this.eventName(type),
-      h = this._handlers;
-  (h[name] || (h[name] = [])).push({
-    type: type,
-    handler: handler
-  });
-  return this;
-};
-
-// remove an event handler
-prototype.off = function(type, handler) {
-  var name = this.eventName(type),
-      h = this._handlers[name], i;
-  if (!h) return;
-  for (i=h.length; --i>=0;) {
-    if (h[i].type !== type) continue;
-    if (!handler || h[i].handler === handler) h.splice(i, 1);
-  }
-  return this;
-};
-
-prototype.pickEvent = function(evt) {
-  var rect = this._canvas.getBoundingClientRect(),
-      pad = this._padding, x, y;
-  return this.pick(this._scene,
-    x = (evt.clientX - rect.left),
-    y = (evt.clientY - rect.top),
-    x - pad.left, y - pad.top);
-};
-
-// find the scenegraph item at the current mouse position
-// x, y -- the absolute x, y mouse coordinates on the canvas element
-// gx, gy -- the relative coordinates within the current group
-prototype.pick = function(scene, x, y, gx, gy) {
-  var g = this.context(),
-      mark = marks[scene.marktype];
-  return mark.pick.call(this, g, scene, x, y, gx, gy);
-};
-
-module.exports = CanvasHandler;
-
-},{"../../util/dom":83,"../Handler":53,"./marks":62}],56:[function(require,module,exports){
-var DOM = require('../../util/dom'),
-    Bounds = require('../../util/Bounds'),
-    ImageLoader = require('../../util/ImageLoader'),
-    Canvas = require('../../util/canvas'),
-    Renderer = require('../Renderer'),
-    marks = require('./marks');
-
-function CanvasRenderer(loadConfig) {
-  Renderer.call(this);
-  this._loader = new ImageLoader(loadConfig);
-}
-
-CanvasRenderer.RETINA = true;
-
-var base = Renderer.prototype;
-var prototype = (CanvasRenderer.prototype = Object.create(base));
-prototype.constructor = CanvasRenderer;
-
-prototype.initialize = function(el, width, height, padding) {
-  this._canvas = Canvas.instance(width, height);
-  if (el) {
-    DOM.clear(el, 0).appendChild(this._canvas);
-    this._canvas.setAttribute('class', 'marks');
-  }
-  return base.initialize.call(this, el, width, height, padding);
-};
-
-prototype.resize = function(width, height, padding) {
-  base.resize.call(this, width, height, padding);
-  Canvas.resize(this._canvas, this._width, this._height,
-    this._padding, CanvasRenderer.RETINA);
-  return this;
-};
-
-prototype.canvas = function() {
-  return this._canvas;
-};
-
-prototype.context = function() {
-  return this._canvas ? this._canvas.getContext('2d') : null;
-};
-
-prototype.pendingImages = function() {
-  return this._loader.pending();
-};
-
-function clipToBounds(g, items) {
-  if (!items) return null;
-
-  var b = new Bounds(), i, n, item, mark, group;
-  for (i=0, n=items.length; i<n; ++i) {
-    item = items[i];
-    mark = item.mark;
-    group = mark.group;
-    item = marks[mark.marktype].nested ? mark : item;
-    b.union(translate(item.bounds, group));
-    if (item['bounds:prev']) {
-      b.union(translate(item['bounds:prev'], group));
-    }
-  }
-  b.round();
-
-  g.beginPath();
-  g.rect(b.x1, b.y1, b.width(), b.height());
-  g.clip();
-
-  return b;
-}
-
-function translate(bounds, group) {
-  if (group == null) return bounds;
-  var b = bounds.clone();
-  for (; group != null; group = group.mark.group) {
-    b.translate(group.x || 0, group.y || 0);
-  }
-  return b;
-}
-
-prototype.render = function(scene, items) {
-  var g = this.context(),
-      p = this._padding,
-      w = this._width + p.left + p.right,
-      h = this._height + p.top + p.bottom,
-      b;
-
-  // setup
-  this._scene = scene; // cache scene for async redraw
-  g.save();
-  b = clipToBounds(g, items);
-  this.clear(-p.left, -p.top, w, h);
-
-  // render
-  this.draw(g, scene, b);
-  
-  // takedown
-  g.restore();
-  this._scene = null; // clear scene cache
-
-  return this;
-};
-
-prototype.draw = function(ctx, scene, bounds) {
-  var mark = marks[scene.marktype];
-  mark.draw.call(this, ctx, scene, bounds);
-};
-
-prototype.clear = function(x, y, w, h) {
-  var g = this.context();
-  g.clearRect(x, y, w, h);
-  if (this._bgcolor != null) {
-    g.fillStyle = this._bgcolor;
-    g.fillRect(x, y, w, h); 
-  }
-};
-
-prototype.loadImage = function(uri) {
-  var renderer = this,
-      scene = this._scene;
-  return this._loader.loadImage(uri, function() {
-    renderer.renderAsync(scene);
-  });
-};
-
-prototype.renderAsync = function(scene) {
-  // TODO make safe for multiple scene rendering?
-  var renderer = this;
-  if (renderer._async_id) {
-    clearTimeout(renderer._async_id);
-  }
-  renderer._async_id = setTimeout(function() {
-    renderer.render(scene);
-    delete renderer._async_id;
-  }, 10);
-};
-
-module.exports = CanvasRenderer;
-
-},{"../../util/Bounds":76,"../../util/ImageLoader":79,"../../util/canvas":82,"../../util/dom":83,"../Renderer":54,"./marks":62}],57:[function(require,module,exports){
-module.exports = {
-  Handler:  require('./CanvasHandler'),
-  Renderer: require('./CanvasRenderer')
-};
-},{"./CanvasHandler":55,"./CanvasRenderer":56}],58:[function(require,module,exports){
-var util = require('./util');
-var halfpi = Math.PI / 2;
-
-function path(g, o) {
-  var x = o.x || 0,
-      y = o.y || 0,
-      ir = o.innerRadius || 0,
-      or = o.outerRadius || 0,
-      sa = (o.startAngle || 0) - halfpi,
-      ea = (o.endAngle || 0) - halfpi;
-  g.beginPath();
-  if (ir === 0) g.moveTo(x, y);
-  else g.arc(x, y, ir, sa, ea, 0);
-  g.arc(x, y, or, ea, sa, 1);
-  g.closePath();
-}
-
-module.exports = {
-  draw: util.drawAll(path),
-  pick: util.pickPath(path)
-};
-},{"./util":69}],59:[function(require,module,exports){
-var util = require('./util'),
-    parse = require('../../../path/parse'),
-    render = require('../../../path/render'),
-    areaPath = require('../../../util/svg').path.area;
-
-function path(g, items) {
-  var o = items[0],
-      p = o.pathCache || (o.pathCache = parse(areaPath(items)));
-  render(g, p);
-}
-
-function pick(g, scene, x, y, gx, gy) {
-  var items = scene.items,
-      b = scene.bounds;
-
-  if (!items || !items.length || b && !b.contains(gx, gy)) {
-    return null;
-  }
-
-  if (g.pixelratio != null && g.pixelratio !== 1) {
-    x *= g.pixelratio;
-    y *= g.pixelratio;
-  }
-  return hit(g, items, x, y) ? items[0] : null;
-}
-
-var hit = util.testPath(path);
-
-module.exports = {
-  draw: util.drawOne(path),
-  pick: pick,
-  nested: true
-};
-
-},{"../../../path/parse":51,"../../../path/render":52,"../../../util/svg":85,"./util":69}],60:[function(require,module,exports){
-var util = require('./util'),
-    EMPTY = [];
-
-function draw(g, scene, bounds) {
-  if (!scene.items || !scene.items.length) return;
-
-  var groups = scene.items,
-      renderer = this,
-      group, items, axes, legends, gx, gy, w, h, opac, i, n, j, m;
-
-  for (i=0, n=groups.length; i<n; ++i) {
-    group = groups[i];
-    axes = group.axisItems || EMPTY;
-    items = group.items || EMPTY;
-    legends = group.legendItems || EMPTY;
-    gx = group.x || 0;
-    gy = group.y || 0;
-    w = group.width || 0;
-    h = group.height || 0;
-
-    // draw group background
-    if (group.stroke || group.fill) {
-      opac = group.opacity == null ? 1 : group.opacity;
-      if (opac > 0) {
-        if (group.fill && util.fill(g, group, opac)) {
-          g.fillRect(gx, gy, w, h);
-        }
-        if (group.stroke && util.stroke(g, group, opac)) {
-          g.strokeRect(gx, gy, w, h);
-        }
-      }
-    }
-
-    // setup graphics context
-    g.save();
-    g.translate(gx, gy);
-    if (group.clip) {
-      g.beginPath();
-      g.rect(0, 0, w, h);
-      g.clip();
-    }
-    if (bounds) bounds.translate(-gx, -gy);
-
-    // draw group contents
-    for (j=0, m=axes.length; j<m; ++j) {
-      if (axes[j].layer === 'back') {
-        renderer.draw(g, axes[j], bounds);
-      }
-    }
-    for (j=0, m=items.length; j<m; ++j) {
-      renderer.draw(g, items[j], bounds);
-    }
-    for (j=0, m=axes.length; j<m; ++j) {
-      if (axes[j].layer !== 'back') {
-        renderer.draw(g, axes[j], bounds);
-      }
-    }
-    for (j=0, m=legends.length; j<m; ++j) {
-      renderer.draw(g, legends[j], bounds);
-    }
-
-    // restore graphics context
-    if (bounds) bounds.translate(gx, gy);
-    g.restore();
-  }    
-}
-
-function pick(g, scene, x, y, gx, gy) {
-  if (scene.bounds && !scene.bounds.contains(gx, gy)) {
-    return null;
-  }
-
-  var groups = scene.items || EMPTY, subscene,
-      group, axes, items, legends, hits, dx, dy, i, j, b;
-
-  for (i=groups.length; --i>=0;) {
-    group = groups[i];
-
-    // first hit test against bounding box
-    // if a group is clipped, that should be handled by the bounds check.
-    b = group.bounds;
-    if (b && !b.contains(gx, gy)) continue;
-
-    // passed bounds check, so test sub-groups
-    axes = group.axisItems || EMPTY;
-    items = group.items || EMPTY;
-    legends = group.legendItems || EMPTY;
-    dx = (group.x || 0);
-    dy = (group.y || 0);
-
-    g.save();
-    g.translate(dx, dy);
-    dx = gx - dx;
-    dy = gy - dy;
-    for (j=legends.length; --j>=0;) {
-      subscene = legends[j];
-      if (subscene.interactive !== false) {
-        hits = this.pick(subscene, x, y, dx, dy);
-        if (hits) { g.restore(); return hits; }
-      }
-    }
-    for (j=axes.length; --j>=0;) {
-      subscene = axes[j];
-      if (subscene.interactive !== false && subscene.layer !== 'back') {
-        hits = this.pick(subscene, x, y, dx, dy);
-        if (hits) { g.restore(); return hits; }
-      }
-    }
-    for (j=items.length; --j>=0;) {
-      subscene = items[j];
-      if (subscene.interactive !== false) {
-        hits = this.pick(subscene, x, y, dx, dy);
-        if (hits) { g.restore(); return hits; }
-      }
-    }
-    for (j=axes.length; --j>=0;) {
-      subscene = axes[j];
-      if (subscene.interative !== false && subscene.layer === 'back') {
-        hits = this.pick(subscene, x, y, dx, dy);
-        if (hits) { g.restore(); return hits; }
-      }
-    }
-    g.restore();
-
-    if (scene.interactive !== false && (group.fill || group.stroke) &&
-        dx >= 0 && dx <= group.width && dy >= 0 && dy <= group.height) {
-      return group;
-    }
-  }
-
-  return null;
-}
-
-module.exports = {
-  draw: draw,
-  pick: pick
-};
-
-},{"./util":69}],61:[function(require,module,exports){
-var util = require('./util');
-
-function draw(g, scene, bounds) {
-  if (!scene.items || !scene.items.length) return;
-
-  var renderer = this,
-      items = scene.items, o;
-
-  for (var i=0, len=items.length; i<len; ++i) {
-    o = items[i];
-    if (bounds && !bounds.intersects(o.bounds))
-      continue; // bounds check
-
-    if (!(o.image && o.image.url === o.url)) {
-      o.image = renderer.loadImage(o.url);
-      o.image.url = o.url;
-    }
-
-    var x = o.x || 0,
-        y = o.y || 0,
-        w = o.width || (o.image && o.image.width) || 0,
-        h = o.height || (o.image && o.image.height) || 0,
-        opac;
-    x = x - (o.align==='center' ? w/2 : o.align==='right' ? w : 0);
-    y = y - (o.baseline==='middle' ? h/2 : o.baseline==='bottom' ? h : 0);
-
-    if (o.image.loaded) {
-      g.globalAlpha = (opac = o.opacity) != null ? opac : 1;
-      g.drawImage(o.image, x, y, w, h);
-    }
-  }
-}
-
-module.exports = {
-  draw: draw,
-  pick: util.pick()
-};
-},{"./util":69}],62:[function(require,module,exports){
-module.exports = {
-  arc:    require('./arc'),
-  area:   require('./area'),
-  group:  require('./group'),
-  image:  require('./image'),
-  line:   require('./line'),
-  path:   require('./path'),
-  rect:   require('./rect'),
-  rule:   require('./rule'),
-  symbol: require('./symbol'),
-  text:   require('./text')
-};
-
-},{"./arc":58,"./area":59,"./group":60,"./image":61,"./line":63,"./path":64,"./rect":65,"./rule":66,"./symbol":67,"./text":68}],63:[function(require,module,exports){
-var util = require('./util'),
-    parse = require('../../../path/parse'),
-    render = require('../../../path/render'),
-    linePath = require('../../../util/svg').path.line;
-    
-function path(g, items) {
-  var o = items[0],
-      p = o.pathCache || (o.pathCache = parse(linePath(items)));
-  render(g, p);
-}
-
-function pick(g, scene, x, y, gx, gy) {
-  var items = scene.items,
-      b = scene.bounds;
-
-  if (!items || !items.length || b && !b.contains(gx, gy)) {
-    return null;
-  }
-
-  if (g.pixelratio != null && g.pixelratio !== 1) {
-    x *= g.pixelratio;
-    y *= g.pixelratio;
-  }
-  return hit(g, items, x, y) ? items[0] : null;
-}
-
-var hit = util.testPath(path, false);
-
-module.exports = {
-  draw: util.drawOne(path),
-  pick: pick,
-  nested: true
-};
-
-},{"../../../path/parse":51,"../../../path/render":52,"../../../util/svg":85,"./util":69}],64:[function(require,module,exports){
-var util = require('./util'),
-    parse = require('../../../path/parse'),
-    render = require('../../../path/render');
-
-function path(g, o) {
-  if (o.path == null) return true;
-  var p = o.pathCache || (o.pathCache = parse(o.path));
-  render(g, p, o.x, o.y);
-}
-
-module.exports = {
-  draw: util.drawAll(path),
-  pick: util.pickPath(path)
-};
-
-},{"../../../path/parse":51,"../../../path/render":52,"./util":69}],65:[function(require,module,exports){
-var util = require('./util');
-
-function draw(g, scene, bounds) {
-  if (!scene.items || !scene.items.length) return;
-
-  var items = scene.items,
-      o, opac, x, y, w, h;
-
-  for (var i=0, len=items.length; i<len; ++i) {
-    o = items[i];
-    if (bounds && !bounds.intersects(o.bounds))
-      continue; // bounds check
-
-    opac = o.opacity == null ? 1 : o.opacity;
-    if (opac === 0) continue;
-
-    x = o.x || 0;
-    y = o.y || 0;
-    w = o.width || 0;
-    h = o.height || 0;
-
-    if (o.fill && util.fill(g, o, opac)) {
-      g.fillRect(x, y, w, h);
-    }
-    if (o.stroke && util.stroke(g, o, opac)) {
-      g.strokeRect(x, y, w, h);
-    }
-  }
-}
-
-module.exports = {
-  draw: draw,
-  pick: util.pick()
-};
-},{"./util":69}],66:[function(require,module,exports){
-var util = require('./util');
-
-function draw(g, scene, bounds) {
-  if (!scene.items || !scene.items.length) return;
-
-  var items = scene.items,
-      o, opac, x1, y1, x2, y2;
-
-  for (var i=0, len=items.length; i<len; ++i) {
-    o = items[i];
-    if (bounds && !bounds.intersects(o.bounds))
-      continue; // bounds check
-
-    opac = o.opacity == null ? 1 : o.opacity;
-    if (opac === 0) continue;
-      
-    x1 = o.x || 0;
-    y1 = o.y || 0;
-    x2 = o.x2 != null ? o.x2 : x1;
-    y2 = o.y2 != null ? o.y2 : y1;
-
-    if (o.stroke && util.stroke(g, o, opac)) {
-      g.beginPath();
-      g.moveTo(x1, y1);
-      g.lineTo(x2, y2);
-      g.stroke();
-    }
-  }
-}
-
-function stroke(g, o) {
-  var x1 = o.x || 0,
-      y1 = o.y || 0,
-      x2 = o.x2 != null ? o.x2 : x1,
-      y2 = o.y2 != null ? o.y2 : y1,
-      lw = o.strokeWidth,
-      lc = o.strokeCap;
-
-  g.lineWidth = lw != null ? lw : 1;
-  g.lineCap   = lc != null ? lc : 'butt';
-  g.beginPath();
-  g.moveTo(x1, y1);
-  g.lineTo(x2, y2);
-}
-
-function hit(g, o, x, y) {
-  if (!g.isPointInStroke) return false;
-  stroke(g, o);
-  return g.isPointInStroke(x, y);
-}
-
-module.exports = {
-  draw: draw,
-  pick: util.pick(hit)
-};
-
-},{"./util":69}],67:[function(require,module,exports){
-var util = require('./util');
-
-var sqrt3 = Math.sqrt(3),
-    tan30 = Math.tan(30 * Math.PI / 180);
-
-function path(g, o) {
-  var size = o.size != null ? o.size : 100,
-      x = o.x, y = o.y, r, t, rx, ry;
-
-  g.beginPath();
-
-  if (o.shape == null || o.shape === 'circle') {
-    r = Math.sqrt(size / Math.PI);
-    g.arc(x, y, r, 0, 2*Math.PI, 0);
-    g.closePath();
-    return;
-  }
-
-  switch (o.shape) {
-    case 'cross':
-      r = Math.sqrt(size / 5) / 2;
-      t = 3*r;
-      g.moveTo(x-t, y-r);
-      g.lineTo(x-r, y-r);
-      g.lineTo(x-r, y-t);
-      g.lineTo(x+r, y-t);
-      g.lineTo(x+r, y-r);
-      g.lineTo(x+t, y-r);
-      g.lineTo(x+t, y+r);
-      g.lineTo(x+r, y+r);
-      g.lineTo(x+r, y+t);
-      g.lineTo(x-r, y+t);
-      g.lineTo(x-r, y+r);
-      g.lineTo(x-t, y+r);
-      break;
-
-    case 'diamond':
-      ry = Math.sqrt(size / (2 * tan30));
-      rx = ry * tan30;
-      g.moveTo(x, y-ry);
-      g.lineTo(x+rx, y);
-      g.lineTo(x, y+ry);
-      g.lineTo(x-rx, y);
-      break;
-
-    case 'square':
-      t = Math.sqrt(size);
-      r = t / 2;
-      g.rect(x-r, y-r, t, t);
-      break;
-
-    case 'triangle-down':
-      rx = Math.sqrt(size / sqrt3);
-      ry = rx * sqrt3 / 2;
-      g.moveTo(x, y+ry);
-      g.lineTo(x+rx, y-ry);
-      g.lineTo(x-rx, y-ry);
-      break;
-
-    case 'triangle-up':
-      rx = Math.sqrt(size / sqrt3);
-      ry = rx * sqrt3 / 2;
-      g.moveTo(x, y-ry);
-      g.lineTo(x+rx, y+ry);
-      g.lineTo(x-rx, y+ry);
-  }
-  g.closePath();
-}
-
-module.exports = {
-  draw: util.drawAll(path),
-  pick: util.pickPath(path)
-};
-},{"./util":69}],68:[function(require,module,exports){
-var Bounds = require('../../../util/Bounds'),
-    textBounds = require('../../../util/bound').text,
-    text = require('../../../util/text'),
-    util = require('./util'),
-    tempBounds = new Bounds();
-
-function draw(g, scene, bounds) {
-  if (!scene.items || !scene.items.length) return;
-
-  var items = scene.items,
-      o, opac, x, y, r, t, str;
-
-  for (var i=0, len=items.length; i<len; ++i) {
-    o = items[i];
-    if (bounds && !bounds.intersects(o.bounds))
-      continue; // bounds check
-
-    str = text.value(o.text);
-    if (!str) continue;
-    opac = o.opacity == null ? 1 : o.opacity;
-    if (opac === 0) continue;
-
-    g.font = text.font(o);
-    g.textAlign = o.align || 'left';
-
-    x = (o.x || 0);
-    y = (o.y || 0);
-    if ((r = o.radius)) {
-      t = (o.theta || 0) - Math.PI/2;
-      x += r * Math.cos(t);
-      y += r * Math.sin(t);
-    }
-
-    if (o.angle) {
-      g.save();
-      g.translate(x, y);
-      g.rotate(o.angle * Math.PI/180);
-      x = y = 0; // reset x, y
-    }
-    x += (o.dx || 0);
-    y += (o.dy || 0) + text.offset(o);
-
-    if (o.fill && util.fill(g, o, opac)) {
-      g.fillText(str, x, y);
-    }
-    if (o.stroke && util.stroke(g, o, opac)) {
-      g.strokeText(str, x, y);
-    }
-    if (o.angle) g.restore();
-  }
-}
-
-function hit(g, o, x, y, gx, gy) {
-  if (o.fontSize <= 0) return false;
-  if (!o.angle) return true; // bounds sufficient if no rotation
-
-  // project point into space of unrotated bounds
-  var b = textBounds(o, tempBounds, true),
-      a = -o.angle * Math.PI / 180,
-      cos = Math.cos(a),
-      sin = Math.sin(a),
-      ox = o.x,
-      oy = o.y,
-      px = cos*gx - sin*gy + (ox - ox*cos + oy*sin),
-      py = sin*gx + cos*gy + (oy - ox*sin - oy*cos);
-
-  return b.contains(px, py);
-}
-
-module.exports = {
-  draw: draw,
-  pick: util.pick(hit)
-};
-
-},{"../../../util/Bounds":76,"../../../util/bound":81,"../../../util/text":86,"./util":69}],69:[function(require,module,exports){
-function drawPathOne(path, g, o, items) {
-  if (path(g, items)) return;
-
-  var opac = o.opacity == null ? 1 : o.opacity;
-  if (opac===0) return;
-
-  if (o.fill && fill(g, o, opac)) { g.fill(); }
-  if (o.stroke && stroke(g, o, opac)) { g.stroke(); }
-}
-
-function drawPathAll(path, g, scene, bounds) {
-  var i, len, item;
-  for (i=0, len=scene.items.length; i<len; ++i) {
-    item = scene.items[i];
-    if (!bounds || bounds.intersects(item.bounds)) {
-      drawPathOne(path, g, item, item);
-    }
-  }
-}
-
-function drawAll(pathFunc) {
-  return function(g, scene, bounds) {
-    drawPathAll(pathFunc, g, scene, bounds);
-  };
-}
-
-function drawOne(pathFunc) {
-  return function(g, scene, bounds) {
-    if (!scene.items.length) return;
-    if (!bounds || bounds.intersects(scene.bounds)) {
-      drawPathOne(pathFunc, g, scene.items[0], scene.items);
-    }
-  };
-}
-
-var trueFunc = function() { return true; };
-
-function pick(test) {
-  if (!test) test = trueFunc;
-
-  return function(g, scene, x, y, gx, gy) {
-    if (!scene.items.length) return null;
-
-    var o, b, i;
-
-    if (g.pixelratio != null && g.pixelratio !== 1) {
-      x *= g.pixelratio;
-      y *= g.pixelratio;
-    }
-
-    for (i=scene.items.length; --i >= 0;) {
-      o = scene.items[i]; b = o.bounds;
-      // first hit test against bounding box
-      if ((b && !b.contains(gx, gy)) || !b) continue;
-      // if in bounding box, perform more careful test
-      if (test(g, o, x, y, gx, gy)) return o;
-    }
-    return null;
-  };
-}
-
-function testPath(path, filled) {
-  return function(g, o, x, y) {
-    var item = Array.isArray(o) ? o[0] : o,
-        fill = (filled == null) ? item.fill : filled,
-        stroke = item.stroke && g.isPointInStroke, lw, lc;
-
-    if (stroke) {
-      lw = item.strokeWidth;
-      lc = item.strokeCap;
-      g.lineWidth = lw != null ? lw : 1;
-      g.lineCap   = lc != null ? lc : 'butt';
-    }
-
-    return path(g, o) ? false :
-      (fill && g.isPointInPath(x, y)) ||
-      (stroke && g.isPointInStroke(x, y));
-  };
-}
-
-function pickPath(path) {
-  return pick(testPath(path));
-}
-
-function fill(g, o, opacity) {
-  opacity *= (o.fillOpacity==null ? 1 : o.fillOpacity);
-  if (opacity > 0) {
-    g.globalAlpha = opacity;
-    g.fillStyle = color(g, o, o.fill);
-    return true;
-  } else {
-    return false;
-  }
-}
-
-function stroke(g, o, opacity) {
-  var lw = (lw = o.strokeWidth) != null ? lw : 1, lc;
-  if (lw <= 0) return false;
-
-  opacity *= (o.strokeOpacity==null ? 1 : o.strokeOpacity);
-  if (opacity > 0) {
-    g.globalAlpha = opacity;
-    g.strokeStyle = color(g, o, o.stroke);
-    g.lineWidth = lw;
-    g.lineCap = (lc = o.strokeCap) != null ? lc : 'butt';
-    g.vgLineDash(o.strokeDash || null);
-    g.vgLineDashOffset(o.strokeDashOffset || 0);
-    return true;
-  } else {
-    return false;
-  }
-}
-
-function color(g, o, value) {
-  return (value.id) ?
-    gradient(g, value, o.bounds) :
-    value;
-}
-
-function gradient(g, p, b) {
-  var w = b.width(),
-      h = b.height(),
-      x1 = b.x1 + p.x1 * w,
-      y1 = b.y1 + p.y1 * h,
-      x2 = b.x1 + p.x2 * w,
-      y2 = b.y1 + p.y2 * h,
-      grad = g.createLinearGradient(x1, y1, x2, y2),
-      stop = p.stops,
-      i, n;
-
-  for (i=0, n=stop.length; i<n; ++i) {
-    grad.addColorStop(stop[i].offset, stop[i].color);
-  }
-  return grad;
-}
-
-module.exports = {
-  drawOne:  drawOne,
-  drawAll:  drawAll,
-  pick:     pick,
-  pickPath: pickPath,
-  testPath: testPath,
-  stroke:   stroke,
-  fill:     fill,
-  color:    color,
-  gradient: gradient
-};
-
-},{}],70:[function(require,module,exports){
-module.exports = {
-  'canvas': require('./canvas'),
-  'svg':    require('./svg')
-};
-
-},{"./canvas":57,"./svg":74}],71:[function(require,module,exports){
-var DOM = require('../../util/dom'),
-    Handler = require('../Handler');
-
-function SVGHandler() {
-  Handler.call(this);
-}
-
-var base = Handler.prototype;
-var prototype = (SVGHandler.prototype = Object.create(base));
-prototype.constructor = SVGHandler;
-
-prototype.initialize = function(el, pad, obj) {
-  this._svg = DOM.find(el, 'svg');
-  return base.initialize.call(this, el, pad, obj);
-};
-
-prototype.svg = function() {
-  return this._svg;
-};
-
-// wrap an event listener for the SVG DOM
-prototype.listener = function(handler) {
-  var that = this;
-  return function(evt) {
-    var target = evt.target,
-        item = target.__data__;
-    evt.vegaType = evt.type;
-    item = Array.isArray(item) ? item[0] : item;
-    handler.call(that._obj, evt, item);
-  };
-};
-
-// add an event handler
-prototype.on = function(type, handler) {
-  var name = this.eventName(type),
-      svg = this._svg,
-      h = this._handlers,
-      x = {
-        type:     type,
-        handler:  handler,
-        listener: this.listener(handler)
-      };
-
-  (h[name] || (h[name] = [])).push(x);
-  svg.addEventListener(name, x.listener);
-  return this;
-};
-
-// remove an event handler
-prototype.off = function(type, handler) {
-  var name = this.eventName(type),
-      svg = this._svg,
-      h = this._handlers[name], i;
-  if (!h) return;
-  for (i=h.length; --i>=0;) {
-    if (h[i].type === type && !handler || h[i].handler === handler) {
-      svg.removeEventListener(name, h[i].listener);
-      h.splice(i, 1);
-    }
-  }
-  return this;
-};
-
-module.exports = SVGHandler;
-
-},{"../../util/dom":83,"../Handler":53}],72:[function(require,module,exports){
-var ImageLoader = require('../../util/ImageLoader'),
-    Renderer = require('../Renderer'),
-    text = require('../../util/text'),
-    DOM = require('../../util/dom'),
-    SVG = require('../../util/svg'),
-    ns = SVG.metadata.xmlns,
-    marks = require('./marks');
-
-function SVGRenderer(loadConfig) {
-  Renderer.call(this);
-  this._loader = new ImageLoader(loadConfig);
-  this._dirtyID = 0;
-}
-
-var base = Renderer.prototype;
-var prototype = (SVGRenderer.prototype = Object.create(base));
-prototype.constructor = SVGRenderer;
-
-prototype.initialize = function(el, width, height, padding) {
-  if (el) {
-    this._svg = DOM.child(el, 0, 'svg', ns, 'marks');
-    DOM.clear(el, 1);
-    // set the svg root group
-    this._root = DOM.child(this._svg, 0, 'g', ns);
-    DOM.clear(this._svg, 1);
-  }
-
-  // create the svg definitions cache
-  this._defs = {
-    clip_id:  1,
-    gradient: {},
-    clipping: {}
-  };
-
-  // set background color if defined
-  this.background(this._bgcolor);
-
-  return base.initialize.call(this, el, width, height, padding);
-};
-
-prototype.background = function(bgcolor) {
-  if (arguments.length && this._svg) {
-    this._svg.style.setProperty('background-color', bgcolor);
-  }
-  return base.background.apply(this, arguments);
-};
-
-prototype.resize = function(width, height, padding) {
-  base.resize.call(this, width, height, padding);
-  
-  if (this._svg) {
-    var w = this._width,
-        h = this._height,
-        p = this._padding;
-  
-    this._svg.setAttribute('width', w + p.left + p.right);
-    this._svg.setAttribute('height', h + p.top + p.bottom);
-    
-    this._root.setAttribute('transform', 'translate('+p.left+','+p.top+')');
-  }
-
-  return this;
-};
-
-prototype.svg = function() {
-  if (!this._svg) return null;
-
-  var attr = {
-    'class':  'marks',
-    'width':  this._width + this._padding.left + this._padding.right,
-    'height': this._height + this._padding.top + this._padding.bottom,
-  };
-  for (var key in SVG.metadata) {
-    attr[key] = SVG.metadata[key];
-  }
-
-  return DOM.openTag('svg', attr) + this._svg.innerHTML + DOM.closeTag('svg');
-};
-
-prototype.imageURL = function(url) {
-  return this._loader.imageURL(url);
-};
-
-
-// -- Render entry point --
-
-prototype.render = function(scene, items) {
-  if (this._dirtyCheck(items)) {
-    if (this._dirtyAll) this._resetDefs();
-    this.draw(this._root, scene, -1);
-    DOM.clear(this._root, 1);
-  }
-  this.updateDefs();
-  return this;
-};
-
-prototype.draw = function(el, scene, index) {
-  this.drawMark(el, scene, index, marks[scene.marktype]);
-};
-
-
-// -- Manage SVG definitions ('defs') block --
-
-prototype.updateDefs = function() {
-  var svg = this._svg,
-      defs = this._defs,
-      el = defs.el,
-      index = 0, id;
-
-  for (id in defs.gradient) {
-    if (!el) el = (defs.el = DOM.child(svg, 0, 'defs', ns));
-    updateGradient(el, defs.gradient[id], index++);
-  }
-
-  for (id in defs.clipping) {
-    if (!el) el = (defs.el = DOM.child(svg, 0, 'defs', ns));
-    updateClipping(el, defs.clipping[id], index++);
-  }
-
-  // clean-up
-  if (el) {
-    if (index === 0) {
-      svg.removeChild(el);
-      defs.el = null;
-    } else {
-      DOM.clear(el, index);      
-    }
-  }
-};
-
-function updateGradient(el, grad, index) {
-  var i, n, stop;
-
-  el = DOM.child(el, index, 'linearGradient', ns);
-  el.setAttribute('id', grad.id);
-  el.setAttribute('x1', grad.x1);
-  el.setAttribute('x2', grad.x2);
-  el.setAttribute('y1', grad.y1);
-  el.setAttribute('y2', grad.y2);
-  
-  for (i=0, n=grad.stops.length; i<n; ++i) {
-    stop = DOM.child(el, i, 'stop', ns);
-    stop.setAttribute('offset', grad.stops[i].offset);
-    stop.setAttribute('stop-color', grad.stops[i].color);
-  }
-  DOM.clear(el, i);
-}
-
-function updateClipping(el, clip, index) {
-  var rect;
-
-  el = DOM.child(el, index, 'clipPath', ns);
-  el.setAttribute('id', clip.id);
-  rect = DOM.child(el, 0, 'rect', ns);
-  rect.setAttribute('x', 0);
-  rect.setAttribute('y', 0);
-  rect.setAttribute('width', clip.width);
-  rect.setAttribute('height', clip.height);
-}
-
-prototype._resetDefs = function() {
-  var def = this._defs;
-  def.clip_id = 1;
-  def.gradient = {};
-  def.clipping = {};
-};
-
-
-// -- Manage rendering of items marked as dirty --
-
-prototype.isDirty = function(item) {
-  return this._dirtyAll || item.dirty === this._dirtyID;
-};
-
-prototype._dirtyCheck = function(items) {
-  this._dirtyAll = true;
-  if (!items) return true;
-
-  var id = ++this._dirtyID,
-      item, mark, type, mdef, i, n, o;
-
-  for (i=0, n=items.length; i<n; ++i) {
-    item = items[i];
-    mark = item.mark;
-    if (mark.marktype !== type) {
-      // memoize mark instance lookup
-      type = mark.marktype;
-      mdef = marks[type];
-    }
-
-    if (item.status === 'exit') { // EXIT
-      if (item._svg) {
-        if (mdef.nest && item.mark.items.length) {
-          // if nested mark with remaining points, update instead
-          this._update(mdef, item._svg, item.mark.items[0]);
-          o = item.mark.items[0];
-          o._svg = item._svg;
-          o._update = id;
-        } else {
-          // otherwise remove from DOM
-          DOM.remove(item._svg);
-        }
-        item._svg = null;
-      }
-      continue;
-    }
-
-    item = (mdef.nest ? mark.items[0] : item);
-    if (item._update === id) { // Already processed
-      continue;
-    } else if (item._svg) { // UPDATE
-      this._update(mdef, item._svg, item);
-    } else { // ENTER
-      this._dirtyAll = false;
-      dirtyParents(item, id);
-    }
-    item._update = id;
-  }
-  return !this._dirtyAll;
-};
-
-function dirtyParents(item, id) {
-  for (; item && item.dirty !== id; item=item.mark.group) {
-    item.dirty = id;
-    if (item.mark && item.mark.dirty !== id) {
-      item.mark.dirty = id;
-    } else return;
-  }
-}
-
-
-// -- Construct & maintain scenegraph to SVG mapping ---
-
-// Draw a mark container.
-prototype.drawMark = function(el, scene, index, mdef) {
-  if (!this.isDirty(scene)) return;
-
-  var items = mdef.nest ?
-        (scene.items && scene.items.length ? [scene.items[0]] : []) :
-        scene.items || [],
-      events = scene.interactive === false ? 'none' : null,
-      isGroup = (mdef.tag === 'g'),
-      className = DOM.cssClass(scene),
-      p, i, n, c, d, insert;
-
-  p = DOM.child(el, index+1, 'g', ns, className);
-  p.setAttribute('class', className);
-  scene._svg = p;
-  if (!isGroup && events) {
-    p.style.setProperty('pointer-events', events);
-  }
-
-  for (i=0, n=items.length; i<n; ++i) {
-    if (this.isDirty(d = items[i])) {
-      insert = !(this._dirtyAll || d._svg);
-      c = bind(p, mdef, d, i, insert);
-      this._update(mdef, c, d);
-      if (isGroup) {
-        if (insert) this._dirtyAll = true;
-        this._recurse(c, d);
-        if (insert) this._dirtyAll = false;
-      }
-    }
-  }
-  DOM.clear(p, i);
-  return p;
-};
-
-// Recursively process group contents.
-prototype._recurse = function(el, group) {
-  var items = group.items || [],
-      legends = group.legendItems || [],
-      axes = group.axisItems || [],
-      idx = 0, j, m;
-
-  for (j=0, m=axes.length; j<m; ++j) {
-    if (axes[j].layer === 'back') {
-      this.drawMark(el, axes[j], idx++, marks.group);
-    }
-  }
-  for (j=0, m=items.length; j<m; ++j) {
-    this.draw(el, items[j], idx++);
-  }
-  for (j=0, m=axes.length; j<m; ++j) {
-    if (axes[j].layer !== 'back') {
-      this.drawMark(el, axes[j], idx++, marks.group);
-    }
-  }
-  for (j=0, m=legends.length; j<m; ++j) {
-    this.drawMark(el, legends[j], idx++, marks.group);
-  }
-
-  // remove any extraneous DOM elements
-  DOM.clear(el, 1 + idx);
-};
-
-// Bind a scenegraph item to an SVG DOM element.
-// Create new SVG elements as needed.
-function bind(el, mdef, item, index, insert) {
-  // create svg element, bind item data for D3 compatibility
-  var node = DOM.child(el, index, mdef.tag, ns, null, insert);
-  node.__data__ = item;
-  node.__values__ = {fill: 'default'};
-
-  // create background rect
-  if (mdef.tag === 'g') {
-    var bg = DOM.child(node, 0, 'rect', ns, 'background');
-    bg.__data__ = item;
-  }
-
-  // add pointer from scenegraph item to svg element
-  return (item._svg = node);
-}
-
-
-// -- Set attributes & styles on SVG elements ---
-
-var element = null, // temp var for current SVG element
-    values = null;  // temp var for current values hash
-
-// Extra configuration for certain mark types
-var mark_extras = {
-  group: function(mdef, el, item) {
-    element = el.childNodes[0];
-    values = el.__values__; // use parent's values hash
-    mdef.background(emit, item, this);
-
-    var value = item.mark.interactive === false ? 'none' : null;
-    if (value !== values.events) {
-      element.style.setProperty('pointer-events', value);
-      values.events = value;
-    }
-  },
-  text: function(mdef, el, item) {
-    var str = text.value(item.text);
-    if (str !== values.text) {
-      el.textContent = str;
-      values.text = str;
-    }
-    str = text.font(item);
-    if (str !== values.font) {
-      el.style.setProperty('font', str);
-      values.font = str;
-    }
-  }
-};
-
-prototype._update = function(mdef, el, item) {
-  // set dom element and values cache
-  // provides access to emit method
-  element = el;
-  values = el.__values__;
-
-  // apply svg attributes
-  mdef.attr(emit, item, this);
-
-  // some marks need special treatment
-  var extra = mark_extras[mdef.type];
-  if (extra) extra(mdef, el, item);
-
-  // apply svg css styles
-  // note: element may be modified by 'extra' method
-  this.style(element, item);
-};
-
-function emit(name, value, ns) {
-  // early exit if value is unchanged
-  if (value === values[name]) return;
-
-  if (value != null) {
-    // if value is provided, update DOM attribute
-    if (ns) {
-      element.setAttributeNS(ns, name, value);
-    } else {
-      element.setAttribute(name, value);
-    }
-  } else {
-    // else remove DOM attribute
-    if (ns) {
-      element.removeAttributeNS(ns, name);
-    } else {
-      element.removeAttribute(name);
-    }
-  }
-
-  // note current value for future comparison
-  values[name] = value;
-}
-
-prototype.style = function(el, o) {
-  if (o == null) return;
-  var i, n, prop, name, value;
-
-  for (i=0, n=SVG.styleProperties.length; i<n; ++i) {
-    prop = SVG.styleProperties[i];
-    value = o[prop];
-    if (value === values[prop]) continue;
-
-    name = SVG.styles[prop];
-    if (value == null) {
-      if (name === 'fill') {
-        el.style.setProperty(name, 'none');
-      } else {
-        el.style.removeProperty(name);
-      }
-    } else {
-      if (value.id) {
-        // ensure definition is included
-        this._defs.gradient[value.id] = value;
-        value = 'url(' + href() + '#' + value.id + ')';
-      }
-      el.style.setProperty(name, value+'');
-    }
-
-    values[prop] = value;
-  }
-};
-
-function href() {
-  return typeof window !== 'undefined' ? window.location.href : '';
-}
-
-module.exports = SVGRenderer;
-
-},{"../../util/ImageLoader":79,"../../util/dom":83,"../../util/svg":85,"../../util/text":86,"../Renderer":54,"./marks":75}],73:[function(require,module,exports){
-var Renderer = require('../Renderer'),
-    ImageLoader = require('../../util/ImageLoader'),
-    SVG = require('../../util/svg'),
-    text = require('../../util/text'),
-    DOM = require('../../util/dom'),
-    openTag = DOM.openTag,
-    closeTag = DOM.closeTag,
-    MARKS = require('./marks');
-
-function SVGStringRenderer(loadConfig) {
-  Renderer.call(this);
-
-  this._loader = new ImageLoader(loadConfig);
-
-  this._text = {
-    head: '',
-    root: '',
-    foot: '',
-    defs: '',
-    body: ''
-  };
-
-  this._defs = {
-    clip_id:  1,
-    gradient: {},
-    clipping: {}
-  };
-}
-
-var base = Renderer.prototype;
-var prototype = (SVGStringRenderer.prototype = Object.create(base));
-prototype.constructor = SVGStringRenderer;
-
-prototype.resize = function(width, height, padding) {
-  base.resize.call(this, width, height, padding);
-  var p = this._padding,
-      t = this._text;
-
-  var attr = {
-    'class':  'marks',
-    'width':  this._width + p.left + p.right,
-    'height': this._height + p.top + p.bottom,
-  };
-  for (var key in SVG.metadata) {
-    attr[key] = SVG.metadata[key];
-  }
-
-  t.head = openTag('svg', attr);
-  t.root = openTag('g', {
-    transform: 'translate(' + p.left + ',' + p.top + ')'
-  });
-  t.foot = closeTag('g') + closeTag('svg');
-
-  return this;
-};
-
-prototype.svg = function() {
-  var t = this._text;
-  return t.head + t.defs + t.root + t.body + t.foot;
-};
-
-prototype.render = function(scene) {
-  this._text.body = this.mark(scene);
-  this._text.defs = this.buildDefs();
-  return this;
-};
-
-prototype.reset = function() {
-  this._defs.clip_id = 0;
-  return this;
-};
-
-prototype.buildDefs = function() {
-  var all = this._defs,
-      defs = '',
-      i, id, def, stops;
-
-  for (id in all.gradient) {
-    def = all.gradient[id];
-    stops = def.stops;
-
-    defs += openTag('linearGradient', {
-      id: id,
-      x1: def.x1,
-      x2: def.x2,
-      y1: def.y1,
-      y2: def.y2
-    });
-    
-    for (i=0; i<stops.length; ++i) {
-      defs += openTag('stop', {
-        offset: stops[i].offset,
-        'stop-color': stops[i].color
-      }) + closeTag('stop');
-    }
-    
-    defs += closeTag('linearGradient');
-  }
-  
-  for (id in all.clipping) {
-    def = all.clipping[id];
-
-    defs += openTag('clipPath', {id: id});
-
-    defs += openTag('rect', {
-      x: 0,
-      y: 0,
-      width: def.width,
-      height: def.height
-    }) + closeTag('rect');
-
-    defs += closeTag('clipPath');
-  }
-  
-  return (defs.length > 0) ? openTag('defs') + defs + closeTag('defs') : '';
-};
-
-prototype.imageURL = function(url) {
-  return this._loader.imageURL(url);
-};
-
-var object;
-
-function emit(name, value, ns, prefixed) {
-  object[prefixed || name] = value;
-}
-
-prototype.attributes = function(attr, item) {
-  object = {};
-  attr(emit, item, this);
-  return object;
-};
-
-prototype.mark = function(scene) {
-  var mdef = MARKS[scene.marktype],
-      tag  = mdef.tag,
-      attr = mdef.attr,
-      nest = mdef.nest || false,
-      data = nest ?
-          (scene.items && scene.items.length ? [scene.items[0]] : []) :
-          (scene.items || []),
-      defs = this._defs,
-      str = '',
-      style, i, item;
-
-  if (tag !== 'g' && scene.interactive === false) {
-    style = 'style="pointer-events: none;"';
-  }
-
-  // render opening group tag
-  str += openTag('g', {
-    'class': DOM.cssClass(scene)
-  }, style);
-
-  // render contained elements
-  for (i=0; i<data.length; ++i) {
-    item = data[i];
-    style = (tag !== 'g') ? styles(item, scene, tag, defs) : null;
-    str += openTag(tag, this.attributes(attr, item), style);
-    if (tag === 'text') {
-      str += escape_text(text.value(item.text));
-    } else if (tag === 'g') {
-      str += openTag('rect',
-        this.attributes(mdef.background, item),
-        styles(item, scene, 'bgrect', defs)) + closeTag('rect');
-      str += this.markGroup(item);
-    }
-    str += closeTag(tag);
-  }
-
-  // render closing group tag
-  return str + closeTag('g');
-};
-
-prototype.markGroup = function(scene) {
-  var str = '',
-      axes = scene.axisItems || [],
-      items = scene.items || [],
-      legends = scene.legendItems || [],
-      j, m;
-
-  for (j=0, m=axes.length; j<m; ++j) {
-    if (axes[j].layer === 'back') {
-      str += this.mark(axes[j]);
-    }
-  }
-  for (j=0, m=items.length; j<m; ++j) {
-    str += this.mark(items[j]);
-  }
-  for (j=0, m=axes.length; j<m; ++j) {
-    if (axes[j].layer !== 'back') {
-      str += this.mark(axes[j]);
-    }
-  }
-  for (j=0, m=legends.length; j<m; ++j) {
-    str += this.mark(legends[j]);
-  }
-
-  return str;
-};
-
-function styles(o, mark, tag, defs) {
-  if (o == null) return '';
-  var i, n, prop, name, value, s = '';
-
-  if (tag === 'bgrect' && mark.interactive === false) {
-    s += 'pointer-events: none;';
-  }
-
-  if (tag === 'text') {
-    s += 'font: ' + text.font(o) + ';';
-  }
-
-  for (i=0, n=SVG.styleProperties.length; i<n; ++i) {
-    prop = SVG.styleProperties[i];
-    name = SVG.styles[prop];
-    value = o[prop];
-
-    if (value == null) {
-      if (name === 'fill') {
-        s += (s.length ? ' ' : '') + 'fill: none;';
-      }
-    } else {
-      if (value.id) {
-        // ensure definition is included
-        defs.gradient[value.id] = value;
-        value = 'url(#' + value.id + ')';
-      }
-      s += (s.length ? ' ' : '') + name + ': ' + value + ';';
-    }
-  }
-
-  return s ? 'style="' + s + '"' : null;
-}
-
-function escape_text(s) {
-  return s.replace(/&/g, '&amp;')
-          .replace(/</g, '&lt;')
-          .replace(/>/g, '&gt;');
-}
-
-module.exports = SVGStringRenderer;
-
-},{"../../util/ImageLoader":79,"../../util/dom":83,"../../util/svg":85,"../../util/text":86,"../Renderer":54,"./marks":75}],74:[function(require,module,exports){
-module.exports = {
-  Handler:  require('./SVGHandler'),
-  Renderer: require('./SVGRenderer'),
-  string: {
-    Renderer : require('./SVGStringRenderer')
-  }
-};
-},{"./SVGHandler":71,"./SVGRenderer":72,"./SVGStringRenderer":73}],75:[function(require,module,exports){
-var text = require('../../util/text'),
-    SVG = require('../../util/svg'),
-    textAlign = SVG.textAlign,
-    path = SVG.path;
-
-function translateItem(o) {
-  return translate(o.x || 0, o.y || 0);
-}
-
-function translate(x, y) {
-  return 'translate(' + x + ',' + y + ')';
-}
-
-module.exports = {
-  arc: {
-    tag:  'path',
-    type: 'arc',
-    attr: function(emit, o) {
-      emit('transform', translateItem(o));
-      emit('d', path.arc(o));
-    }
-  },
-  area: {
-    tag:  'path',
-    type: 'area',
-    nest: true,
-    attr: function(emit, o) {
-      var items = o.mark.items;
-      if (items.length) emit('d', path.area(items));
-    }
-  },
-  group: {
-    tag:  'g',
-    type: 'group',
-    attr: function(emit, o, renderer) {
-      var id = null, defs, c;
-      emit('transform', translateItem(o));
-      if (o.clip) {
-        defs = renderer._defs;
-        id = o.clip_id || (o.clip_id = 'clip' + defs.clip_id++);
-        c = defs.clipping[id] || (defs.clipping[id] = {id: id});
-        c.width = o.width || 0;
-        c.height = o.height || 0;
-      }
-      emit('clip-path', id ? ('url(#' + id + ')') : null);
-    },
-    background: function(emit, o) {
-      emit('class', 'background');
-      emit('width', o.width || 0);
-      emit('height', o.height || 0);
-    }
-  },
-  image: {
-    tag:  'image',
-    type: 'image',
-    attr: function(emit, o, renderer) {
-      var x = o.x || 0,
-          y = o.y || 0,
-          w = o.width || 0,
-          h = o.height || 0,
-          url = renderer.imageURL(o.url);
-
-      x = x - (o.align === 'center' ? w/2 : o.align === 'right' ? w : 0);
-      y = y - (o.baseline === 'middle' ? h/2 : o.baseline === 'bottom' ? h : 0);
-
-      emit('href', url, 'http://www.w3.org/1999/xlink', 'xlink:href');
-      emit('transform', translate(x, y));
-      emit('width', w);
-      emit('height', h);
-    }
-  },
-  line: {
-    tag:  'path',
-    type: 'line',
-    nest: true,
-    attr: function(emit, o) {
-      var items = o.mark.items;
-      if (items.length) emit('d', path.line(items));
-    }
-  },
-  path: {
-    tag:  'path',
-    type: 'path',
-    attr: function(emit, o) {
-      emit('transform', translateItem(o));
-      emit('d', o.path);
-    }
-  },
-  rect: {
-    tag:  'rect',
-    type: 'rect',
-    nest: false,
-    attr: function(emit, o) {
-      emit('transform', translateItem(o));
-      emit('width', o.width || 0);
-      emit('height', o.height || 0);
-    }
-  },
-  rule: {
-    tag:  'line',
-    type: 'rule',
-    attr: function(emit, o) {
-      emit('transform', translateItem(o));
-      emit('x2', o.x2 != null ? o.x2 - (o.x||0) : 0);
-      emit('y2', o.y2 != null ? o.y2 - (o.y||0) : 0);
-    }
-  },
-  symbol: {
-    tag:  'path',
-    type: 'symbol',
-    attr: function(emit, o) {
-      emit('transform', translateItem(o));
-      emit('d', path.symbol(o));
-    }
-  },
-  text: {
-    tag:  'text',
-    type: 'text',
-    nest: false,
-    attr: function(emit, o) {
-      var dx = (o.dx || 0),
-          dy = (o.dy || 0) + text.offset(o),
-          x = (o.x || 0),
-          y = (o.y || 0),
-          a = o.angle || 0,
-          r = o.radius || 0, t;
-
-      if (r) {
-        t = (o.theta || 0) - Math.PI/2;
-        x += r * Math.cos(t);
-        y += r * Math.sin(t);
-      }
-
-      emit('text-anchor', textAlign[o.align] || 'start');
-      
-      if (a) {
-        t = translate(x, y) + ' rotate('+a+')';
-        if (dx || dy) t += ' ' + translate(dx, dy);
-      } else {
-        t = translate(x+dx, y+dy);
-      }
-      emit('transform', t);
-    }
-  }
-};
-
-},{"../../util/svg":85,"../../util/text":86}],76:[function(require,module,exports){
-function Bounds(b) {
-  this.clear();
-  if (b) this.union(b);
-}
-
-var prototype = Bounds.prototype;
-
-prototype.clone = function() {
-  return new Bounds(this);
-};
-
-prototype.clear = function() {
-  this.x1 = +Number.MAX_VALUE;
-  this.y1 = +Number.MAX_VALUE;
-  this.x2 = -Number.MAX_VALUE;
-  this.y2 = -Number.MAX_VALUE;
-  return this;
-};
-
-prototype.set = function(x1, y1, x2, y2) {
-  this.x1 = x1;
-  this.y1 = y1;
-  this.x2 = x2;
-  this.y2 = y2;
-  return this;
-};
-
-prototype.add = function(x, y) {
-  if (x < this.x1) this.x1 = x;
-  if (y < this.y1) this.y1 = y;
-  if (x > this.x2) this.x2 = x;
-  if (y > this.y2) this.y2 = y;
-  return this;
-};
-
-prototype.expand = function(d) {
-  this.x1 -= d;
-  this.y1 -= d;
-  this.x2 += d;
-  this.y2 += d;
-  return this;
-};
-
-prototype.round = function() {
-  this.x1 = Math.floor(this.x1);
-  this.y1 = Math.floor(this.y1);
-  this.x2 = Math.ceil(this.x2);
-  this.y2 = Math.ceil(this.y2);
-  return this;
-};
-
-prototype.translate = function(dx, dy) {
-  this.x1 += dx;
-  this.x2 += dx;
-  this.y1 += dy;
-  this.y2 += dy;
-  return this;
-};
-
-prototype.rotate = function(angle, x, y) {
-  var cos = Math.cos(angle),
-      sin = Math.sin(angle),
-      cx = x - x*cos + y*sin,
-      cy = y - x*sin - y*cos,
-      x1 = this.x1, x2 = this.x2,
-      y1 = this.y1, y2 = this.y2;
-
-  return this.clear()
-    .add(cos*x1 - sin*y1 + cx,  sin*x1 + cos*y1 + cy)
-    .add(cos*x1 - sin*y2 + cx,  sin*x1 + cos*y2 + cy)
-    .add(cos*x2 - sin*y1 + cx,  sin*x2 + cos*y1 + cy)
-    .add(cos*x2 - sin*y2 + cx,  sin*x2 + cos*y2 + cy);
-};
-
-prototype.union = function(b) {
-  if (b.x1 < this.x1) this.x1 = b.x1;
-  if (b.y1 < this.y1) this.y1 = b.y1;
-  if (b.x2 > this.x2) this.x2 = b.x2;
-  if (b.y2 > this.y2) this.y2 = b.y2;
-  return this;
-};
-
-prototype.encloses = function(b) {
-  return b && (
-    this.x1 <= b.x1 &&
-    this.x2 >= b.x2 &&
-    this.y1 <= b.y1 &&
-    this.y2 >= b.y2
-  );
-};
-
-prototype.intersects = function(b) {
-  return b && !(
-    this.x2 < b.x1 ||
-    this.x1 > b.x2 ||
-    this.y2 < b.y1 ||
-    this.y1 > b.y2
-  );
-};
-
-prototype.contains = function(x, y) {
-  return !(
-    x < this.x1 ||
-    x > this.x2 ||
-    y < this.y1 ||
-    y > this.y2
-  );
-};
-
-prototype.width = function() {
-  return this.x2 - this.x1;
-};
-
-prototype.height = function() {
-  return this.y2 - this.y1;
-};
-
-module.exports = Bounds;
-
-},{}],77:[function(require,module,exports){
-module.exports = function(b) {
-  function noop() { }
-  function add(x,y) { b.add(x, y); }
-
-  return {
-    bounds: function(_) {
-      if (!arguments.length) return b;
-      return (b = _, this);
-    },
-    beginPath: noop,
-    closePath: noop,
-    moveTo: add,
-    lineTo: add,
-    quadraticCurveTo: function(x1, y1, x2, y2) {
-      b.add(x1, y1);
-      b.add(x2, y2);
-    },
-    bezierCurveTo: function(x1, y1, x2, y2, x3, y3) {
-      b.add(x1, y1);
-      b.add(x2, y2);
-      b.add(x3, y3);
-    }
-  };
-};
-
-},{}],78:[function(require,module,exports){
-var gradient_id = 0;
-
-function Gradient(type) {
-  this.id = 'gradient_' + (gradient_id++);
-  this.type = type || 'linear';
-  this.stops = [];
-  this.x1 = 0;
-  this.x2 = 1;
-  this.y1 = 0;
-  this.y2 = 0;
-}
-
-var prototype = Gradient.prototype;
-
-prototype.stop = function(offset, color) {
-  this.stops.push({
-    offset: offset,
-    color: color
-  });
-  return this;
-};
-
-module.exports = Gradient;
-},{}],79:[function(require,module,exports){
-(function (global){
-var load = require('datalib/src/import/load');
-
-function ImageLoader(loadConfig) {
-  this._pending = 0;
-  this._config = loadConfig || ImageLoader.Config; 
-}
-
-// Overridable global default load configuration
-ImageLoader.Config = null;
-
-var prototype = ImageLoader.prototype;
-
-prototype.pending = function() {
-  return this._pending;
-};
-
-prototype.params = function(uri) {
-  var p = {url: uri}, k;
-  for (k in this._config) { p[k] = this._config[k]; }
-  return p;
-};
-
-prototype.imageURL = function(uri) {
-  return load.sanitizeUrl(this.params(uri));
-};
-
-function browser(uri, callback) {
-  var url = load.sanitizeUrl(this.params(uri));
-  if (!url) { // error
-    if (callback) callback(uri, null);
-    return null;
-  }
-
-  var loader = this,
-      image = new Image();
-
-  loader._pending += 1;
-
-  image.onload = function() {
-    loader._pending -= 1;
-    image.loaded = true;
-    if (callback) callback(null, image);
-  };
-  image.src = url;
-
-  return image;
-}
-
-function server(uri, callback) {
-  var loader = this,
-      image = new ((typeof window !== "undefined" ? window['canvas'] : typeof global !== "undefined" ? global['canvas'] : null).Image)();
-
-  loader._pending += 1;
-
-  load(this.params(uri), function(err, data) {
-    loader._pending -= 1;
-    if (err) {
-      if (callback) callback(err, null);
-      return null;
-    }
-    image.src = data;
-    image.loaded = true;
-    if (callback) callback(null, image);
-  });
-
-  return image;
-}
-
-prototype.loadImage = function(uri, callback) {
-  return load.useXHR ?
-    browser.call(this, uri, callback) :
-    server.call(this, uri, callback);
-};
-
-module.exports = ImageLoader;
-
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-
-},{"datalib/src/import/load":22}],80:[function(require,module,exports){
-function Item(mark) {
-  this.mark = mark;
-}
-
-var prototype = Item.prototype;
-
-prototype.hasPropertySet = function(name) {
-  var props = this.mark.def.properties;
-  return props && props[name] != null;
-};
-
-prototype.cousin = function(offset, index) {
-  if (offset === 0) return this;
-  offset = offset || -1;
-  var mark = this.mark,
-      group = mark.group,
-      iidx = index==null ? mark.items.indexOf(this) : index,
-      midx = group.items.indexOf(mark) + offset;
-  return group.items[midx].items[iidx];
-};
-
-prototype.sibling = function(offset) {
-  if (offset === 0) return this;
-  offset = offset || -1;
-  var mark = this.mark,
-      iidx = mark.items.indexOf(this) + offset;
-  return mark.items[iidx];
-};
-
-prototype.remove = function() {
-  var item = this,
-      list = item.mark.items,
-      i = list.indexOf(item);
-  if (i >= 0) {
-    if (i===list.length-1) {
-      list.pop();
-    } else {
-      list.splice(i, 1);
-    }
-  }
-  return item;
-};
-
-prototype.touch = function() {
-  if (this.pathCache) this.pathCache = null;
-};
-
-module.exports = Item;
-},{}],81:[function(require,module,exports){
-var BoundsContext = require('./BoundsContext'),
-    Bounds = require('./Bounds'),
-    canvas = require('./canvas'),
-    svg = require('./svg'),
-    text = require('./text'),
-    paths = require('../path'),
-    parse = paths.parse,
-    drawPath = paths.render,
-    areaPath = svg.path.area,
-    linePath = svg.path.line,
-    halfpi = Math.PI / 2,
-    sqrt3 = Math.sqrt(3),
-    tan30 = Math.tan(30 * Math.PI / 180),
-    g2D = null,
-    bc = BoundsContext();
-
-function context() {
-  return g2D || (g2D = canvas.instance(1,1).getContext('2d'));
-}
-
-function strokeBounds(o, bounds) {
-  if (o.stroke && o.opacity !== 0 && o.stokeOpacity !== 0) {
-    bounds.expand(o.strokeWidth != null ? o.strokeWidth : 1);
-  }
-  return bounds;
-}
-
-function pathBounds(o, path, bounds, x, y) {
-  if (path == null) {
-    bounds.set(0, 0, 0, 0);
-  } else {
-    drawPath(bc.bounds(bounds), path, x, y);
-    strokeBounds(o, bounds);
-  }
-  return bounds;
-}
-
-function path(o, bounds) {
-  var p = o.path ? o.pathCache || (o.pathCache = parse(o.path)) : null;
-  return pathBounds(o, p, bounds, o.x, o.y);
-}
-
-function area(mark, bounds) {
-  if (mark.items.length === 0) return bounds;
-  var items = mark.items,
-      item = items[0],
-      p = item.pathCache || (item.pathCache = parse(areaPath(items)));
-  return pathBounds(item, p, bounds);
-}
-
-function line(mark, bounds) {
-  if (mark.items.length === 0) return bounds;
-  var items = mark.items,
-      item = items[0],
-      p = item.pathCache || (item.pathCache = parse(linePath(items)));
-  return pathBounds(item, p, bounds);
-}
-
-function rect(o, bounds) {
-  var x, y;
-  return strokeBounds(o, bounds.set(
-    x = o.x || 0,
-    y = o.y || 0,
-    (x + o.width) || 0,
-    (y + o.height) || 0
-  ));
-}
-
-function image(o, bounds) {
-  var x = o.x || 0,
-      y = o.y || 0,
-      w = o.width || 0,
-      h = o.height || 0;
-  x = x - (o.align === 'center' ? w/2 : (o.align === 'right' ? w : 0));
-  y = y - (o.baseline === 'middle' ? h/2 : (o.baseline === 'bottom' ? h : 0));
-  return bounds.set(x, y, x+w, y+h);
-}
-
-function rule(o, bounds) {
-  var x1, y1;
-  return strokeBounds(o, bounds.set(
-    x1 = o.x || 0,
-    y1 = o.y || 0,
-    o.x2 != null ? o.x2 : x1,
-    o.y2 != null ? o.y2 : y1
-  ));
-}
-
-function arc(o, bounds) {
-  var cx = o.x || 0,
-      cy = o.y || 0,
-      ir = o.innerRadius || 0,
-      or = o.outerRadius || 0,
-      sa = (o.startAngle || 0) - halfpi,
-      ea = (o.endAngle || 0) - halfpi,
-      xmin = Infinity, xmax = -Infinity,
-      ymin = Infinity, ymax = -Infinity,
-      a, i, n, x, y, ix, iy, ox, oy;
-
-  var angles = [sa, ea],
-      s = sa - (sa % halfpi);
-  for (i=0; i<4 && s<ea; ++i, s+=halfpi) {
-    angles.push(s);
-  }
-
-  for (i=0, n=angles.length; i<n; ++i) {
-    a = angles[i];
-    x = Math.cos(a); ix = ir*x; ox = or*x;
-    y = Math.sin(a); iy = ir*y; oy = or*y;
-    xmin = Math.min(xmin, ix, ox);
-    xmax = Math.max(xmax, ix, ox);
-    ymin = Math.min(ymin, iy, oy);
-    ymax = Math.max(ymax, iy, oy);
-  }
-
-  return strokeBounds(o, bounds.set(
-    cx + xmin,
-    cy + ymin,
-    cx + xmax,
-    cy + ymax
-  ));
-}
-
-function symbol(o, bounds) {
-  var size = o.size != null ? o.size : 100,
-      x = o.x || 0,
-      y = o.y || 0,
-      r, t, rx, ry;
-
-  switch (o.shape) {
-    case 'cross':
-      t = 3 * Math.sqrt(size / 5) / 2;
-      bounds.set(x-t, y-t, x+t, y+t);
-      break;
-
-    case 'diamond':
-      ry = Math.sqrt(size / (2 * tan30));
-      rx = ry * tan30;
-      bounds.set(x-rx, y-ry, x+rx, y+ry);
-      break;
-
-    case 'square':
-      t = Math.sqrt(size);
-      r = t / 2;
-      bounds.set(x-r, y-r, x+r, y+r);
-      break;
-
-    case 'triangle-down':
-      rx = Math.sqrt(size / sqrt3);
-      ry = rx * sqrt3 / 2;
-      bounds.set(x-rx, y-ry, x+rx, y+ry);
-      break;
-
-    case 'triangle-up':
-      rx = Math.sqrt(size / sqrt3);
-      ry = rx * sqrt3 / 2;
-      bounds.set(x-rx, y-ry, x+rx, y+ry);
-      break;
-
-    default:
-      r = Math.sqrt(size/Math.PI);
-      bounds.set(x-r, y-r, x+r, y+r);
-  }
-
-  return strokeBounds(o, bounds);
-}
-
-function textMark(o, bounds, noRotate) {
-  var g = context(),
-      h = text.size(o),
-      a = o.align,
-      r = o.radius || 0,
-      x = (o.x || 0),
-      y = (o.y || 0),
-      dx = (o.dx || 0),
-      dy = (o.dy || 0) + text.offset(o) - Math.round(0.8*h), // use 4/5 offset
-      w, t;
-
-  if (r) {
-    t = (o.theta || 0) - Math.PI/2;
-    x += r * Math.cos(t);
-    y += r * Math.sin(t);
-  }
-
-  // horizontal alignment
-  g.font = text.font(o);
-  w = g.measureText(text.value(o.text)).width;
-  if (a === 'center') {
-    dx -= (w / 2);
-  } else if (a === 'right') {
-    dx -= w;
-  } else {
-    // left by default, do nothing
-  }
-
-  bounds.set(dx+=x, dy+=y, dx+w, dy+h);
-  if (o.angle && !noRotate) {
-    bounds.rotate(o.angle*Math.PI/180, x, y);
-  }
-  return bounds.expand(noRotate ? 0 : 1);
-}
-
-function group(g, bounds, includeLegends) {
-  var axes = g.axisItems || [],
-      items = g.items || [],
-      legends = g.legendItems || [],
-      j, m;
-
-  if (!g.clip) {
-    for (j=0, m=axes.length; j<m; ++j) {
-      bounds.union(axes[j].bounds);
-    }
-    for (j=0, m=items.length; j<m; ++j) {
-      bounds.union(items[j].bounds);
-    }
-    if (includeLegends) {
-      for (j=0, m=legends.length; j<m; ++j) {
-        bounds.union(legends[j].bounds);
-      }
-    }
-  }
-  if (g.clip || g.width || g.height) {
-    strokeBounds(g, bounds
-      .add(0, 0)
-      .add(g.width || 0, g.height || 0));
-  }
-  return bounds.translate(g.x || 0, g.y || 0);
-}
-
-var methods = {
-  group:  group,
-  symbol: symbol,
-  image:  image,
-  rect:   rect,
-  rule:   rule,
-  arc:    arc,
-  text:   textMark,
-  path:   path,
-  area:   area,
-  line:   line
-};
-methods.area.nest = true;
-methods.line.nest = true;
-
-function itemBounds(item, func, opt) {
-  var type = item.mark.marktype;
-  func = func || methods[type];
-  if (func.nest) item = item.mark;
-
-  var curr = item.bounds,
-      prev = item['bounds:prev'] || (item['bounds:prev'] = new Bounds());
-
-  if (curr) {
-    prev.clear().union(curr);
-    curr.clear();
-  } else {
-    item.bounds = new Bounds();
-  }
-  func(item, item.bounds, opt);
-  if (!curr) prev.clear().union(item.bounds);
-  return item.bounds;
-}
-
-var DUMMY_ITEM = {mark: null};
-
-function markBounds(mark, bounds, opt) {
-  var type  = mark.marktype,
-      func  = methods[type],
-      items = mark.items,
-      hasi  = items && items.length,
-      i, n, o, b;
-
-  if (func.nest) {
-    o = hasi ? items[0]
-      : (DUMMY_ITEM.mark = mark, DUMMY_ITEM); // no items, so fake it
-    b = itemBounds(o, func, opt);
-    bounds = bounds && bounds.union(b) || b;
-    return bounds;
-  }
-
-  bounds = bounds || mark.bounds && mark.bounds.clear() || new Bounds();
-  if (hasi) {  
-    for (i=0, n=items.length; i<n; ++i) {
-      bounds.union(itemBounds(items[i], func, opt));
-    }
-  }
-  return (mark.bounds = bounds);
-}
-
-module.exports = {
-  mark:  markBounds,
-  item:  itemBounds,
-  text:  textMark,
-  group: group
-};
-
-},{"../path":50,"./Bounds":76,"./BoundsContext":77,"./canvas":82,"./svg":85,"./text":86}],82:[function(require,module,exports){
-(function (global){
-function instance(w, h) {
-  w = w || 1;
-  h = h || 1;
-  var canvas;
-
-  if (typeof document !== 'undefined' && document.createElement) {
-    canvas = document.createElement('canvas');
-    canvas.width = w;
-    canvas.height = h;
-  } else {
-    var Canvas = (typeof window !== "undefined" ? window['canvas'] : typeof global !== "undefined" ? global['canvas'] : null);
-    if (!Canvas.prototype) return null;
-    canvas = new Canvas(w, h);
-  }
-  return lineDash(canvas);
-}
-
-function resize(canvas, w, h, p, retina) {
-  var g = this._ctx = canvas.getContext('2d'), 
-      s = 1;
-
-  canvas.width = w + p.left + p.right;
-  canvas.height = h + p.top + p.bottom;
-
-  // if browser canvas, attempt to modify for retina display
-  if (retina && typeof HTMLElement !== 'undefined' &&
-      canvas instanceof HTMLElement)
-  {
-    g.pixelratio = (s = pixelRatio(canvas) || 1);
-  }
-
-  g.setTransform(s, 0, 0, s, s*p.left, s*p.top);
-  return canvas;
-}
-
-function pixelRatio(canvas) {
-  var g = canvas.getContext('2d');
-
-  // get canvas pixel data
-  var devicePixelRatio = window && window.devicePixelRatio || 1,
-      backingStoreRatio = (
-        g.webkitBackingStorePixelRatio ||
-        g.mozBackingStorePixelRatio ||
-        g.msBackingStorePixelRatio ||
-        g.oBackingStorePixelRatio ||
-        g.backingStorePixelRatio) || 1,
-      ratio = devicePixelRatio / backingStoreRatio;
-
-  if (devicePixelRatio !== backingStoreRatio) {
-    // set actual and visible canvas size
-    var w = canvas.width,
-        h = canvas.height;
-    canvas.width = w * ratio;
-    canvas.height = h * ratio;
-    canvas.style.width = w + 'px';
-    canvas.style.height = h + 'px';
-  }
-
-  return ratio;
-}
-
-function lineDash(canvas) {
-  var g = canvas.getContext('2d');
-  if (g.vgLineDash) return; // already initialized!
-
-  var NOOP = function() {},
-      NODASH = [];
-  
-  if (g.setLineDash) {
-    g.vgLineDash = function(dash) { this.setLineDash(dash || NODASH); };
-    g.vgLineDashOffset = function(off) { this.lineDashOffset = off; };
-  } else if (g.webkitLineDash !== undefined) {
-  	g.vgLineDash = function(dash) { this.webkitLineDash = dash || NODASH; };
-    g.vgLineDashOffset = function(off) { this.webkitLineDashOffset = off; };
-  } else if (g.mozDash !== undefined) {
-    g.vgLineDash = function(dash) { this.mozDash = dash; };
-    g.vgLineDashOffset = NOOP;
-  } else {
-    g.vgLineDash = NOOP;
-    g.vgLineDashOffset = NOOP;
-  }
-  return canvas;
-}
-
-module.exports = {
-  instance:   instance,
-  resize:     resize,
-  lineDash:   lineDash
-};
-
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-
-},{}],83:[function(require,module,exports){
-// create a new DOM element
-function create(doc, tag, ns) {
-  return ns ? doc.createElementNS(ns, tag) : doc.createElement(tag);
-}
-
-// remove element from DOM
-// recursively remove parent elements if empty
-function remove(el) {
-  if (!el) return;
-  var p = el.parentNode;
-  if (p) {
-    p.removeChild(el);
-    if (!p.childNodes || !p.childNodes.length) remove(p);
-  }
-}
-
-module.exports = {
-  // find first child element with matching tag
-  find: function(el, tag) {
-    tag = tag.toLowerCase();
-    for (var i=0, n=el.childNodes.length; i<n; ++i) {
-      if (el.childNodes[i].tagName.toLowerCase() === tag) {
-        return el.childNodes[i];
-      }
-    }
-  },
-  // retrieve child element at given index
-  // create & insert if doesn't exist or if tag/className do not match
-  child: function(el, index, tag, ns, className, insert) {
-    var a, b;
-    a = b = el.childNodes[index];
-    if (!a || insert ||
-        a.tagName.toLowerCase() !== tag.toLowerCase() ||
-        className && a.getAttribute('class') != className) {
-      a = create(el.ownerDocument, tag, ns);
-      el.insertBefore(a, b);
-      if (className) a.setAttribute('class', className);
-    }
-    return a;
-  },
-  // remove all child elements at or above the given index
-  clear: function(el, index) {
-    var curr = el.childNodes.length;
-    while (curr > index) {
-      el.removeChild(el.childNodes[--curr]);
-    }
-    return el;
-  },
-  remove: remove,
-  // generate css class name for mark
-  cssClass: function(mark) {
-    return 'mark-' + mark.marktype + (mark.name ? ' '+mark.name : '');
-  },
-  // generate string for an opening xml tag
-  // tag: the name of the xml tag
-  // attr: hash of attribute name-value pairs to include
-  // raw: additional raw string to include in tag markup
-  openTag: function(tag, attr, raw) {
-    var s = '<' + tag, key, val;
-    if (attr) {
-      for (key in attr) {
-        val = attr[key];
-        if (val != null) {
-          s += ' ' + key + '="' + val + '"';
-        }
-      }
-    }
-    if (raw) s += ' ' + raw;
-    return s + '>';
-  },
-  // generate string for closing xml tag
-  // tag: the name of the xml tag
-  closeTag: function(tag) {
-    return '</' + tag + '>';
-  }
-};
-
-},{}],84:[function(require,module,exports){
-var bound = require('../util/bound');
-
-var sets = [
-  'items',
-  'axisItems',
-  'legendItems'
-];
-
-var keys = [
-  'marktype', 'name', 'interactive', 'clip',
-  'items', 'axisItems', 'legendItems', 'layer',
-  'x', 'y', 'width', 'height', 'align', 'baseline',             // layout
-  'fill', 'fillOpacity', 'opacity',                             // fill
-  'stroke', 'strokeOpacity', 'strokeWidth', 'strokeCap',        // stroke
-  'strokeDash', 'strokeDashOffset',                             // stroke dash
-  'startAngle', 'endAngle', 'innerRadius', 'outerRadius',       // arc
-  'interpolate', 'tension', 'orient',                           // area, line
-  'url',                                                        // image
-  'path',                                                       // path
-  'x2', 'y2',                                                   // rule
-  'size', 'shape',                                              // symbol
-  'text', 'angle', 'theta', 'radius', 'dx', 'dy',               // text
-  'font', 'fontSize', 'fontWeight', 'fontStyle', 'fontVariant'  // font
-];
-
-function toJSON(scene, indent) {
-  return JSON.stringify(scene, keys, indent);
-}
-
-function fromJSON(json) {
-  var scene = (typeof json === 'string' ? JSON.parse(json) : json);
-  return initialize(scene);
-}
-
-function initialize(scene) {
-  var type = scene.marktype,
-      i, n, s, m, items;
-
-  for (s=0, m=sets.length; s<m; ++s) {
-    if ((items = scene[sets[s]])) {
-      for (i=0, n=items.length; i<n; ++i) {
-        items[i][type ? 'mark' : 'group'] = scene;
-        if (!type || type === 'group') {
-          initialize(items[i]);
-        }
-      }
-    }
-  }
-
-  if (type) bound.mark(scene);
-  return scene;
-}
-
-module.exports = {
-  toJSON:   toJSON,
-  fromJSON: fromJSON
-};
-},{"../util/bound":81}],85:[function(require,module,exports){
-(function (global){
-var d3_svg = (typeof window !== "undefined" ? window['d3'] : typeof global !== "undefined" ? global['d3'] : null).svg;
-
-function x(o)     { return o.x || 0; }
-function y(o)     { return o.y || 0; }
-function xw(o)    { return (o.x || 0) + (o.width || 0); }
-function yh(o)    { return (o.y || 0) + (o.height || 0); }
-function size(o)  { return o.size == null ? 100 : o.size; }
-function shape(o) { return o.shape || 'circle'; }
-
-var areav = d3_svg.area().x(x).y1(y).y0(yh),
-    areah = d3_svg.area().y(y).x1(x).x0(xw),
-    line  = d3_svg.line().x(x).y(y);
-
-module.exports = {
-  metadata: {
-    'version': '1.1',
-    'xmlns': 'http://www.w3.org/2000/svg',
-    'xmlns:xlink': 'http://www.w3.org/1999/xlink'
-  },
-  path: {
-    arc: d3_svg.arc(),
-    symbol: d3_svg.symbol().type(shape).size(size),
-    area: function(items) {
-      var o = items[0];
-      return (o.orient === 'horizontal' ? areah : areav)
-        .interpolate(o.interpolate || 'linear')
-        .tension(o.tension || 0.7)
-        (items);
-    },
-    line: function(items) {
-      var o = items[0];
-      return line
-        .interpolate(o.interpolate || 'linear')
-        .tension(o.tension || 0.7)
-        (items);
-    }
-  },
-  textAlign: {
-    'left':   'start',
-    'center': 'middle',
-    'right':  'end'
-  },
-  textBaseline: {
-    'top':    'before-edge',
-    'bottom': 'after-edge',
-    'middle': 'central'
-  },
-  styles: {
-    'fill':             'fill',
-    'fillOpacity':      'fill-opacity',
-    'stroke':           'stroke',
-    'strokeWidth':      'stroke-width',
-    'strokeOpacity':    'stroke-opacity',
-    'strokeCap':        'stroke-linecap',
-    'strokeDash':       'stroke-dasharray',
-    'strokeDashOffset': 'stroke-dashoffset',
-    'opacity':          'opacity'
-  },
-  styleProperties: [
-    'fill',
-    'fillOpacity',
-    'stroke',
-    'strokeWidth',
-    'strokeOpacity',
-    'strokeCap',
-    'strokeDash',
-    'strokeDashOffset',
-    'opacity'
-  ]
-};
-
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-
-},{}],86:[function(require,module,exports){
-function size(item) {
-  return item.fontSize != null ? item.fontSize : 11;
-}
-
-module.exports = {
-  size: size,
-  value: function(s) {
-    return s != null ? String(s) : '';
-  },
-  font: function(item, quote) {
-    var font = item.font;
-    if (quote && font) {
-      font = String(font).replace(/\"/g, '\'');
-    }
-    return '' +
-      (item.fontStyle ? item.fontStyle + ' ' : '') +
-      (item.fontVariant ? item.fontVariant + ' ' : '') +
-      (item.fontWeight ? item.fontWeight + ' ' : '') +
-      size(item) + 'px ' +
-      (font || 'sans-serif');
-  },
-  offset: function(item) {
-    // perform our own font baseline calculation
-    // why? not all browsers support SVG 1.1 'alignment-baseline' :(
-    var baseline = item.baseline,
-        h = size(item);
-    return Math.round(
-      baseline === 'top'    ?  0.93*h :
-      baseline === 'middle' ?  0.30*h :
-      baseline === 'bottom' ? -0.21*h : 0
-    );
-  }
-};
-
-},{}],87:[function(require,module,exports){
-var sg = require('vega-scenegraph').render,
-    canvas = sg.canvas,
-    svg = sg.svg.string,
-    View = require('./View');
-
-function HeadlessView(width, height, model) {
-  View.call(this, width, height, model);
-  this._type = 'canvas';
-  this._renderers = {canvas: canvas, svg: svg};
-}
-
-var prototype = (HeadlessView.prototype = new View());
-
-prototype.renderer = function(type) {
-  if(type) this._type = type;
-  return View.prototype.renderer.apply(this, arguments);
-};
-
-prototype.canvas = function() {
-  return (this._type === 'canvas') ? this._renderer.canvas() : null;
-};
-
-prototype.canvasAsync = function(callback) {
-  var r = this._renderer, view = this;
-
-  function wait() {
-    if (r.pendingImages() === 0) {
-      view.render(); // re-render with all images
-      callback(view.canvas());
-    } else {
-      setTimeout(wait, 10);
-    }
-  }
-
-  // if images loading, poll until ready
-  if (this._type !== 'canvas') return null;
-  if (r.pendingImages() > 0) { wait(); } else { callback(this.canvas()); }
-};
-
-prototype.svg = function() {
-  return (this._type === 'svg') ? this._renderer.svg() : null;
-};
-
-prototype.initialize = function() {
-  var w = this._width,
-      h = this._height,
-      bg  = this._bgcolor,
-      pad = this._padding,
-      config = this.model().config();
-
-  if (this._viewport) {
-    w = this._viewport[0] - (pad ? pad.left + pad.right : 0);
-    h = this._viewport[1] - (pad ? pad.top + pad.bottom : 0);
-  }
-
-  this._renderer = (this._renderer || new this._io.Renderer(config.load))
-    .initialize(null, w, h, pad)
-    .background(bg);
-
-  return this;
-};
-
-module.exports = HeadlessView;
-},{"./View":89,"vega-scenegraph":48}],88:[function(require,module,exports){
-var dl = require('datalib'),
-    df = require('vega-dataflow'),
-    ChangeSet = df.ChangeSet,
-    Base = df.Graph.prototype,
-    Node  = df.Node, // jshint ignore:line
-    GroupBuilder = require('../scene/GroupBuilder'),
-    visit = require('../scene/visit'),
-    config = require('./config');
-
-function Model(cfg) {
-  this._defs = {};
-  this._predicates = {};
-  this._scene = null;
-
-  this._node = null;
-  this._builder = null; // Top-level scenegraph builder
-
-  this._reset = {axes: false, legends: false};
-
-  this.config(cfg);
-  Base.init.call(this);
-}
-
-var prototype = (Model.prototype = Object.create(Base));
-prototype.constructor = Model;
-
-prototype.defs = function(defs) {
-  if (!arguments.length) return this._defs;
-  this._defs = defs;
-  return this;
-};
-
-prototype.config = function(cfg) {
-  if (!arguments.length) return this._config;
-  this._config = Object.create(config);
-  for (var name in cfg) {
-    var x = cfg[name], y = this._config[name];
-    if (dl.isObject(x) && dl.isObject(y)) {
-      dl.extend(y, x);
-    } else {
-      this._config[name] = x;
-    }
-  }
-
-  return this;
-};
-
-prototype.width = function(width) {
-  if (this._defs) this._defs.width = width;
-  if (this._defs && this._defs.marks) this._defs.marks.width = width;
-  if (this._scene) {
-    this._scene.items[0].width = width;
-    this._scene.items[0]._dirty = true;
-  }
-  this._reset.axes = true;
-  return this;
-};
-
-prototype.height = function(height) {
-  if (this._defs) this._defs.height = height;
-  if (this._defs && this._defs.marks) this._defs.marks.height = height;
-  if (this._scene) {
-    this._scene.items[0].height = height;
-    this._scene.items[0]._dirty = true;
-  }
-  this._reset.axes = true;
-  return this;
-};
-
-prototype.node = function() {
-  return this._node || (this._node = new Node(this));
-};
-
-prototype.data = function() {
-  var data = Base.data.apply(this, arguments);
-  if (arguments.length > 1) {  // new Datasource
-    this.node().addListener(data.pipeline()[0]);
-  }
-  return data;
-};
-
-function predicates(name) {
-  var m = this, pred = {};
-  if (!dl.isArray(name)) return this._predicates[name];
-  name.forEach(function(n) { pred[n] = m._predicates[n]; });
-  return pred;
-}
-
-prototype.predicate = function(name, predicate) {
-  if (arguments.length === 1) return predicates.call(this, name);
-  return (this._predicates[name] = predicate);
-};
-
-prototype.predicates = function() { return this._predicates; };
-
-prototype.scene = function(renderer) {
-  if (!arguments.length) return this._scene;
-
-  if (this._builder) {
-    this.node().removeListener(this._builder);
-    this._builder._groupBuilder.disconnect();
-  }
-
-  var m = this,
-      b = this._builder = new Node(this);
-
-  b.evaluate = function(input) {
-    if (b._groupBuilder) return input;
-
-    var gb = b._groupBuilder = new GroupBuilder(m, m._defs.marks, m._scene={}),
-        p  = gb.pipeline();
-
-    this.addListener(gb.connect());
-    p[p.length-1].addListener(renderer);
-    return input;
-  };
-
-  this.addListener(b);
-  return this;
-};
-
-prototype.reset = function() {
-  if (this._scene && this._reset.axes) {
-    visit(this._scene, function(item) {
-      if (item.axes) item.axes.forEach(function(axis) { axis.reset(); });
-    });
-    this._reset.axes = false;
-  }
-  if (this._scene && this._reset.legends) {
-    visit(this._scene, function(item) {
-      if (item.legends) item.legends.forEach(function(l) { l.reset(); });
-    });
-    this._reset.legends = false;
-  }
-  return this;
-};
-
-prototype.addListener = function(l) {
-  this.node().addListener(l);
-};
-
-prototype.removeListener = function(l) {
-  this.node().removeListener(l);
-};
-
-prototype.fire = function(cs) {
-  if (!cs) cs = ChangeSet.create();
-  this.propagate(cs, this.node());
-};
-
-module.exports = Model;
-},{"../scene/GroupBuilder":112,"../scene/visit":117,"./config":90,"datalib":26,"vega-dataflow":41}],89:[function(require,module,exports){
-(function (global){
-var d3 = (typeof window !== "undefined" ? window['d3'] : typeof global !== "undefined" ? global['d3'] : null),
-    dl = require('datalib'),
-    df = require('vega-dataflow'),
-    sg = require('vega-scenegraph').render,
-    log = require('vega-logging'),
-    Deps = df.Dependencies,
-    parseStreams = require('../parse/streams'),
-    Encoder = require('../scene/Encoder'),
-    Transition = require('../scene/Transition');
-
-function View(el, width, height) {
-  this._el    = null;
-  this._model = null;
-  this._width   = this.__width = width || 500;
-  this._height  = this.__height = height || 300;
-  this._bgcolor = null;
-  this._autopad = 1;
-  this._padding = {top:0, left:0, bottom:0, right:0};
-  this._viewport = null;
-  this._renderer = null;
-  this._handler  = null;
-  this._streamer = null; // Targeted update for streaming changes
-  this._changeset = null;
-  this._repaint = true; // Full re-render on every re-init
-  this._renderers = sg;
-  this._io  = null;
-  this._api = {}; // Stash streaming data API sandboxes.
-}
-
-var prototype = View.prototype;
-
-prototype.model = function(model) {
-  if (!arguments.length) return this._model;
-  if (this._model !== model) {
-    this._model = model;
-    this._streamer = new df.Node(model);
-    this._streamer._rank = -1;  // HACK: To reduce re-ranking churn.
-    this._changeset = df.ChangeSet.create();
-    if (this._handler) this._handler.model(model);
-  }
-  return this;
-};
-
-// Sandboxed streaming data API
-function streaming(src) {
-  var view = this,
-      ds = this._model.data(src),
-      name = ds.name(),
-      listener = ds.pipeline()[0],
-      streamer = this._streamer,
-      api = {};
-
-  // If we have it stashed, don't create a new closure.
-  if (this._api[src]) return this._api[src];
-
-  api.insert = function(vals) {
-    ds.insert(dl.duplicate(vals));  // Don't pollute the environment
-    streamer.addListener(listener);
-    view._changeset.data[name] = 1;
-    return api;
-  };
-
-  api.update = function() {
-    streamer.addListener(listener);
-    view._changeset.data[name] = 1;
-    return (ds.update.apply(ds, arguments), api);
-  };
-
-  api.remove = function() {
-    streamer.addListener(listener);
-    view._changeset.data[name] = 1;
-    return (ds.remove.apply(ds, arguments), api);
-  };
-
-  api.values = function() { return ds.values(); };
-
-  return (this._api[src] = api);
-}
-
-prototype.data = function(data) {
-  var v = this;
-  if (!arguments.length) return v._model.values();
-  else if (dl.isString(data)) return streaming.call(v, data);
-  else if (dl.isObject(data)) {
-    dl.keys(data).forEach(function(k) {
-      var api = streaming.call(v, k);
-      data[k](api);
-    });
-  }
-  return this;
-};
-
-var VIEW_SIGNALS = dl.toMap(['width', 'height', 'padding']);
-
-prototype.signal = function(name, value, propagate) {
-  var m = this._model,
-      key, values;
-
-  // Getter. Returns the value for the specified signal, or
-  // returns all signal values.
-  if (!arguments.length) {
-    return m.values(Deps.SIGNALS);
-  } else if (arguments.length === 1 && dl.isString(name)) {
-    return m.values(Deps.SIGNALS, name);
-  }
-
-  // Setter. Can be done in batch or individually. In either case,
-  // the final argument determines if set values should propagate.
-  if (dl.isObject(name)) {
-    values = name;
-    propagate = value;
-  } else {
-    values = {};
-    values[name] = value;
-  }
-  for (key in values) {
-    if (VIEW_SIGNALS[key]) {
-      this[key](values[key]);
-    } else {
-      setSignal.call(this, key, values[key], propagate);
-    }
-  }
-  return this;
-};
-
-function setSignal(name, value, propagate) {
-  var cs = this._changeset;
-  this._streamer.addListener(this._model.signal(name).value(value));
-  if (propagate !== false) cs.signals[name] = 1;
-  cs.reflow = true;
-}
-
-prototype.width = function(width) {
-  if (!arguments.length) return this.__width;
-  if (this.__width !== width) {
-    this._width = this.__width = width;
-    this.model().width(width);
-    this.initialize();
-    if (this._strict) this._autopad = 1;
-    setSignal.call(this, 'width', width);
-  }
-  return this;
-};
-
-prototype.height = function(height) {
-  if (!arguments.length) return this.__height;
-  if (this.__height !== height) {
-    this._height = this.__height = height;
-    this.model().height(height);
-    this.initialize();
-    if (this._strict) this._autopad = 1;
-    setSignal.call(this, 'height', height);
-  }
-  return this;
-};
-
-prototype.background = function(bgcolor) {
-  if (!arguments.length) return this._bgcolor;
-  if (this._bgcolor !== bgcolor) {
-    this._bgcolor = bgcolor;
-    this.initialize();
-  }
-  return this;
-};
-
-prototype.padding = function(pad) {
-  if (!arguments.length) return this._padding;
-  if (this._padding !== pad) {
-    if (dl.isString(pad)) {
-      this._autopad = 1;
-      this._padding = {top:0, left:0, bottom:0, right:0};
-      this._strict = (pad === 'strict');
-    } else {
-      this._autopad = 0;
-      this._padding = pad;
-      this._strict = false;
-    }
-    if (this._renderer) this._renderer.resize(this._width, this._height, this._padding);
-    if (this._handler)  this._handler.padding(this._padding);
-    setSignal.call(this, 'padding', this._padding);
-  }
-  return (this._repaint = true, this);
-};
-
-prototype.autopad = function(opt) {
-  if (this._autopad < 1) return this;
-  else this._autopad = 0;
-
-  var b = this.model().scene().bounds,
-      pad = this._padding,
-      config = this.model().config(),
-      inset = config.autopadInset,
-      l = b.x1 < 0 ? Math.ceil(-b.x1) + inset : 0,
-      t = b.y1 < 0 ? Math.ceil(-b.y1) + inset : 0,
-      r = b.x2 > this._width  ? Math.ceil(+b.x2 - this._width) + inset : 0;
-  b = b.y2 > this._height ? Math.ceil(+b.y2 - this._height) + inset : 0;
-  pad = {left:l, top:t, right:r, bottom:b};
-
-  if (this._strict) {
-    this._autopad = 0;
-    this._padding = pad;
-    this._width = Math.max(0, this.__width - (l+r));
-    this._height = Math.max(0, this.__height - (t+b));
-
-    this._model.width(this._width).height(this._height).reset();
-    setSignal.call(this, 'width', this._width);
-    setSignal.call(this, 'height', this._height);
-    setSignal.call(this, 'padding', pad);
-
-    this.initialize().update({props:'enter'}).update({props:'update'});
-  } else {
-    this.padding(pad).update(opt);
-  }
-  return this;
-};
-
-prototype.viewport = function(size) {
-  if (!arguments.length) return this._viewport;
-  if (this._viewport !== size) {
-    this._viewport = size;
-    this.initialize();
-  }
-  return this;
-};
-
-prototype.renderer = function(type) {
-  if (!arguments.length) return this._renderer;
-  if (this._renderers[type]) type = this._renderers[type];
-  else if (dl.isString(type)) throw new Error('Unknown renderer: ' + type);
-  else if (!type) throw new Error('No renderer specified');
-
-  if (this._io !== type) {
-    this._io = type;
-    this._renderer = null;
-    this.initialize();
-    if (this._build) this.render();
-  }
-  return this;
-};
-
-prototype.initialize = function(el) {
-  var v = this, prevHandler,
-      w = v._width, h = v._height, pad = v._padding, bg = v._bgcolor,
-      config = this.model().config();
-
-  if (!arguments.length || el === null) {
-    el = this._el ? this._el.parentNode : null;
-    if (!el) return this;  // This View cannot init w/o an
-  }
-
-  // clear pre-existing container
-  d3.select(el).select('div.vega').remove();
-
-  // add div container
-  this._el = el = d3.select(el)
-    .append('div')
-    .attr('class', 'vega')
-    .style('position', 'relative')
-    .node();
-  if (v._viewport) {
-    d3.select(el)
-      .style('width',  (v._viewport[0] || w)+'px')
-      .style('height', (v._viewport[1] || h)+'px')
-      .style('overflow', 'auto');
-  }
-
-  // renderer
-  sg.canvas.Renderer.RETINA = config.render.retina;
-  v._renderer = (v._renderer || new this._io.Renderer(config.load))
-    .initialize(el, w, h, pad)
-    .background(bg);
-
-  // input handler
-  prevHandler = v._handler;
-  v._handler = new this._io.Handler()
-    .initialize(el, pad, v);
-
-  if (prevHandler) {
-    prevHandler.handlers().forEach(function(h) {
-      v._handler.on(h.type, h.handler);
-    });
-  } else {
-    // Register event listeners for signal stream definitions.
-    v._detach = parseStreams(this);
-  }
-
-  return (this._repaint = true, this);
-};
-
-prototype.destroy = function() {
-  if (this._detach) this._detach();
-};
-
-function build() {
-  var v = this;
-  v._renderNode = new df.Node(v._model)
-    .router(true);
-
-  v._renderNode.evaluate = function(input) {
-    log.debug(input, ['rendering']);
-
-    var s = v._model.scene(),
-        h = v._handler;
-
-    if (h && h.scene) h.scene(s);
-
-    if (input.trans) {
-      input.trans.start(function(items) { v._renderer.render(s, items); });
-    } else if (v._repaint) {
-      v._renderer.render(s);
-      v._repaint = false;
-    } else if (input.dirty.length) {
-      v._renderer.render(s, input.dirty);
-    }
-
-    if (input.dirty.length) {
-      input.dirty.forEach(function(i) { i._dirty = false; });
-      s.items[0]._dirty = false;
-    }
-
-    // For all updated datasources, clear their previous values.
-    for (var d in input.data) { v._model.data(d).synchronize(); }
-    return input;
-  };
-
-  return (v._model.scene(v._renderNode), true);
-}
-
-prototype.update = function(opt) {
-  opt = opt || {};
-  var v = this,
-      model = this._model,
-      streamer = this._streamer,
-      cs = this._changeset,
-      trans = opt.duration ? new Transition(opt.duration, opt.ease) : null;
-
-  if (trans) cs.trans = trans;
-  if (opt.props !== undefined) {
-    if (dl.keys(cs.data).length > 0) {
-      throw Error(
-        'New data values are not reflected in the visualization.' +
-        ' Please call view.update() before updating a specified property set.'
-      );
-    }
-
-    cs.reflow  = true;
-    cs.request = opt.props;
-  }
-
-  var built = v._build;
-  v._build = v._build || build.call(this);
-
-  // If specific items are specified, short-circuit dataflow graph.
-  // Else-If there are streaming updates, perform a targeted propagation.
-  // Otherwise, re-evaluate the entire model (datasources + scene).
-  if (opt.items && built) {
-    Encoder.update(model, opt.trans, opt.props, opt.items, cs.dirty);
-    v._renderNode.evaluate(cs);
-  } else if (streamer.listeners().length && built) {
-    // Include re-evaluation entire model when repaint flag is set
-    if (this._repaint) streamer.addListener(model.node());
-    model.propagate(cs, streamer);
-    streamer.disconnect();
-  } else {
-    model.fire(cs);
-  }
-
-  v._changeset = df.ChangeSet.create();
-
-  return v.autopad(opt);
-};
-
-prototype.toImageURL = function(type) {
-  var v = this, Renderer;
-
-  // lookup appropriate renderer
-  switch (type || 'png') {
-    case 'canvas':
-    case 'png':
-      Renderer = sg.canvas.Renderer; break;
-    case 'svg':
-      Renderer = sg.svg.string.Renderer; break;
-    default: throw Error('Unrecognized renderer type: ' + type);
-  }
-
-  var retina = sg.canvas.Renderer.RETINA;
-  sg.canvas.Renderer.RETINA = false; // ignore retina screen
-
-  // render the scenegraph
-  var ren = new Renderer(v._model.config.load)
-    .initialize(null, v._width, v._height, v._padding)
-    .render(v._model.scene());
-
-  sg.canvas.Renderer.RETINA = retina; // restore retina settings
-
-  // return data url
-  if (type === 'svg') {
-    var blob = new Blob([ren.svg()], {type: 'image/svg+xml'});
-    return window.URL.createObjectURL(blob);
-  } else {
-    return ren.canvas().toDataURL('image/png');
-  }
-};
-
-prototype.render = function(items) {
-  this._renderer.render(this._model.scene(), items);
-  return this;
-};
-
-prototype.on = function() {
-  this._handler.on.apply(this._handler, arguments);
-  return this;
-};
-
-prototype.onSignal = function(name, handler) {
-  this._model.signal(name).on(handler);
-  return this;
-};
-
-prototype.off = function() {
-  this._handler.off.apply(this._handler, arguments);
-  return this;
-};
-
-prototype.offSignal = function(name, handler) {
-  this._model.signal(name).off(handler);
-  return this;
-};
-
-View.factory = function(model) {
-  var HeadlessView = require('./HeadlessView');
-  return function(opt) {
-    opt = opt || {};
-    var defs = model.defs();
-    var v = (opt.el ? new View() : new HeadlessView())
-      .model(model)
-      .renderer(opt.renderer || 'canvas')
-      .width(defs.width)
-      .height(defs.height)
-      .background(defs.background)
-      .padding(defs.padding)
-      .viewport(defs.viewport)
-      .initialize(opt.el);
-
-    if (opt.data) v.data(opt.data);
-
-    if (opt.hover !== false && opt.el) {
-      v.on('mouseover', function(evt, item) {
-        if (item && item.hasPropertySet('hover')) {
-          this.update({props:'hover', items:item});
-        }
-      })
-      .on('mouseout', function(evt, item) {
-        if (item && item.hasPropertySet('hover')) {
-          this.update({props:'update', items:item});
-        }
-      });
-    }
-
-    return v;
-  };
-};
-
-module.exports = View;
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-
-},{"../parse/streams":107,"../scene/Encoder":111,"../scene/Transition":114,"./HeadlessView":87,"datalib":26,"vega-dataflow":41,"vega-logging":47,"vega-scenegraph":48}],90:[function(require,module,exports){
-(function (global){
-var d3 = (typeof window !== "undefined" ? window['d3'] : typeof global !== "undefined" ? global['d3'] : null),
-    config = {};
-
-config.load = {
-  // base url for loading external data files
-  // used only for server-side operation
-  baseURL: '',
-  // Allows domain restriction when using data loading via XHR.
-  // To enable, set it to a list of allowed domains
-  // e.g., ['wikipedia.org', 'eff.org']
-  domainWhiteList: false
-};
-
-// inset padding for automatic padding calculation
-config.autopadInset = 5;
-
-// extensible scale lookup table
-// all d3.scale.* instances also supported
-config.scale = {
-  time: d3.time.scale,
-  utc:  d3.time.scale.utc
-};
-
-// default rendering settings
-config.render = {
-  retina: true
-};
-
-// root scenegraph group
-config.scene = {
-  fill: undefined,
-  fillOpacity: undefined,
-  stroke: undefined,
-  strokeOpacity: undefined,
-  strokeWidth: undefined,
-  strokeDash: undefined,
-  strokeDashOffset: undefined
-};
-
-// default axis properties
-config.axis = {
-  orient: 'bottom',
-  ticks: 10,
-  padding: 3,
-  axisColor: '#000',
-  axisWidth: 1,
-  gridColor: '#000',
-  gridOpacity: 0.15,
-  tickColor: '#000',
-  tickLabelColor: '#000',
-  tickWidth: 1,
-  tickSize: 6,
-  tickLabelFontSize: 11,
-  tickLabelFont: 'sans-serif',
-  titleColor: '#000',
-  titleFont: 'sans-serif',
-  titleFontSize: 11,
-  titleFontWeight: 'bold',
-  titleOffset: 'auto',
-  titleOffsetAutoMin: 30,
-  titleOffsetAutoMax: Infinity,
-  titleOffsetAutoMargin: 4
-};
-
-// default legend properties
-config.legend = {
-  orient: 'right',
-  offset: 20,
-  padding: 3, // padding between legend items and border
-  margin: 2,  // extra margin between two consecutive legends
-  gradientStrokeColor: '#888',
-  gradientStrokeWidth: 1,
-  gradientHeight: 16,
-  gradientWidth: 100,
-  labelColor: '#000',
-  labelFontSize: 10,
-  labelFont: 'sans-serif',
-  labelAlign: 'left',
-  labelBaseline: 'middle',
-  labelOffset: 8,
-  symbolShape: 'circle',
-  symbolSize: 50,
-  symbolColor: '#888',
-  symbolStrokeWidth: 1,
-  titleColor: '#000',
-  titleFont: 'sans-serif',
-  titleFontSize: 11,
-  titleFontWeight: 'bold'
-};
-
-// default color values
-config.color = {
-  rgb: [128, 128, 128],
-  lab: [50, 0, 0],
-  hcl: [0, 0, 50],
-  hsl: [0, 0, 0.5]
-};
-
-// default scale ranges
-config.range = {
-  category10:  d3.scale.category10().range(),
-  category20:  d3.scale.category20().range(),
-  category20b: d3.scale.category20b().range(),
-  category20c: d3.scale.category20c().range(),
-  shapes: [
-    'circle',
-    'cross',
-    'diamond',
-    'square',
-    'triangle-down',
-    'triangle-up'
-  ]
-};
-
-module.exports = config;
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-
-},{}],91:[function(require,module,exports){
-var dl = require('datalib'),
-    parse = require('../parse'),
-    Scale = require('../scene/Scale'),
-    config = require('./config');
-
-function compile(module, opt, schema) {
-  var s = module.schema;
-  if (!s) return;
-  if (s.refs) dl.extend(schema.refs, s.refs);
-  if (s.defs) dl.extend(schema.defs, s.defs);
-}
-
-module.exports = function(opt) {
-  var schema = null;
-  opt = opt || {};
-
-  // Compile if we're not loading the schema from a URL.
-  // Load from a URL to extend the existing base schema.
-  if (opt.url) {
-    schema = dl.json(dl.extend({url: opt.url}, config.load));
-  } else {
-    schema = {
-      "$schema": "http://json-schema.org/draft-04/schema#",
-      "title": "Vega Visualization Specification Language",
-      "defs": {},
-      "refs": {},
-      "$ref": "#/defs/spec"
-    };
-
-    dl.keys(parse).forEach(function(k) { compile(parse[k], opt, schema); });
-
-    // Scales aren't in the parser, add schema manually
-    compile(Scale, opt, schema);
-  }
-
-  // Extend schema to support custom mark properties or property sets.
-  if (opt.properties) dl.keys(opt.properties).forEach(function(k) {
-    schema.defs.propset.properties[k] = {"$ref": "#/refs/"+opt.properties[k]+"Value"};
-  });
-
-  if (opt.propertySets) dl.keys(opt.propertySets).forEach(function(k) {
-    schema.defs.mark.properties.properties.properties[k] = {"$ref": "#/defs/propset"};
-  });
-
-  return schema;
-};
-},{"../parse":97,"../scene/Scale":113,"./config":90,"datalib":26}],92:[function(require,module,exports){
-var dl = require('datalib'),
-    axs = require('../scene/axis');
-
-var ORIENT = {
-  "x":      "bottom",
-  "y":      "left",
-  "top":    "top",
-  "bottom": "bottom",
-  "left":   "left",
-  "right":  "right"
-};
-
-function parseAxes(model, spec, axes, group) {
-  var config = model.config();
-  (spec || []).forEach(function(def, index) {
-    axes[index] = axes[index] || axs(model);
-    parseAxis(config, def, index, axes[index], group);
-  });
-}
-
-function parseAxis(config, def, index, axis, group) {
-  // axis scale
-  if (def.scale !== undefined) {
-    axis.scale(group.scale(def.scale));
-  }
-
-  // axis orientation
-  axis.orient(def.orient || ORIENT[def.type]);
-  // axis offset
-  axis.offset(def.offset || 0);
-  // axis layer
-  axis.layer(def.layer || "front");
-  // axis grid lines
-  axis.grid(def.grid || false);
-  // axis title
-  axis.title(def.title || null);
-  // axis title offset
-  axis.titleOffset(def.titleOffset != null ?
-    def.titleOffset : config.axis.titleOffset);
-  // axis values
-  axis.tickValues(def.values || null);
-  // axis label formatting
-  axis.tickFormat(def.format || null);
-  axis.tickFormatType(def.formatType || null);
-  // axis tick subdivision
-  axis.tickSubdivide(def.subdivide || 0);
-  // axis tick padding
-  axis.tickPadding(def.tickPadding || config.axis.padding);
-
-  // axis tick size(s)
-  var size = [];
-  if (def.tickSize !== undefined) {
-    for (var i=0; i<3; ++i) size.push(def.tickSize);
-  } else {
-    var ts = config.axis.tickSize;
-    size = [ts, ts, ts];
-  }
-  if (def.tickSizeMajor != null) size[0] = def.tickSizeMajor;
-  if (def.tickSizeMinor != null) size[1] = def.tickSizeMinor;
-  if (def.tickSizeEnd   != null) size[2] = def.tickSizeEnd;
-  if (size.length) {
-    axis.tickSize.apply(axis, size);
-  }
-
-  // axis tick count
-  axis.tickCount(def.ticks || config.axis.ticks);
-
-  // style properties
-  var p = def.properties;
-  if (p && p.ticks) {
-    axis.majorTickProperties(p.majorTicks ?
-      dl.extend({}, p.ticks, p.majorTicks) : p.ticks);
-    axis.minorTickProperties(p.minorTicks ?
-      dl.extend({}, p.ticks, p.minorTicks) : p.ticks);
-  } else {
-    axis.majorTickProperties(p && p.majorTicks || {});
-    axis.minorTickProperties(p && p.minorTicks || {});
-  }
-  axis.tickLabelProperties(p && p.labels || {});
-  axis.titleProperties(p && p.title || {});
-  axis.gridLineProperties(p && p.grid || {});
-  axis.domainProperties(p && p.axis || {});
-}
-
-module.exports = parseAxes;
-},{"../scene/axis":115,"datalib":26}],93:[function(require,module,exports){
-(function (global){
-var d3 = (typeof window !== "undefined" ? window['d3'] : typeof global !== "undefined" ? global['d3'] : null);
-
-function parseBg(bg) {
-  // return null if input is null or undefined
-  if (bg == null) return null;
-  // run through d3 rgb to sanity check
-  return d3.rgb(bg) + '';
-}
-
-module.exports = parseBg;
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-
-},{}],94:[function(require,module,exports){
-var dl = require('datalib'),
-    log = require('vega-logging'),
-    parseTransforms = require('./transforms'),
-    parseModify = require('./modify');
-
-function parseData(model, spec, callback) {
-  var config = model.config(),
-      count = 0;
-
-  function loaded(d) {
-    return function(error, data) {
-      if (error) {
-        log.error('LOADING FAILED: ' + d.url + ' ' + error);
-      } else {
-        model.data(d.name).values(dl.read(data, d.format));
-      }
-      if (--count === 0) callback();
-    };
-  }
-
-  // process each data set definition
-  (spec || []).forEach(function(d) {
-    if (d.url) {
-      count += 1;
-      dl.load(dl.extend({url: d.url}, config.load), loaded(d));
-    }
-    parseData.datasource(model, d);
-  });
-
-  if (count === 0) setTimeout(callback, 1);
-  return spec;
-}
-
-parseData.datasource = function(model, d) {
-  var transform = (d.transform || []).map(function(t) {
-        return parseTransforms(model, t);
-      }),
-      mod = (d.modify || []).map(function(m) {
-        return parseModify(model, m, d);
-      }),
-      ds = model.data(d.name, mod.concat(transform));
-
-  if (d.values) {
-    ds.values(dl.read(d.values, d.format));
-  } else if (d.source) {
-    // Derived ds will be pulsed by its src rather than the model.
-    ds.source(d.source).addListener(ds);
-    model.removeListener(ds.pipeline()[0]);
-  }
-
-  return ds;
-};
-
-module.exports = parseData;
-},{"./modify":101,"./transforms":108,"datalib":26,"vega-logging":47}],95:[function(require,module,exports){
-module.exports = (function() {
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-
-  function peg$subclass(child, parent) {
-    function ctor() { this.constructor = child; }
-    ctor.prototype = parent.prototype;
-    child.prototype = new ctor();
-  }
-
-  function SyntaxError(message, expected, found, offset, line, column) {
-    this.message  = message;
-    this.expected = expected;
-    this.found    = found;
-    this.offset   = offset;
-    this.line     = line;
-    this.column   = column;
-
-    this.name     = "SyntaxError";
-  }
-
-  peg$subclass(SyntaxError, Error);
-
-  function parse(input) {
-    var options = arguments.length > 1 ? arguments[1] : {},
-
-        peg$FAILED = {},
-
-        peg$startRuleFunctions = { start: peg$parsestart },
-        peg$startRuleFunction  = peg$parsestart,
-
-        peg$c0 = peg$FAILED,
-        peg$c1 = ",",
-        peg$c2 = { type: "literal", value: ",", description: "\",\"" },
-        peg$c3 = function(o, m) { return [o].concat(m); },
-        peg$c4 = function(o) { return [o]; },
-        peg$c5 = "[",
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-        peg$c7 = "]",
-        peg$c8 = { type: "literal", value: "]", description: "\"]\"" },
-        peg$c9 = ">",
-        peg$c10 = { type: "literal", value: ">", description: "\">\"" },
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-        peg$c13 = function(s, f) { return (s.filters = f, s); },
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-        peg$c15 = "(",
-        peg$c16 = { type: "literal", value: "(", description: "\"(\"" },
-        peg$c17 = ")",
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-        peg$c19 = function(m) { return {stream: m}; },
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-        peg$c24 = function(n, e) { return {event: e, name: n}; },
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-        peg$c27 = function(e) { return {event: e}; },
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-        peg$c29 = "rect",
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-        peg$c31 = "symbol",
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-        peg$c33 = "path",
-        peg$c34 = { type: "literal", value: "path", description: "\"path\"" },
-        peg$c35 = "arc",
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-        peg$c37 = "area",
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-        peg$c39 = "line",
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-        peg$c41 = "rule",
-        peg$c42 = { type: "literal", value: "rule", description: "\"rule\"" },
-        peg$c43 = "image",
-        peg$c44 = { type: "literal", value: "image", description: "\"image\"" },
-        peg$c45 = "text",
-        peg$c46 = { type: "literal", value: "text", description: "\"text\"" },
-        peg$c47 = "group",
-        peg$c48 = { type: "literal", value: "group", description: "\"group\"" },
-        peg$c49 = "mousedown",
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-        peg$c51 = "mouseup",
-        peg$c52 = { type: "literal", value: "mouseup", description: "\"mouseup\"" },
-        peg$c53 = "click",
-        peg$c54 = { type: "literal", value: "click", description: "\"click\"" },
-        peg$c55 = "dblclick",
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-        peg$c57 = "wheel",
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-        peg$c59 = "keydown",
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-        peg$c61 = "keypress",
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-        peg$c63 = "keyup",
-        peg$c64 = { type: "literal", value: "keyup", description: "\"keyup\"" },
-        peg$c65 = "mousewheel",
-        peg$c66 = { type: "literal", value: "mousewheel", description: "\"mousewheel\"" },
-        peg$c67 = "mousemove",
-        peg$c68 = { type: "literal", value: "mousemove", description: "\"mousemove\"" },
-        peg$c69 = "mouseout",
-        peg$c70 = { type: "literal", value: "mouseout", description: "\"mouseout\"" },
-        peg$c71 = "mouseover",
-        peg$c72 = { type: "literal", value: "mouseover", description: "\"mouseover\"" },
-        peg$c73 = "mouseenter",
-        peg$c74 = { type: "literal", value: "mouseenter", description: "\"mouseenter\"" },
-        peg$c75 = "touchstart",
-        peg$c76 = { type: "literal", value: "touchstart", description: "\"touchstart\"" },
-        peg$c77 = "touchmove",
-        peg$c78 = { type: "literal", value: "touchmove", description: "\"touchmove\"" },
-        peg$c79 = "touchend",
-        peg$c80 = { type: "literal", value: "touchend", description: "\"touchend\"" },
-        peg$c81 = function(e) { return e; },
-        peg$c82 = /^[a-zA-Z0-9_\-]/,
-        peg$c83 = { type: "class", value: "[a-zA-Z0-9_\\-]", description: "[a-zA-Z0-9_\\-]" },
-        peg$c84 = function(n) { return n.join(""); },
-        peg$c85 = /^[a-zA-Z0-9\-_  #.>+~[\]=|\^$*]/,
-        peg$c86 = { type: "class", value: "[a-zA-Z0-9\\-_  #.>+~[\\]=|\\^$*]", description: "[a-zA-Z0-9\\-_  #.>+~[\\]=|\\^$*]" },
-        peg$c87 = function(c) { return c.join(""); },
-        peg$c88 = /^['"a-zA-Z0-9_().><=! \t-&|~]/,
-        peg$c89 = { type: "class", value: "['\"a-zA-Z0-9_().><=! \\t-&|~]", description: "['\"a-zA-Z0-9_().><=! \\t-&|~]" },
-        peg$c90 = function(v) { return v.join(""); },
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-
-        peg$currPos          = 0,
-        peg$reportedPos      = 0,
-        peg$cachedPos        = 0,
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-        peg$maxFailPos       = 0,
-        peg$maxFailExpected  = [],
-        peg$silentFails      = 0,
-
-        peg$result;
-
-    if ("startRule" in options) {
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-      peg$startRuleFunction = peg$startRuleFunctions[options.startRule];
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-
-    function text() {
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-    function offset() {
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-    function column() {
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-    function expected(description) {
-      throw peg$buildException(
-        null,
-        [{ type: "other", description: description }],
-        peg$reportedPos
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-    function error(message) {
-      throw peg$buildException(message, null, peg$reportedPos);
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-            details.line++;
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-      if (peg$cachedPos !== pos) {
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-      return peg$cachedPosDetails;
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-    function peg$fail(expected) {
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-
-      if (peg$currPos > peg$maxFailPos) {
-        peg$maxFailPos = peg$currPos;
-        peg$maxFailExpected = [];
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-
-      peg$maxFailExpected.push(expected);
-    }
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-    function peg$buildException(message, expected, pos) {
-      function cleanupExpected(expected) {
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-        expected.sort(function(a, b) {
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-          function hex(ch) { return ch.charCodeAt(0).toString(16).toUpperCase(); }
-
-          return s
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-
-      var posDetails = peg$computePosDetails(pos),
-          found      = pos < input.length ? input.charAt(pos) : null;
-
-      if (expected !== null) {
-        cleanupExpected(expected);
-      }
-
-      return new SyntaxError(
-        message !== null ? message : buildMessage(expected, found),
-        expected,
-        found,
-        pos,
-        posDetails.line,
-        posDetails.column
-      );
-    }
-
-    function peg$parsestart() {
-      var s0;
-
-      s0 = peg$parsemerged();
-
-      return s0;
-    }
-
-    function peg$parsemerged() {
-      var s0, s1, s2, s3, s4, s5;
-
-      s0 = peg$currPos;
-      s1 = peg$parseordered();
-      if (s1 !== peg$FAILED) {
-        s2 = peg$parsesep();
-        if (s2 !== peg$FAILED) {
-          if (input.charCodeAt(peg$currPos) === 44) {
-            s3 = peg$c1;
-            peg$currPos++;
-          } else {
-            s3 = peg$FAILED;
-            if (peg$silentFails === 0) { peg$fail(peg$c2); }
-          }
-          if (s3 !== peg$FAILED) {
-            s4 = peg$parsesep();
-            if (s4 !== peg$FAILED) {
-              s5 = peg$parsemerged();
-              if (s5 !== peg$FAILED) {
-                peg$reportedPos = s0;
-                s1 = peg$c3(s1, s5);
-                s0 = s1;
-              } else {
-                peg$currPos = s0;
-                s0 = peg$c0;
-              }
-            } else {
-              peg$currPos = s0;
-              s0 = peg$c0;
-            }
-          } else {
-            peg$currPos = s0;
-            s0 = peg$c0;
-          }
-        } else {
-          peg$currPos = s0;
-          s0 = peg$c0;
-        }
-      } else {
-        peg$currPos = s0;
-        s0 = peg$c0;
-      }
-      if (s0 === peg$FAILED) {
-        s0 = peg$currPos;
-        s1 = peg$parseordered();
-        if (s1 !== peg$FAILED) {
-          peg$reportedPos = s0;
-          s1 = peg$c4(s1);
-        }
-        s0 = s1;
-      }
-
-      return s0;
-    }
-
-    function peg$parseordered() {
-      var s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13;
-
-      s0 = peg$currPos;
-      if (input.charCodeAt(peg$currPos) === 91) {
-        s1 = peg$c5;
-        peg$currPos++;
-      } else {
-        s1 = peg$FAILED;
-        if (peg$silentFails === 0) { peg$fail(peg$c6); }
-      }
-      if (s1 !== peg$FAILED) {
-        s2 = peg$parsesep();
-        if (s2 !== peg$FAILED) {
-          s3 = peg$parsefiltered();
-          if (s3 !== peg$FAILED) {
-            s4 = peg$parsesep();
-            if (s4 !== peg$FAILED) {
-              if (input.charCodeAt(peg$currPos) === 44) {
-                s5 = peg$c1;
-                peg$currPos++;
-              } else {
-                s5 = peg$FAILED;
-                if (peg$silentFails === 0) { peg$fail(peg$c2); }
-              }
-              if (s5 !== peg$FAILED) {
-                s6 = peg$parsesep();
-                if (s6 !== peg$FAILED) {
-                  s7 = peg$parsefiltered();
-                  if (s7 !== peg$FAILED) {
-                    s8 = peg$parsesep();
-                    if (s8 !== peg$FAILED) {
-                      if (input.charCodeAt(peg$currPos) === 93) {
-                        s9 = peg$c7;
-                        peg$currPos++;
-                      } else {
-                        s9 = peg$FAILED;
-                        if (peg$silentFails === 0) { peg$fail(peg$c8); }
-                      }
-                      if (s9 !== peg$FAILED) {
-                        s10 = peg$parsesep();
-                        if (s10 !== peg$FAILED) {
-                          if (input.charCodeAt(peg$currPos) === 62) {
-                            s11 = peg$c9;
-                            peg$currPos++;
-                          } else {
-                            s11 = peg$FAILED;
-                            if (peg$silentFails === 0) { peg$fail(peg$c10); }
-                          }
-                          if (s11 !== peg$FAILED) {
-                            s12 = peg$parsesep();
-                            if (s12 !== peg$FAILED) {
-                              s13 = peg$parseordered();
-                              if (s13 !== peg$FAILED) {
-                                peg$reportedPos = s0;
-                                s1 = peg$c11(s3, s7, s13);
-                                s0 = s1;
-                              } else {
-                                peg$currPos = s0;
-                                s0 = peg$c0;
-                              }
-                            } else {
-                              peg$currPos = s0;
-                              s0 = peg$c0;
-                            }
-                          } else {
-                            peg$currPos = s0;
-                            s0 = peg$c0;
-                          }
-                        } else {
-                          peg$currPos = s0;
-                          s0 = peg$c0;
-                        }
-                      } else {
-                        peg$currPos = s0;
-                        s0 = peg$c0;
-                      }
-                    } else {
-                      peg$currPos = s0;
-                      s0 = peg$c0;
-                    }
-                  } else {
-                    peg$currPos = s0;
-                    s0 = peg$c0;
-                  }
-                } else {
-                  peg$currPos = s0;
-                  s0 = peg$c0;
-                }
-              } else {
-                peg$currPos = s0;
-                s0 = peg$c0;
-              }
-            } else {
-              peg$currPos = s0;
-              s0 = peg$c0;
-            }
-          } else {
-            peg$currPos = s0;
-            s0 = peg$c0;
-          }
-        } else {
-          peg$currPos = s0;
-          s0 = peg$c0;
-        }
-      } else {
-        peg$currPos = s0;
-        s0 = peg$c0;
-      }
-      if (s0 === peg$FAILED) {
-        s0 = peg$parsefiltered();
-      }
-
-      return s0;
-    }
-
-    function peg$parsefiltered() {
-      var s0, s1, s2, s3;
-
-      s0 = peg$currPos;
-      s1 = peg$parsestream();
-      if (s1 !== peg$FAILED) {
-        s2 = [];
-        s3 = peg$parsefilter();
-        if (s3 !== peg$FAILED) {
-          while (s3 !== peg$FAILED) {
-            s2.push(s3);
-            s3 = peg$parsefilter();
-          }
-        } else {
-          s2 = peg$c0;
-        }
-        if (s2 !== peg$FAILED) {
-          peg$reportedPos = s0;
-          s1 = peg$c13(s1, s2);
-          s0 = s1;
-        } else {
-          peg$currPos = s0;
-          s0 = peg$c0;
-        }
-      } else {
-        peg$currPos = s0;
-        s0 = peg$c0;
-      }
-      if (s0 === peg$FAILED) {
-        s0 = peg$currPos;
-        s1 = peg$parsestream();
-        if (s1 !== peg$FAILED) {
-          peg$reportedPos = s0;
-          s1 = peg$c14(s1);
-        }
-        s0 = s1;
-      }
-
-      return s0;
-    }
-
-    function peg$parsestream() {
-      var s0, s1, s2, s3, s4;
-
-      s0 = peg$currPos;
-      if (input.charCodeAt(peg$currPos) === 40) {
-        s1 = peg$c15;
-        peg$currPos++;
-      } else {
-        s1 = peg$FAILED;
-        if (peg$silentFails === 0) { peg$fail(peg$c16); }
-      }
-      if (s1 !== peg$FAILED) {
-        s2 = peg$parsemerged();
-        if (s2 !== peg$FAILED) {
-          if (input.charCodeAt(peg$currPos) === 41) {
-            s3 = peg$c17;
-            peg$currPos++;
-          } else {
-            s3 = peg$FAILED;
-            if (peg$silentFails === 0) { peg$fail(peg$c18); }
-          }
-          if (s3 !== peg$FAILED) {
-            peg$reportedPos = s0;
-            s1 = peg$c19(s2);
-            s0 = s1;
-          } else {
-            peg$currPos = s0;
-            s0 = peg$c0;
-          }
-        } else {
-          peg$currPos = s0;
-          s0 = peg$c0;
-        }
-      } else {
-        peg$currPos = s0;
-        s0 = peg$c0;
-      }
-      if (s0 === peg$FAILED) {
-        s0 = peg$currPos;
-        if (input.charCodeAt(peg$currPos) === 64) {
-          s1 = peg$c20;
-          peg$currPos++;
-        } else {
-          s1 = peg$FAILED;
-          if (peg$silentFails === 0) { peg$fail(peg$c21); }
-        }
-        if (s1 !== peg$FAILED) {
-          s2 = peg$parsename();
-          if (s2 !== peg$FAILED) {
-            if (input.charCodeAt(peg$currPos) === 58) {
-              s3 = peg$c22;
-              peg$currPos++;
-            } else {
-              s3 = peg$FAILED;
-              if (peg$silentFails === 0) { peg$fail(peg$c23); }
-            }
-            if (s3 !== peg$FAILED) {
-              s4 = peg$parseeventType();
-              if (s4 !== peg$FAILED) {
-                peg$reportedPos = s0;
-                s1 = peg$c24(s2, s4);
-                s0 = s1;
-              } else {
-                peg$currPos = s0;
-                s0 = peg$c0;
-              }
-            } else {
-              peg$currPos = s0;
-              s0 = peg$c0;
-            }
-          } else {
-            peg$currPos = s0;
-            s0 = peg$c0;
-          }
-        } else {
-          peg$currPos = s0;
-          s0 = peg$c0;
-        }
-        if (s0 === peg$FAILED) {
-          s0 = peg$currPos;
-          s1 = peg$parsemarkType();
-          if (s1 !== peg$FAILED) {
-            if (input.charCodeAt(peg$currPos) === 58) {
-              s2 = peg$c22;
-              peg$currPos++;
-            } else {
-              s2 = peg$FAILED;
-              if (peg$silentFails === 0) { peg$fail(peg$c23); }
-            }
-            if (s2 !== peg$FAILED) {
-              s3 = peg$parseeventType();
-              if (s3 !== peg$FAILED) {
-                peg$reportedPos = s0;
-                s1 = peg$c25(s1, s3);
-                s0 = s1;
-              } else {
-                peg$currPos = s0;
-                s0 = peg$c0;
-              }
-            } else {
-              peg$currPos = s0;
-              s0 = peg$c0;
-            }
-          } else {
-            peg$currPos = s0;
-            s0 = peg$c0;
-          }
-          if (s0 === peg$FAILED) {
-            s0 = peg$currPos;
-            s1 = peg$parsecss();
-            if (s1 !== peg$FAILED) {
-              if (input.charCodeAt(peg$currPos) === 58) {
-                s2 = peg$c22;
-                peg$currPos++;
-              } else {
-                s2 = peg$FAILED;
-                if (peg$silentFails === 0) { peg$fail(peg$c23); }
-              }
-              if (s2 !== peg$FAILED) {
-                s3 = peg$parseeventType();
-                if (s3 !== peg$FAILED) {
-                  peg$reportedPos = s0;
-                  s1 = peg$c26(s1, s3);
-                  s0 = s1;
-                } else {
-                  peg$currPos = s0;
-                  s0 = peg$c0;
-                }
-              } else {
-                peg$currPos = s0;
-                s0 = peg$c0;
-              }
-            } else {
-              peg$currPos = s0;
-              s0 = peg$c0;
-            }
-            if (s0 === peg$FAILED) {
-              s0 = peg$currPos;
-              s1 = peg$parseeventType();
-              if (s1 !== peg$FAILED) {
-                peg$reportedPos = s0;
-                s1 = peg$c27(s1);
-              }
-              s0 = s1;
-              if (s0 === peg$FAILED) {
-                s0 = peg$currPos;
-                s1 = peg$parsename();
-                if (s1 !== peg$FAILED) {
-                  peg$reportedPos = s0;
-                  s1 = peg$c28(s1);
-                }
-                s0 = s1;
-              }
-            }
-          }
-        }
-      }
-
-      return s0;
-    }
-
-    function peg$parsemarkType() {
-      var s0;
-
-      if (input.substr(peg$currPos, 4) === peg$c29) {
-        s0 = peg$c29;
-        peg$currPos += 4;
-      } else {
-        s0 = peg$FAILED;
-        if (peg$silentFails === 0) { peg$fail(peg$c30); }
-      }
-      if (s0 === peg$FAILED) {
-        if (input.substr(peg$currPos, 6) === peg$c31) {
-          s0 = peg$c31;
-          peg$currPos += 6;
-        } else {
-          s0 = peg$FAILED;
-          if (peg$silentFails === 0) { peg$fail(peg$c32); }
-        }
-        if (s0 === peg$FAILED) {
-          if (input.substr(peg$currPos, 4) === peg$c33) {
-            s0 = peg$c33;
-            peg$currPos += 4;
-          } else {
-            s0 = peg$FAILED;
-            if (peg$silentFails === 0) { peg$fail(peg$c34); }
-          }
-          if (s0 === peg$FAILED) {
-            if (input.substr(peg$currPos, 3) === peg$c35) {
-              s0 = peg$c35;
-              peg$currPos += 3;
-            } else {
-              s0 = peg$FAILED;
-              if (peg$silentFails === 0) { peg$fail(peg$c36); }
-            }
-            if (s0 === peg$FAILED) {
-              if (input.substr(peg$currPos, 4) === peg$c37) {
-                s0 = peg$c37;
-                peg$currPos += 4;
-              } else {
-                s0 = peg$FAILED;
-                if (peg$silentFails === 0) { peg$fail(peg$c38); }
-              }
-              if (s0 === peg$FAILED) {
-                if (input.substr(peg$currPos, 4) === peg$c39) {
-                  s0 = peg$c39;
-                  peg$currPos += 4;
-                } else {
-                  s0 = peg$FAILED;
-                  if (peg$silentFails === 0) { peg$fail(peg$c40); }
-                }
-                if (s0 === peg$FAILED) {
-                  if (input.substr(peg$currPos, 4) === peg$c41) {
-                    s0 = peg$c41;
-                    peg$currPos += 4;
-                  } else {
-                    s0 = peg$FAILED;
-                    if (peg$silentFails === 0) { peg$fail(peg$c42); }
-                  }
-                  if (s0 === peg$FAILED) {
-                    if (input.substr(peg$currPos, 5) === peg$c43) {
-                      s0 = peg$c43;
-                      peg$currPos += 5;
-                    } else {
-                      s0 = peg$FAILED;
-                      if (peg$silentFails === 0) { peg$fail(peg$c44); }
-                    }
-                    if (s0 === peg$FAILED) {
-                      if (input.substr(peg$currPos, 4) === peg$c45) {
-                        s0 = peg$c45;
-                        peg$currPos += 4;
-                      } else {
-                        s0 = peg$FAILED;
-                        if (peg$silentFails === 0) { peg$fail(peg$c46); }
-                      }
-                      if (s0 === peg$FAILED) {
-                        if (input.substr(peg$currPos, 5) === peg$c47) {
-                          s0 = peg$c47;
-                          peg$currPos += 5;
-                        } else {
-                          s0 = peg$FAILED;
-                          if (peg$silentFails === 0) { peg$fail(peg$c48); }
-                        }
-                      }
-                    }
-                  }
-                }
-              }
-            }
-          }
-        }
-      }
-
-      return s0;
-    }
-
-    function peg$parseeventType() {
-      var s0;
-
-      if (input.substr(peg$currPos, 9) === peg$c49) {
-        s0 = peg$c49;
-        peg$currPos += 9;
-      } else {
-        s0 = peg$FAILED;
-        if (peg$silentFails === 0) { peg$fail(peg$c50); }
-      }
-      if (s0 === peg$FAILED) {
-        if (input.substr(peg$currPos, 7) === peg$c51) {
-          s0 = peg$c51;
-          peg$currPos += 7;
-        } else {
-          s0 = peg$FAILED;
-          if (peg$silentFails === 0) { peg$fail(peg$c52); }
-        }
-        if (s0 === peg$FAILED) {
-          if (input.substr(peg$currPos, 5) === peg$c53) {
-            s0 = peg$c53;
-            peg$currPos += 5;
-          } else {
-            s0 = peg$FAILED;
-            if (peg$silentFails === 0) { peg$fail(peg$c54); }
-          }
-          if (s0 === peg$FAILED) {
-            if (input.substr(peg$currPos, 8) === peg$c55) {
-              s0 = peg$c55;
-              peg$currPos += 8;
-            } else {
-              s0 = peg$FAILED;
-              if (peg$silentFails === 0) { peg$fail(peg$c56); }
-            }
-            if (s0 === peg$FAILED) {
-              if (input.substr(peg$currPos, 5) === peg$c57) {
-                s0 = peg$c57;
-                peg$currPos += 5;
-              } else {
-                s0 = peg$FAILED;
-                if (peg$silentFails === 0) { peg$fail(peg$c58); }
-              }
-              if (s0 === peg$FAILED) {
-                if (input.substr(peg$currPos, 7) === peg$c59) {
-                  s0 = peg$c59;
-                  peg$currPos += 7;
-                } else {
-                  s0 = peg$FAILED;
-                  if (peg$silentFails === 0) { peg$fail(peg$c60); }
-                }
-                if (s0 === peg$FAILED) {
-                  if (input.substr(peg$currPos, 8) === peg$c61) {
-                    s0 = peg$c61;
-                    peg$currPos += 8;
-                  } else {
-                    s0 = peg$FAILED;
-                    if (peg$silentFails === 0) { peg$fail(peg$c62); }
-                  }
-                  if (s0 === peg$FAILED) {
-                    if (input.substr(peg$currPos, 5) === peg$c63) {
-                      s0 = peg$c63;
-                      peg$currPos += 5;
-                    } else {
-                      s0 = peg$FAILED;
-                      if (peg$silentFails === 0) { peg$fail(peg$c64); }
-                    }
-                    if (s0 === peg$FAILED) {
-                      if (input.substr(peg$currPos, 10) === peg$c65) {
-                        s0 = peg$c65;
-                        peg$currPos += 10;
-                      } else {
-                        s0 = peg$FAILED;
-                        if (peg$silentFails === 0) { peg$fail(peg$c66); }
-                      }
-                      if (s0 === peg$FAILED) {
-                        if (input.substr(peg$currPos, 9) === peg$c67) {
-                          s0 = peg$c67;
-                          peg$currPos += 9;
-                        } else {
-                          s0 = peg$FAILED;
-                          if (peg$silentFails === 0) { peg$fail(peg$c68); }
-                        }
-                        if (s0 === peg$FAILED) {
-                          if (input.substr(peg$currPos, 8) === peg$c69) {
-                            s0 = peg$c69;
-                            peg$currPos += 8;
-                          } else {
-                            s0 = peg$FAILED;
-                            if (peg$silentFails === 0) { peg$fail(peg$c70); }
-                          }
-                          if (s0 === peg$FAILED) {
-                            if (input.substr(peg$currPos, 9) === peg$c71) {
-                              s0 = peg$c71;
-                              peg$currPos += 9;
-                            } else {
-                              s0 = peg$FAILED;
-                              if (peg$silentFails === 0) { peg$fail(peg$c72); }
-                            }
-                            if (s0 === peg$FAILED) {
-                              if (input.substr(peg$currPos, 10) === peg$c73) {
-                                s0 = peg$c73;
-                                peg$currPos += 10;
-                              } else {
-                                s0 = peg$FAILED;
-                                if (peg$silentFails === 0) { peg$fail(peg$c74); }
-                              }
-                              if (s0 === peg$FAILED) {
-                                if (input.substr(peg$currPos, 10) === peg$c75) {
-                                  s0 = peg$c75;
-                                  peg$currPos += 10;
-                                } else {
-                                  s0 = peg$FAILED;
-                                  if (peg$silentFails === 0) { peg$fail(peg$c76); }
-                                }
-                                if (s0 === peg$FAILED) {
-                                  if (input.substr(peg$currPos, 9) === peg$c77) {
-                                    s0 = peg$c77;
-                                    peg$currPos += 9;
-                                  } else {
-                                    s0 = peg$FAILED;
-                                    if (peg$silentFails === 0) { peg$fail(peg$c78); }
-                                  }
-                                  if (s0 === peg$FAILED) {
-                                    if (input.substr(peg$currPos, 8) === peg$c79) {
-                                      s0 = peg$c79;
-                                      peg$currPos += 8;
-                                    } else {
-                                      s0 = peg$FAILED;
-                                      if (peg$silentFails === 0) { peg$fail(peg$c80); }
-                                    }
-                                  }
-                                }
-                              }
-                            }
-                          }
-                        }
-                      }
-                    }
-                  }
-                }
-              }
-            }
-          }
-        }
-      }
-
-      return s0;
-    }
-
-    function peg$parsefilter() {
-      var s0, s1, s2, s3;
-
-      s0 = peg$currPos;
-      if (input.charCodeAt(peg$currPos) === 91) {
-        s1 = peg$c5;
-        peg$currPos++;
-      } else {
-        s1 = peg$FAILED;
-        if (peg$silentFails === 0) { peg$fail(peg$c6); }
-      }
-      if (s1 !== peg$FAILED) {
-        s2 = peg$parseexpr();
-        if (s2 !== peg$FAILED) {
-          if (input.charCodeAt(peg$currPos) === 93) {
-            s3 = peg$c7;
-            peg$currPos++;
-          } else {
-            s3 = peg$FAILED;
-            if (peg$silentFails === 0) { peg$fail(peg$c8); }
-          }
-          if (s3 !== peg$FAILED) {
-            peg$reportedPos = s0;
-            s1 = peg$c81(s2);
-            s0 = s1;
-          } else {
-            peg$currPos = s0;
-            s0 = peg$c0;
-          }
-        } else {
-          peg$currPos = s0;
-          s0 = peg$c0;
-        }
-      } else {
-        peg$currPos = s0;
-        s0 = peg$c0;
-      }
-
-      return s0;
-    }
-
-    function peg$parsename() {
-      var s0, s1, s2;
-
-      s0 = peg$currPos;
-      s1 = [];
-      if (peg$c82.test(input.charAt(peg$currPos))) {
-        s2 = input.charAt(peg$currPos);
-        peg$currPos++;
-      } else {
-        s2 = peg$FAILED;
-        if (peg$silentFails === 0) { peg$fail(peg$c83); }
-      }
-      if (s2 !== peg$FAILED) {
-        while (s2 !== peg$FAILED) {
-          s1.push(s2);
-          if (peg$c82.test(input.charAt(peg$currPos))) {
-            s2 = input.charAt(peg$currPos);
-            peg$currPos++;
-          } else {
-            s2 = peg$FAILED;
-            if (peg$silentFails === 0) { peg$fail(peg$c83); }
-          }
-        }
-      } else {
-        s1 = peg$c0;
-      }
-      if (s1 !== peg$FAILED) {
-        peg$reportedPos = s0;
-        s1 = peg$c84(s1);
-      }
-      s0 = s1;
-
-      return s0;
-    }
-
-    function peg$parsecss() {
-      var s0, s1, s2;
-
-      s0 = peg$currPos;
-      s1 = [];
-      if (peg$c85.test(input.charAt(peg$currPos))) {
-        s2 = input.charAt(peg$currPos);
-        peg$currPos++;
-      } else {
-        s2 = peg$FAILED;
-        if (peg$silentFails === 0) { peg$fail(peg$c86); }
-      }
-      if (s2 !== peg$FAILED) {
-        while (s2 !== peg$FAILED) {
-          s1.push(s2);
-          if (peg$c85.test(input.charAt(peg$currPos))) {
-            s2 = input.charAt(peg$currPos);
-            peg$currPos++;
-          } else {
-            s2 = peg$FAILED;
-            if (peg$silentFails === 0) { peg$fail(peg$c86); }
-          }
-        }
-      } else {
-        s1 = peg$c0;
-      }
-      if (s1 !== peg$FAILED) {
-        peg$reportedPos = s0;
-        s1 = peg$c87(s1);
-      }
-      s0 = s1;
-
-      return s0;
-    }
-
-    function peg$parseexpr() {
-      var s0, s1, s2;
-
-      s0 = peg$currPos;
-      s1 = [];
-      if (peg$c88.test(input.charAt(peg$currPos))) {
-        s2 = input.charAt(peg$currPos);
-        peg$currPos++;
-      } else {
-        s2 = peg$FAILED;
-        if (peg$silentFails === 0) { peg$fail(peg$c89); }
-      }
-      if (s2 !== peg$FAILED) {
-        while (s2 !== peg$FAILED) {
-          s1.push(s2);
-          if (peg$c88.test(input.charAt(peg$currPos))) {
-            s2 = input.charAt(peg$currPos);
-            peg$currPos++;
-          } else {
-            s2 = peg$FAILED;
-            if (peg$silentFails === 0) { peg$fail(peg$c89); }
-          }
-        }
-      } else {
-        s1 = peg$c0;
-      }
-      if (s1 !== peg$FAILED) {
-        peg$reportedPos = s0;
-        s1 = peg$c90(s1);
-      }
-      s0 = s1;
-
-      return s0;
-    }
-
-    function peg$parsesep() {
-      var s0, s1;
-
-      s0 = [];
-      if (peg$c91.test(input.charAt(peg$currPos))) {
-        s1 = input.charAt(peg$currPos);
-        peg$currPos++;
-      } else {
-        s1 = peg$FAILED;
-        if (peg$silentFails === 0) { peg$fail(peg$c92); }
-      }
-      while (s1 !== peg$FAILED) {
-        s0.push(s1);
-        if (peg$c91.test(input.charAt(peg$currPos))) {
-          s1 = input.charAt(peg$currPos);
-          peg$currPos++;
-        } else {
-          s1 = peg$FAILED;
-          if (peg$silentFails === 0) { peg$fail(peg$c92); }
-        }
-      }
-
-      return s0;
-    }
-
-    peg$result = peg$startRuleFunction();
-
-    if (peg$result !== peg$FAILED && peg$currPos === input.length) {
-      return peg$result;
-    } else {
-      if (peg$result !== peg$FAILED && peg$currPos < input.length) {
-        peg$fail({ type: "end", description: "end of input" });
-      }
-
-      throw peg$buildException(null, peg$maxFailExpected, peg$maxFailPos);
-    }
-  }
-
-  return {
-    SyntaxError: SyntaxError,
-    parse:       parse
-  };
-})();
-},{}],96:[function(require,module,exports){
-var expr = require('vega-expression'),
-    args = ['datum', 'event', 'signals'];
-
-module.exports = expr.compiler(args, {
-  idWhiteList: args,
-  fieldVar:    args[0],
-  globalVar:   args[2],
-  functions:   function(codegen) {
-    var fn = expr.functions(codegen);
-    fn.eventItem = function() { return 'event.vg.item'; };
-    fn.eventGroup = 'event.vg.getGroup';
-    fn.eventX = 'event.vg.getX';
-    fn.eventY = 'event.vg.getY';
-    fn.open = 'window.open';
-    return fn;
-  }
-});
-},{"vega-expression":45}],97:[function(require,module,exports){
-module.exports = {
-  axes:       require('./axes'),
-  background: require('./background'),
-  data:       require('./data'),
-  events:     require('./events'),
-  expr:       require('./expr'),
-  legends:    require('./legends'),
-  mark:       require('./mark'),
-  marks:      require('./marks'),
-  modify:     require('./modify'),
-  padding:    require('./padding'),
-  predicates: require('./predicates'),
-  properties: require('./properties'),
-  signals:    require('./signals'),
-  spec:       require('./spec'),
-  streams:    require('./streams'),
-  transforms: require('./transforms')
-};
-},{"./axes":92,"./background":93,"./data":94,"./events":95,"./expr":96,"./legends":98,"./mark":99,"./marks":100,"./modify":101,"./padding":102,"./predicates":103,"./properties":104,"./signals":105,"./spec":106,"./streams":107,"./transforms":108}],98:[function(require,module,exports){
-var lgnd = require('../scene/legend');
-
-function parseLegends(model, spec, legends, group) {
-  (spec || []).forEach(function(def, index) {
-    legends[index] = legends[index] || lgnd(model);
-    parseLegend(def, index, legends[index], group);
-  });
-}
-
-function parseLegend(def, index, legend, group) {
-  // legend scales
-  legend.size  (def.size   ? group.scale(def.size)   : null);
-  legend.shape (def.shape  ? group.scale(def.shape)  : null);
-  legend.fill  (def.fill   ? group.scale(def.fill)   : null);
-  legend.stroke(def.stroke ? group.scale(def.stroke) : null);
-
-  // legend orientation
-  if (def.orient) legend.orient(def.orient);
-
-  // legend offset
-  if (def.offset != null) legend.offset(def.offset);
-
-  // legend title
-  legend.title(def.title || null);
-
-  // legend values
-  legend.values(def.values || null);
-
-  // legend label formatting
-  legend.format(def.format !== undefined ? def.format : null);
-
-  // style properties
-  var p = def.properties;
-  legend.titleProperties(p && p.title || {});
-  legend.labelProperties(p && p.labels || {});
-  legend.legendProperties(p && p.legend || {});
-  legend.symbolProperties(p && p.symbols || {});
-  legend.gradientProperties(p && p.gradient || {});
-}
-
-module.exports = parseLegends;
-},{"../scene/legend":116}],99:[function(require,module,exports){
-var dl = require('datalib'),
-    parseProperties = require('./properties');
-
-function parseMark(model, mark) {
-  var props = mark.properties,
-      group = mark.marks;
-
-  // parse mark property definitions
-  dl.keys(props).forEach(function(k) {
-    props[k] = parseProperties(model, mark.type, props[k]);
-  });
-
-  // parse delay function
-  if (mark.delay) {
-    mark.delay = parseProperties(model, mark.type, {delay: mark.delay});
-  }
-
-  // recurse if group type
-  if (group) {
-    mark.marks = group.map(function(g) { return parseMark(model, g); });
-  }
-
-  return mark;
-}
-
-module.exports = parseMark;
-},{"./properties":104,"datalib":26}],100:[function(require,module,exports){
-var parseMark = require('./mark'),
-    parseProperties = require('./properties');
-
-function parseRootMark(model, spec, width, height) {
-  return {
-    type:       'group',
-    width:      width,
-    height:     height,
-    properties: defaults(spec.scene || {}, model),
-    scales:     spec.scales  || [],
-    axes:       spec.axes    || [],
-    legends:    spec.legends || [],
-    marks:      (spec.marks || []).map(function(m) { return parseMark(model, m); })
-  };
-}
-
-var PROPERTIES = [
-  'fill', 'fillOpacity', 'stroke', 'strokeOpacity',
-  'strokeWidth', 'strokeDash', 'strokeDashOffset'
-];
-
-function defaults(spec, model) {
-  var config = model.config().scene,
-      props = {}, i, n, m, p, s;
-
-  for (i=0, n=m=PROPERTIES.length; i<n; ++i) {
-    p = PROPERTIES[i];
-    if ((s=spec[p]) !== undefined) {
-      props[p] = s.signal ? s : {value: s};
-    } else if (config[p]) {
-      props[p] = {value: config[p]};
-    } else {
-      --m;
-    }
-  }
-
-  return m ? {update: parseProperties(model, 'group', props)} : {};
-}
-
-module.exports = parseRootMark;
-},{"./mark":99,"./properties":104}],101:[function(require,module,exports){
-var dl = require('datalib'),
-    log = require('vega-logging'),
-    df = require('vega-dataflow'),
-    Node = df.Node, // jshint ignore:line
-    Tuple = df.Tuple,
-    Deps = df.Dependencies;
-
-var Types = {
-  INSERT: "insert",
-  REMOVE: "remove",
-  TOGGLE: "toggle",
-  CLEAR:  "clear"
-};
-
-var EMPTY = [];
-
-var filter = function(field, value, src, dest) {
-  for(var i = src.length-1; i >= 0; --i) {
-    if (src[i][field] == value)
-      dest.push.apply(dest, src.splice(i, 1));
-  }
-};
-
-function parseModify(model, def, ds) {
-  var signal = def.signal ? dl.field(def.signal) : null,
-      signalName = signal ? signal[0] : null,
-      predicate = def.predicate ? model.predicate(def.predicate.name || def.predicate) : null,
-      reeval = (predicate === null),
-      isClear = def.type === Types.CLEAR,
-      node = new Node(model).router(isClear);
-
-  node.evaluate = function(input) {
-    if (predicate !== null) {  // TODO: predicate args
-      var db = model.values(Deps.DATA, predicate.data || EMPTY),
-          sg = model.values(Deps.SIGNALS, predicate.signals || EMPTY);
-      reeval = predicate.call(predicate, {}, db, sg, model._predicates);
-    }
-
-    log.debug(input, [def.type+"ing", reeval]);
-    if (!reeval || (!isClear && !input.signals[signalName])) return input;
-
-    var datum = {},
-        value = signal ? model.signalRef(def.signal) : null,
-        d = model.data(ds.name),
-        t = null;
-
-    datum[def.field] = value;
-
-    // We have to modify ds._data so that subsequent pulses contain
-    // our dynamic data. W/o modifying ds._data, only the output
-    // collector will contain dynamic tuples.
-    if (def.type === Types.INSERT) {
-      t = Tuple.ingest(datum);
-      input.add.push(t);
-      d._data.push(t);
-    } else if (def.type === Types.REMOVE) {
-      filter(def.field, value, input.add, input.rem);
-      filter(def.field, value, input.mod, input.rem);
-      d._data = d._data.filter(function(x) { return x[def.field] !== value; });
-    } else if (def.type === Types.TOGGLE) {
-      var add = [], rem = [];
-      filter(def.field, value, input.rem, add);
-      filter(def.field, value, input.add, rem);
-      filter(def.field, value, input.mod, rem);
-      if (!(add.length || rem.length)) add.push(Tuple.ingest(datum));
-
-      input.add.push.apply(input.add, add);
-      d._data.push.apply(d._data, add);
-      input.rem.push.apply(input.rem, rem);
-      d._data = d._data.filter(function(x) { return rem.indexOf(x) === -1; });
-    } else if (def.type === Types.CLEAR) {
-      input.rem.push.apply(input.rem, input.add);
-      input.rem.push.apply(input.rem, input.mod);
-      input.add = [];
-      input.mod = [];
-      d._data  = [];
-    }
-
-    input.fields[def.field] = 1;
-    return input;
-  };
-
-  if (signalName) node.dependency(Deps.SIGNALS, signalName);
-
-  if (predicate) {
-    node.dependency(Deps.DATA, predicate.data);
-    node.dependency(Deps.SIGNALS, predicate.signals);
-  }
-
-  return node;
-}
-
-module.exports = parseModify;
-},{"datalib":26,"vega-dataflow":41,"vega-logging":47}],102:[function(require,module,exports){
-var dl = require('datalib');
-
-function parsePadding(pad) {
-  return pad == null ? 'auto' :
-    dl.isObject(pad) ? pad :
-    dl.isNumber(pad) ? {top:pad, left:pad, right:pad, bottom:pad} :
-    pad === 'strict' ? pad : 'auto';
-}
-
-module.exports = parsePadding;
-},{"datalib":26}],103:[function(require,module,exports){
-var dl = require('datalib');
-
-var types = {
-  '=':   parseComparator,
-  '==':  parseComparator,
-  '!=':  parseComparator,
-  '>':   parseComparator,
-  '>=':  parseComparator,
-  '<':   parseComparator,
-  '<=':  parseComparator,
-  'and': parseLogical,
-  '&&':  parseLogical,
-  'or':  parseLogical,
-  '||':  parseLogical,
-  'in':  parseIn
-};
-
-var nullScale = function() { return 0; };
-nullScale.invert = nullScale;
-
-function parsePredicates(model, spec) {
-  (spec || []).forEach(function(s) {
-    var parse = types[s.type](model, s);
-
-    /* jshint evil:true */
-    var pred  = Function("args", "db", "signals", "predicates", parse.code);
-    pred.root = function() { return model.scene().items[0]; }; // For global scales
-    pred.nullScale = nullScale;
-    pred.isFunction = dl.isFunction;
-    pred.signals = parse.signals;
-    pred.data = parse.data;
-
-    model.predicate(s.name, pred);
-  });
-
-  return spec;
-}
-
-function parseSignal(signal, signals) {
-  var s = dl.field(signal),
-      code = "signals["+s.map(dl.str).join("][")+"]";
-  signals[s[0]] = 1;
-  return code;
-}
-
-function parseOperands(model, operands) {
-  var decl = [], defs = [],
-      signals = {}, db = {};
-
-  function setSignal(s) { signals[s] = 1; }
-  function setData(d) { db[d] = 1; }
-
-  dl.array(operands).forEach(function(o, i) {
-    var name = "o" + i,
-        def = "";
-
-    if (o.value !== undefined) {
-      def = dl.str(o.value);
-    } else if (o.arg) {
-      def = "args["+dl.str(o.arg)+"]";
-    } else if (o.signal) {
-      def = parseSignal(o.signal, signals);
-    } else if (o.predicate) {
-      var ref = o.predicate,
-          predName = ref && (ref.name || ref),
-          pred = model.predicate(predName),
-          p = "predicates["+dl.str(predName)+"]";
-
-      pred.signals.forEach(setSignal);
-      pred.data.forEach(setData);
-
-      if (dl.isObject(ref)) {
-        dl.keys(ref).forEach(function(k) {
-          if (k === "name") return;
-          var i = ref[k];
-          def += "args["+dl.str(k)+"] = ";
-          if (i.signal) {
-            def += parseSignal(i.signal, signals);
-          } else if (i.arg) {
-            def += "args["+dl.str(i.arg)+"]";
-          }
-          def += ", ";
-        });
-      }
-
-      def += p+".call("+p+", args, db, signals, predicates)";
-    }
-
-    decl.push(name);
-    defs.push(name+"=("+def+")");
-  });
-
-  return {
-    code: "var " + decl.join(", ") + ";\n" + defs.join(";\n") + ";\n",
-    signals: dl.keys(signals),
-    data: dl.keys(db)
-  };
-}
-
-function parseComparator(model, spec) {
-  var ops = parseOperands(model, spec.operands);
-  if (spec.type === '=') spec.type = '==';
-
-  ops.code += "o0 = o0 instanceof Date ? o0.getTime() : o0;\n" +
-    "o1 = o1 instanceof Date ? o1.getTime() : o1;\n";
-
-  return {
-    code: ops.code + "return " + ["o0", "o1"].join(spec.type) + ";",
-    signals: ops.signals,
-    data: ops.data
-  };
-}
-
-function parseLogical(model, spec) {
-  var ops = parseOperands(model, spec.operands),
-      o = [], i = 0, len = spec.operands.length;
-
-  while (o.push("o"+i++) < len);
-  if (spec.type === 'and') spec.type = '&&';
-  else if (spec.type === 'or') spec.type = '||';
-
-  return {
-    code: ops.code + "return " + o.join(spec.type) + ";",
-    signals: ops.signals,
-    data: ops.data
-  };
-}
-
-function parseIn(model, spec) {
-  var o = [spec.item], code = "";
-  if (spec.range) o.push.apply(o, spec.range);
-  if (spec.scale) {
-    code = parseScale(spec.scale, o);
-  }
-
-  var ops = parseOperands(model, o);
-  code = ops.code + code + "\n  var ordSet = null;\n";
-
-  if (spec.data) {
-    var field = dl.field(spec.field).map(dl.str);
-    code += "var where = function(d) { return d["+field.join("][")+"] == o0 };\n";
-    code += "return db["+dl.str(spec.data)+"].filter(where).length > 0;";
-  } else if (spec.range) {
-    // TODO: inclusive/exclusive range?
-    if (spec.scale) {
-      code += "if (scale.length == 2) {\n" + // inverting ordinal scales
-        "  ordSet = scale(o1, o2);\n" +
-        "} else {\n" +
-        "  o1 = scale(o1);\no2 = scale(o2);\n" +
-        "}";
-    }
-
-    code += "return ordSet !== null ? ordSet.indexOf(o0) !== -1 :\n" +
-      "  o1 < o2 ? o1 <= o0 && o0 <= o2 : o2 <= o0 && o0 <= o1;";
-  }
-
-  return {
-    code: code,
-    signals: ops.signals,
-    data: ops.data.concat(spec.data ? [spec.data] : [])
-  };
-}
-
-// Populate ops such that ultimate scale/inversion function will be in `scale` var.
-function parseScale(spec, ops) {
-  var code = "var scale = ",
-      idx  = ops.length;
-
-  if (dl.isString(spec)) {
-    ops.push({ value: spec });
-    code += "this.root().scale(o"+idx+")";
-  } else if (spec.arg) {  // Scale function is being passed as an arg
-    ops.push(spec);
-    code += "o"+idx;
-  } else if (spec.name) { // Full scale parameter {name: ..}
-    ops.push(dl.isString(spec.name) ? {value: spec.name} : spec.name);
-    code += "(this.isFunction(o"+idx+") ? o"+idx+" : ";
-    if (spec.scope) {
-      ops.push(spec.scope);
-      code += "((o"+(idx+1)+".scale || this.root().scale)(o"+idx+") || this.nullScale)";
-    } else {
-      code += "this.root().scale(o"+idx+")";
-    }
-    code += ")";
-  }
-
-  if (spec.invert === true) {  // Allow spec.invert.arg?
-    code += ".invert";
-  }
-
-  return code+";\n";
-}
-
-module.exports = parsePredicates;
-},{"datalib":26}],104:[function(require,module,exports){
-(function (global){
-var d3 = (typeof window !== "undefined" ? window['d3'] : typeof global !== "undefined" ? global['d3'] : null),
-    dl = require('datalib'),
-    log = require('vega-logging'),
-    Tuple = require('vega-dataflow').Tuple;
-
-var DEPS = ["signals", "scales", "data", "fields"];
-
-function properties(model, mark, spec) {
-  var config = model.config(),
-      code = "",
-      names = dl.keys(spec),
-      i, len, name, ref, vars = {},
-      deps = {
-        signals: {},
-        scales:  {},
-        data:    {},
-        fields:  {},
-        nested:  [],
-        _nRefs:  {},  // Temp stash to de-dupe nested refs.
-        reflow:  false
-      };
-
-  code += "var o = trans ? {} : item, d=0, set=this.tpl.set, tmpl=signals||{}, t;\n" +
-          // Stash for dl.template
-          "tmpl.datum  = item.datum;\n" +
-          "tmpl.group  = group;\n" +
-          "tmpl.parent = group.datum;\n";
-
-  function handleDep(p) {
-    if (ref[p] == null) return;
-    var k = dl.array(ref[p]), i, n;
-    for (i=0, n=k.length; i<n; ++i) {
-      deps[p][k[i]] = 1;
-    }
-  }
-
-  function handleNestedRefs(r) {
-    var k = (r.parent ? "parent_" : "group_")+r.level;
-    deps._nRefs[k] = r;
-  }
-
-  for (i=0, len=names.length; i<len; ++i) {
-    ref = spec[name = names[i]];
-    code += (i > 0) ? "\n  " : "  ";
-    if (ref.rule) {
-      ref = rule(model, name, ref.rule);
-      code += "\n  " + ref.code;
-    } else if (dl.isArray(ref)) {
-      ref = rule(model, name, ref);
-      code += "\n  " + ref.code;
-    } else {
-      ref = valueRef(config, name, ref);
-      code += "d += set(o, "+dl.str(name)+", "+ref.val+");";
-    }
-
-    vars[name] = true;
-    DEPS.forEach(handleDep);
-    deps.reflow = deps.reflow || ref.reflow;
-    if (ref.nested.length) ref.nested.forEach(handleNestedRefs);
-  }
-
-  // If nested references are present, sort them based on their level
-  // to speed up determination of whether encoders should be reeval'd.
-  dl.keys(deps._nRefs).forEach(function(k) { deps.nested.push(deps._nRefs[k]); });
-  deps.nested.sort(function(a, b) {
-    a = a.level;
-    b = b.level;
-    return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
-  });
-
-  if (vars.x2) {
-    if (vars.x) {
-      code += "\n  if (o.x > o.x2) { " +
-              "\n    t = o.x;" +
-              "\n    d += set(o, 'x', o.x2);" +
-              "\n    d += set(o, 'x2', t); " +
-              "\n  };";
-      code += "\n  d += set(o, 'width', (o.x2 - o.x));";
-    } else if (vars.width) {
-      code += "\n  d += set(o, 'x', (o.x2 - o.width));";
-    } else {
-      code += "\n  d += set(o, 'x', o.x2);";
-    }
-  }
-
-  if (vars.xc) {
-    if (vars.width) {
-      code += "\n  d += set(o, 'x', (o.xc - o.width/2));" ;
-    } else {
-      code += "\n  d += set(o, 'x', o.xc);" ;
-    }
-  }
-
-  if (vars.y2) {
-    if (vars.y) {
-      code += "\n  if (o.y > o.y2) { " +
-              "\n    t = o.y;" +
-              "\n    d += set(o, 'y', o.y2);" +
-              "\n    d += set(o, 'y2', t);" +
-              "\n  };";
-      code += "\n  d += set(o, 'height', (o.y2 - o.y));";
-    } else if (vars.height) {
-      code += "\n  d += set(o, 'y', (o.y2 - o.height));";
-    } else {
-      code += "\n  d += set(o, 'y', o.y2);";
-    }
-  }
-
-  if (vars.yc) {
-    if (vars.height) {
-      code += "\n  d += set(o, 'y', (o.yc - o.height/2));" ;
-    } else {
-      code += "\n  d += set(o, 'y', o.yc);" ;
-    }
-  }
-
-  if (hasPath(mark, vars)) code += "\n  d += (item.touch(), 1);";
-  code += "\n  if (trans) trans.interpolate(item, o);";
-  code += "\n  return d > 0;";
-
-  try {
-    /* jshint evil:true */
-    var encoder = Function('item', 'group', 'trans', 'db',
-      'signals', 'predicates', code);
-    encoder.tpl  = Tuple;
-    encoder.util = dl;
-    encoder.d3   = d3; // For color spaces
-    dl.extend(encoder, dl.template.context);
-    return {
-      encode:  encoder,
-      signals: dl.keys(deps.signals),
-      scales:  dl.keys(deps.scales),
-      data:    dl.keys(deps.data),
-      fields:  dl.keys(deps.fields),
-      nested:  deps.nested,
-      reflow:  deps.reflow
-    };
-  } catch (e) {
-    log.error(e);
-    log.log(code);
-  }
-}
-
-function dependencies(a, b) {
-  if (!dl.isObject(a)) {
-    a = {reflow: false, nested: []};
-    DEPS.forEach(function(d) { a[d] = []; });
-  }
-
-  if (dl.isObject(b)) {
-    a.reflow = a.reflow || b.reflow;
-    a.nested.push.apply(a.nested, b.nested);
-    DEPS.forEach(function(d) { a[d].push.apply(a[d], b[d]); });
-  }
-
-  return a;
-}
-
-function hasPath(mark, vars) {
-  return vars.path ||
-    ((mark==='area' || mark==='line') &&
-      (vars.x || vars.x2 || vars.width ||
-       vars.y || vars.y2 || vars.height ||
-       vars.tension || vars.interpolate));
-}
-
-function rule(model, name, rules) {
-  var config  = model.config(),
-      deps = dependencies(),
-      inputs  = [], code = '';
-
-  (rules||[]).forEach(function(r, i) {
-    var def = r.predicate,
-        predName = def && (def.name || def),
-        pred = model.predicate(predName),
-        p = 'predicates['+dl.str(predName)+']',
-        input = [], args = name+'_arg'+i,
-        ref;
-
-    if (dl.isObject(def)) {
-      dl.keys(def).forEach(function(k) {
-        if (k === 'name') return;
-        var ref = valueRef(config, i, def[k]);
-        input.push(dl.str(k)+': '+ref.val);
-        dependencies(deps, ref);
-      });
-    }
-
-    ref = valueRef(config, name, r);
-    dependencies(deps, ref);
-
-    if (predName) {
-      deps.signals.push.apply(deps.signals, pred.signals);
-      deps.data.push.apply(deps.data, pred.data);
-      inputs.push(args+" = {\n    "+input.join(",\n    ")+"\n  }");
-      code += "if ("+p+".call("+p+","+args+", db, signals, predicates)) {" +
-        "\n    d += set(o, "+dl.str(name)+", "+ref.val+");";
-      code += rules[i+1] ? "\n  } else " : "  }";
-    } else {
-      code += "{" +
-        "\n    d += set(o, "+dl.str(name)+", "+ref.val+");"+
-        "\n  }\n";
-    }
-  });
-
-  code = "var " + inputs.join(",\n      ") + ";\n  " + code;
-  return (deps.code = code, deps);
-}
-
-function valueRef(config, name, ref) {
-  if (ref == null) return null;
-
-  if (name==='fill' || name==='stroke') {
-    if (ref.c) {
-      return colorRef(config, 'hcl', ref.h, ref.c, ref.l);
-    } else if (ref.h || ref.s) {
-      return colorRef(config, 'hsl', ref.h, ref.s, ref.l);
-    } else if (ref.l || ref.a) {
-      return colorRef(config, 'lab', ref.l, ref.a, ref.b);
-    } else if (ref.r || ref.g || ref.b) {
-      return colorRef(config, 'rgb', ref.r, ref.g, ref.b);
-    }
-  }
-
-  // initialize value
-  var val = null, scale = null,
-      deps = dependencies(),
-      sgRef = null, fRef = null, sRef = null, tmpl = {};
-
-  if (ref.template !== undefined) {
-    val = dl.template.source(ref.template, 'tmpl', tmpl);
-    dl.keys(tmpl).forEach(function(k) {
-      var f = dl.field(k),
-          a = f.shift();
-      if (a === 'parent' || a === 'group') {
-        deps.nested.push({
-          parent: a === 'parent',
-          group:  a === 'group',
-          level:  1
-        });
-      } else if (a === 'datum') {
-        deps.fields.push(f[0]);
-      } else {
-        deps.signals.push(a);
-      }
-    });
-  }
-
-  if (ref.value !== undefined) {
-    val = dl.str(ref.value);
-  }
-
-  if (ref.signal !== undefined) {
-    sgRef = dl.field(ref.signal);
-    val = 'signals['+sgRef.map(dl.str).join('][')+']';
-    deps.signals.push(sgRef.shift());
-  }
-
-  if (ref.field !== undefined) {
-    ref.field = dl.isString(ref.field) ? {datum: ref.field} : ref.field;
-    fRef = fieldRef(ref.field);
-    val  = fRef.val;
-    dependencies(deps, fRef);
-  }
-
-  if (ref.scale !== undefined) {
-    sRef  = scaleRef(ref.scale);
-    scale = sRef.val;
-    dependencies(deps, sRef);
-    deps.scales.push(ref.scale.name || ref.scale);
-
-    // run through scale function if val specified.
-    // if no val, scale function is predicate arg.
-    if (val !== null || ref.band || ref.mult || ref.offset) {
-      val = scale + (ref.band ? '.rangeBand()' :
-        '('+(val !== null ? val : 'item.datum.data')+')');
-    } else {
-      val = scale;
-    }
-  }
-
-  // multiply, offset, return value
-  val = '(' + (ref.mult?(dl.number(ref.mult)+' * '):'') + val + ')' +
-        (ref.offset ? ' + ' + dl.number(ref.offset) : '');
-
-  // Collate dependencies
-  return (deps.val = val, deps);
-}
-
-function colorRef(config, type, x, y, z) {
-  var xx = x ? valueRef(config, '', x) : config.color[type][0],
-      yy = y ? valueRef(config, '', y) : config.color[type][1],
-      zz = z ? valueRef(config, '', z) : config.color[type][2],
-      deps = dependencies();
-
-  [xx, yy, zz].forEach(function(v) {
-    if (dl.isArray) return;
-    dependencies(deps, v);
-  });
-
-  var val = '(this.d3.' + type + '(' + [xx.val, yy.val, zz.val].join(',') + ') + "")';
-  return (deps.val = val, deps);
-}
-
-// {field: {datum: "foo"} }  -> item.datum.foo
-// {field: {group: "foo"} }  -> group.foo
-// {field: {parent: "foo"} } -> group.datum.foo
-function fieldRef(ref) {
-  if (dl.isString(ref)) {
-    return {val: dl.field(ref).map(dl.str).join('][')};
-  }
-
-  // Resolve nesting/parent lookups
-  var l = ref.level || 1,
-      nested = (ref.group || ref.parent) && l,
-      scope = nested ? Array(l).join('group.mark.') : '',
-      r = fieldRef(ref.datum || ref.group || ref.parent || ref.signal),
-      val = r.val,
-      deps = dependencies(null, r);
-
-  if (ref.datum) {
-    val = 'item.datum['+val+']';
-    deps.fields.push(ref.datum);
-  } else if (ref.group) {
-    val = scope+'group['+val+']';
-    deps.nested.push({ level: l, group: true });
-  } else if (ref.parent) {
-    val = scope+'group.datum['+val+']';
-    deps.nested.push({ level: l, parent: true });
-  } else if (ref.signal) {
-    val = 'signals['+val+']';
-    deps.signals.push(dl.field(ref.signal)[0]);
-    deps.reflow = true;
-  }
-
-  return (deps.val = val, deps);
-}
-
-// {scale: "x"}
-// {scale: {name: "x"}},
-// {scale: fieldRef}
-function scaleRef(ref) {
-  var scale = null,
-      fr = null,
-      deps = dependencies();
-
-  if (dl.isString(ref)) {
-    scale = dl.str(ref);
-  } else if (ref.name) {
-    scale = dl.isString(ref.name) ? dl.str(ref.name) : (fr = fieldRef(ref.name)).val;
-  } else {
-    scale = (fr = fieldRef(ref)).val;
-  }
-
-  scale = '(item.mark._scaleRefs['+scale+'] = 1, group.scale('+scale+'))';
-  if (ref.invert) scale += '.invert';
-
-  // Mark scale refs as they're dealt with separately in mark._scaleRefs.
-  if (fr) fr.nested.forEach(function(g) { g.scale = true; });
-  return fr ? (fr.val = scale, fr) : (deps.val = scale, deps);
-}
-
-module.exports = properties;
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-
-},{"datalib":26,"vega-dataflow":41,"vega-logging":47}],105:[function(require,module,exports){
-var dl = require('datalib'),
-    SIGNALS = require('vega-dataflow').Dependencies.SIGNALS,
-    expr = require('./expr');
-
-var RESERVED = ['datum', 'event', 'signals', 'width', 'height', 'padding']
-  .concat(dl.keys(expr.codegen.functions));
-
-function parseSignals(model, spec) {
-  // process each signal definition
-  (spec || []).forEach(function(s) {
-    if (RESERVED.indexOf(s.name) !== -1) {
-      throw Error('Signal name "'+s.name+'" is a '+
-        'reserved keyword ('+RESERVED.join(', ')+').');
-    }
-
-    var signal = model.signal(s.name, s.init)
-      .verbose(s.verbose);
-
-    if (s.init && s.init.expr) {
-      s.init.expr = expr(s.init.expr);
-      signal.value(exprVal(model, s.init));
-    }
-
-    if (s.expr) {
-      s.expr = expr(s.expr);
-      signal.evaluate = function(input) {
-        var val = exprVal(model, s),
-            sg  = input.signals;
-        if (val !== signal.value() || signal.verbose()) {
-          signal.value(val);
-          sg[s.name] = 1;
-        }
-        return sg[s.name] ? input : model.doNotPropagate;
-      };
-      signal.dependency(SIGNALS, s.expr.globals);
-      s.expr.globals.forEach(function(dep) {
-        model.signal(dep).addListener(signal);
-      });
-    }
-  });
-
-  return spec;
-}
-
-function exprVal(model, spec) {
-  var e = spec.expr,
-      val = e.fn(null, null, model.values(SIGNALS, e.globals));
-  return spec.scale ? parseSignals.scale(model, spec, val) : val;
-}
-
-parseSignals.scale = function scale(model, spec, value, datum, evt) {
-  var def = spec.scale,
-      name  = def.name || def.signal || def,
-      scope = def.scope, e;
-
-  if (scope) {
-    if (scope.signal) {
-      scope = model.signalRef(scope.signal);
-    } else if (dl.isString(scope)) { // Scope is an expression
-      e = def._expr = (def._expr || expr(scope));
-      scope = e.fn(datum, evt, model.values(SIGNALS, e.globals));
-    }
-  }
-
-  if (!scope || !scope.scale) {
-    scope = (scope && scope.mark) ? scope.mark.group : model.scene().items[0];
-  }
-
-  var s = scope.scale(name);
-  return !s ? value : (def.invert ? s.invert(value) : s(value));
-};
-
-module.exports = parseSignals;
-},{"./expr":96,"datalib":26,"vega-dataflow":41}],106:[function(require,module,exports){
-var dl = require('datalib'),
-    log = require('vega-logging'),
-    Model = require('../core/Model'),
-    View = require('../core/View');
-
-function parseSpec(spec, callback) {
-  var vf = arguments[arguments.length-1],
-      viewFactory = arguments.length > 2 && dl.isFunction(vf) ? vf : View.factory,
-      config = arguments[2] !== viewFactory ? arguments[2] : {},
-      model = new Model(config);
-
-  function parse(spec) {
-    // protect against subsequent spec modification
-    spec = dl.duplicate(spec);
-
-    var parsers = require('./'),
-        create  = function() { callback(viewFactory(model)); },
-        width   = spec.width || 500,
-        height  = spec.height || 500,
-        padding = parsers.padding(spec.padding);
-
-    // create signals for width, height and padding
-    model.signal('width', width);
-    model.signal('height', height);
-    model.signal('padding', padding);
-
-    // initialize model
-    model.defs({
-      width:      width,
-      height:     height,
-      padding:    padding,
-      viewport:   spec.viewport || null,
-      background: parsers.background(spec.background),
-      signals:    parsers.signals(model, spec.signals),
-      predicates: parsers.predicates(model, spec.predicates),
-      marks:      parsers.marks(model, spec, width, height),
-      data:       parsers.data(model, spec.data, create)
-    });
-  }
-
-  if (dl.isObject(spec)) {
-    parse(spec);
-  } else if (dl.isString(spec)) {
-    var opts = dl.extend({url: spec}, model.config().load);
-    dl.load(opts, function(err, data) {
-      if (err) {
-        log.error('LOADING SPECIFICATION FAILED: ' + err.statusText);
-      } else {
-        try {
-          parse(JSON.parse(data));
-        } catch (e) {
-          log.error('INVALID SPECIFICATION: Must be a valid JSON object. '+e);
-        }
-      }
-    });
-  } else {
-    log.error('INVALID SPECIFICATION: Must be a valid JSON object or URL.');
-  }
-}
-
-module.exports = parseSpec;
-},{"../core/Model":88,"../core/View":89,"./":97,"datalib":26,"vega-logging":47}],107:[function(require,module,exports){
-(function (global){
-var d3 = (typeof window !== "undefined" ? window['d3'] : typeof global !== "undefined" ? global['d3'] : null),
-    dl = require('datalib'),
-    df = require('vega-dataflow'),
-    SIGNALS = df.Dependencies.SIGNALS,
-    parseSignals = require('./signals'),
-    selector = require('./events'),
-    expr = require('./expr');
-
-var GATEKEEPER = '_vgGATEKEEPER';
-
-var vgEvent = {
-  getGroup: function(name) { return name ? this.name[name] : this.group; },
-  getXY: function(item) {
-      var p = {x: this.x, y: this.y};
-      if (typeof item === 'string') {
-        item = this.name[item];
-      }
-      for (; item; item = item.mark && item.mark.group) {
-        p.x -= item.x || 0;
-        p.y -= item.y || 0;
-      }
-      return p;
-    },
-  getX: function(item) { return this.getXY(item).x; },
-  getY: function(item) { return this.getXY(item).y; }
-};
-
-function parseStreams(view) {
-  var model = view.model(),
-      spec  = model.defs().signals,
-      registry = {handlers: {}, nodes: {}},
-      internal = dl.duplicate(registry),  // Internal event processing
-      external = dl.duplicate(registry);  // External event processing
-
-  (spec || []).forEach(function(sig) {
-    var signal = model.signal(sig.name);
-    if (sig.expr) return;  // Cannot have an expr and stream definition.
-
-    (sig.streams || []).forEach(function(stream) {
-      var sel = selector.parse(stream.type),
-          exp = expr(stream.expr);
-      mergedStream(signal, sel, exp, stream);
-    });
-  });
-
-  // We register the event listeners all together so that if multiple
-  // signals are registered on the same event, they will receive the
-  // new value on the same pulse.
-  dl.keys(internal.handlers).forEach(function(type) {
-    view.on(type, function(evt, item) {
-      evt.preventDefault(); // stop text selection
-      extendEvent(evt, item);
-      fire(internal, type, (item && item.datum) || {}, evt);
-    });
-  });
-
-  // add external event listeners
-  dl.keys(external.handlers).forEach(function(type) {
-    if (typeof window === 'undefined') return; // No external support
-
-    var h = external.handlers[type],
-        t = type.split(':'), // --> no element pseudo-selectors
-        elt = (t[0] === 'window') ? [window] :
-              window.document.querySelectorAll(t[0]);
-
-    function handler(evt) {
-      extendEvent(evt);
-      fire(external, type, d3.select(this).datum(), evt);
-    }
-
-    for (var i=0; i<elt.length; ++i) {
-      elt[i].addEventListener(t[1], handler);
-    }
-
-    h.elements = elt;
-    h.listener = handler;
-  });
-
-  // remove external event listeners
-  external.detach = function() {
-    dl.keys(external.handlers).forEach(function(type) {
-      var h = external.handlers[type],
-          t = type.split(':'),
-          elt = h.elements || [];
-
-      for (var i=0; i<elt.length; ++i) {
-        elt[i].removeEventListener(t[1], h.listener);
-      }
-    });
-  };
-
-  // export detach method
-  return external.detach;
-
-  // -- helper functions -----
-
-  function extendEvent(evt, item) {
-    var mouse = d3.mouse((d3.event=evt, view.renderer().scene())),
-        pad = view.padding(),
-        names = {}, mark, group, i;
-
-    if (item) {
-      mark = item.mark;
-      group = mark.marktype === 'group' ? item : mark.group;
-      for (i=item; i!=null; i=i.mark.group) {
-        if (i.mark.def.name) {
-          names[i.mark.def.name] = i;
-        }
-      }
-    }
-    names.root = view.model().scene().items[0];
-
-    evt.vg = Object.create(vgEvent);
-    evt.vg.group = group;
-    evt.vg.item = item || {};
-    evt.vg.name = names;
-    evt.vg.x = mouse[0] - pad.left;
-    evt.vg.y = mouse[1] - pad.top;
-  }
-
-  function fire(registry, type, datum, evt) {
-    var handlers = registry.handlers[type],
-        node = registry.nodes[type],
-        cs = df.ChangeSet.create(null, true),
-        filtered = false,
-        val, i, n, h;
-
-    function invoke(f) {
-      return !f.fn(datum, evt, model.values(SIGNALS, f.globals));
-    }
-
-    for (i=0, n=handlers.length; i<n; ++i) {
-      h = handlers[i];
-      filtered = h.filters.some(invoke);
-      if (filtered) continue;
-
-      val = h.exp.fn(datum, evt, model.values(SIGNALS, h.exp.globals));
-      if (h.spec.scale) {
-        val = parseSignals.scale(model, h.spec, val, datum, evt);
-      }
-
-      if (val !== h.signal.value() || h.signal.verbose()) {
-        h.signal.value(val);
-        cs.signals[h.signal.name()] = 1;
-      }
-    }
-
-    model.propagate(cs, node);
-  }
-
-  function mergedStream(sig, selector, exp, spec) {
-    selector.forEach(function(s) {
-      if (s.event)       domEvent(sig, s, exp, spec);
-      else if (s.signal) signal(sig, s, exp, spec);
-      else if (s.start)  orderedStream(sig, s, exp, spec);
-      else if (s.stream) mergedStream(sig, s.stream, exp, spec);
-    });
-  }
-
-  function domEvent(sig, selector, exp, spec) {
-    var evt = selector.event,
-        name = selector.name,
-        mark = selector.mark,
-        target   = selector.target,
-        filters  = selector.filters || [],
-        registry = target ? external : internal,
-        type = target ? target+':'+evt : evt,
-        node = registry.nodes[type] || (registry.nodes[type] = new df.Node(model)),
-        handlers = registry.handlers[type] || (registry.handlers[type] = []);
-
-    if (name) {
-      filters.push('!!event.vg.name["' + name + '"]'); // Mimic event bubbling
-    } else if (mark) {
-      filters.push('event.vg.item.mark && event.vg.item.mark.marktype==='+dl.str(mark));
-    }
-
-    handlers.push({
-      signal: sig,
-      exp: exp,
-      spec: spec,
-      filters: filters.map(function(f) { return expr(f); })
-    });
-
-    node.addListener(sig);
-  }
-
-  function signal(sig, selector, exp, spec) {
-    var n = new df.Node(model);
-    n.evaluate = function(input) {
-      if (!input.signals[selector.signal]) return model.doNotPropagate;
-      var val = exp.fn(null, null, model.values(SIGNALS, exp.globals));
-      if (spec.scale) {
-        val = parseSignals.scale(model, spec, val);
-      }
-
-      if (val !== sig.value() || sig.verbose()) {
-        sig.value(val);
-        input.signals[sig.name()] = 1;
-        input.reflow = true;
-      }
-
-      return input;
-    };
-    n.dependency(df.Dependencies.SIGNALS, selector.signal);
-    n.addListener(sig);
-    model.signal(selector.signal).addListener(n);
-  }
-
-  function orderedStream(sig, selector, exp, spec) {
-    var name = sig.name(),
-        gk = name + GATEKEEPER,
-        trueFn  = expr('true'),
-        falseFn = expr('false'),
-        middle  = selector.middle,
-        filters = middle.filters || (middle.filters = []),
-        gatekeeper = model.signal(gk) || model.signal(gk, false);
-
-    // Register an anonymous signal to act as a gatekeeper. Its value is
-    // true or false depending on whether the start or end streams occur.
-    // The middle signal then simply filters for the gatekeeper's value.
-    mergedStream(gatekeeper, [selector.start], trueFn, {});
-    mergedStream(gatekeeper, [selector.end], falseFn, {});
-
-    filters.push(gatekeeper.name());
-    mergedStream(sig, [selector.middle], exp, spec);
-  }
-}
-
-module.exports = parseStreams;
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-
-},{"./events":95,"./expr":96,"./signals":105,"datalib":26,"vega-dataflow":41}],108:[function(require,module,exports){
-var dl = require('datalib'),
-    transforms = require('../transforms/index');
-
-function parseTransforms(model, def) {
-  var tx = new transforms[def.type](model);
-
-  // We want to rename output fields before setting any other properties,
-  // as subsequent properties may require output to be set (e.g. group by).
-  if(def.output) tx.output(def.output);
-
-  dl.keys(def).forEach(function(k) {
-    if(k === 'type' || k === 'output') return;
-    tx.param(k, def[k]);
-  });
-
-  return tx;
-}
-
-module.exports = parseTransforms;
-},{"../transforms/index":144,"datalib":26}],109:[function(require,module,exports){
-var dl = require('datalib'),
-    df = require('vega-dataflow'),
-    Node = df.Node, // jshint ignore:line
-    log = require('vega-logging'),
-    bound = require('vega-scenegraph').bound,
-    Encoder = require('./Encoder');
-
-function Bounder(graph, mark) {
-  this._mark = mark;
-  return Node.prototype.init.call(this, graph)
-    .router(true)
-    .reflows(true)
-    .mutates(true);
-}
-
-var proto = (Bounder.prototype = new Node());
-
-proto.evaluate = function(input) {
-  log.debug(input, ['bounds', this._mark.marktype]);
-
-  var type  = this._mark.marktype,
-      isGrp = type === 'group',
-      items = this._mark.items,
-      hasLegends = dl.array(this._mark.def.legends).length > 0,
-      i, ilen, j, jlen, group, legend;
-
-  if (input.add.length || input.rem.length || !items.length ||
-      input.mod.length === items.length ||
-      type === 'area' || type === 'line') {
-    bound.mark(this._mark, null, isGrp && !hasLegends);
-  } else {
-    input.mod.forEach(function(item) { bound.item(item); });
-  }
-
-  if (isGrp && hasLegends) {
-    for (i=0, ilen=items.length; i<ilen; ++i) {
-      group = items[i];
-      group._legendPositions = null;
-      for (j=0, jlen=group.legendItems.length; j<jlen; ++j) {
-        legend = group.legendItems[j];
-        Encoder.update(this._graph, input.trans, 'legendPosition', legend.items, input.dirty);
-        bound.mark(legend, null, false);
-      }
-    }
-
-    bound.mark(this._mark, null, true);
-  }
-
-  return df.ChangeSet.create(input, true);
-};
-
-module.exports = Bounder;
-},{"./Encoder":111,"datalib":26,"vega-dataflow":41,"vega-logging":47,"vega-scenegraph":48}],110:[function(require,module,exports){
-var dl = require('datalib'),
-    log = require('vega-logging'),
-    Item = require('vega-scenegraph').Item,
-    df = require('vega-dataflow'),
-    Node = df.Node, // jshint ignore:line
-    Deps = df.Dependencies,
-    Tuple = df.Tuple,
-    ChangeSet = df.ChangeSet,
-    Sentinel = {},
-    Encoder  = require('./Encoder'),
-    Bounder  = require('./Bounder'),
-    parseData = require('../parse/data');
-
-function Builder() {
-  return arguments.length ? this.init.apply(this, arguments) : this;
-}
-
-var Status = Builder.STATUS = {
-  ENTER:  'enter',
-  UPDATE: 'update',
-  EXIT:   'exit'
-};
-
-var CONNECTED = 1, DISCONNECTED = 2;
-
-var proto = (Builder.prototype = new Node());
-
-proto.init = function(graph, def, mark, parent, parent_id, inheritFrom) {
-  Node.prototype.init.call(this, graph)
-    .router(true)
-    .collector(true);
-
-  this._def   = def;
-  this._mark  = mark;
-  this._from  = (def.from ? def.from.data : null) || inheritFrom;
-  this._ds    = dl.isString(this._from) ? graph.data(this._from) : null;
-  this._map   = {};
-  this._status = null; // Connected or disconnected?
-
-  mark.def = def;
-  mark.marktype = def.type;
-  mark.interactive = (def.interactive !== false);
-  mark.items = [];
-  if (dl.isValid(def.name)) mark.name = def.name;
-
-  this._parent = parent;
-  this._parent_id = parent_id;
-
-  if (def.from && (def.from.mark || def.from.transform || def.from.modify)) {
-    inlineDs.call(this);
-  }
-
-  // Non-group mark builders are super nodes. Encoder and Bounder remain
-  // separate operators but are embedded and called by Builder.evaluate.
-  this._isSuper = (this._def.type !== 'group');
-  this._encoder = new Encoder(this._graph, this._mark, this);
-  this._bounder = new Bounder(this._graph, this._mark);
-  this._output  = null; // Output changeset for reactive geom as Bounder reflows
-
-  if (this._ds) { this._encoder.dependency(Deps.DATA, this._from); }
-
-  // Since Builders are super nodes, copy over encoder dependencies
-  // (bounder has no registered dependencies).
-  this.dependency(Deps.DATA, this._encoder.dependency(Deps.DATA));
-  this.dependency(Deps.SCALES, this._encoder.dependency(Deps.SCALES));
-  this.dependency(Deps.SIGNALS, this._encoder.dependency(Deps.SIGNALS));
-
-  return this;
-};
-
-// Reactive geometry and mark-level transformations are handled here
-// because they need their group's data-joined context.
-function inlineDs() {
-  var from = this._def.from,
-      geom = from.mark,
-      src, name, spec, sibling, output, input;
-
-  if (geom) {
-    name = ['vg', this._parent_id, geom].join('_');
-    spec = {
-      name: name,
-      transform: from.transform,
-      modify: from.modify
-    };
-  } else {
-    src = this._graph.data(this._from);
-    name = ['vg', this._from, this._def.type, src.listeners(true).length].join('_');
-    spec = {
-      name: name,
-      source: this._from,
-      transform: from.transform,
-      modify: from.modify
-    };
-  }
-
-  this._from = name;
-  this._ds = parseData.datasource(this._graph, spec);
-  var node;
-
-  if (geom) {
-    sibling = this.sibling(geom);
-
-    // Bounder reflows, so we need an intermediary node to propagate
-    // the output constructed by the Builder.
-    node = new Node(this._graph).addListener(this._ds.listener());
-    node.evaluate = function() { return sibling._output; };
-
-    if (sibling._isSuper) {
-      sibling.addListener(node);
-    } else {
-      sibling._bounder.addListener(node);
-    }
-  } else {
-    // At this point, we have a new datasource but it is empty as
-    // the propagation cycle has already crossed the datasources.
-    // So, we repulse just this datasource. This should be safe
-    // as the ds isn't connected to the scenegraph yet.
-    output = this._ds.source().last();
-    input  = ChangeSet.create(output);
-
-    input.add = output.add;
-    input.mod = output.mod;
-    input.rem = output.rem;
-    input.stamp = null;
-    this._graph.propagate(input, this._ds.listener(), output.stamp);
-  }
-}
-
-proto.ds = function() { return this._ds; };
-proto.parent   = function() { return this._parent; };
-proto.encoder  = function() { return this._encoder; };
-proto.pipeline = function() { return [this]; };
-
-proto.connect = function() {
-  var builder = this;
-
-  this._graph.connect(this.pipeline());
-  this._encoder._scales.forEach(function(s) {
-    if (!(s = builder._parent.scale(s))) return;
-    s.addListener(builder);
-  });
-
-  if (this._parent) {
-    if (this._isSuper) this.addListener(this._parent._collector);
-    else this._bounder.addListener(this._parent._collector);
-  }
-
-  return (this._status = CONNECTED, this);
-};
-
-proto.disconnect = function() {
-  var builder = this;
-  if (!this._listeners.length) return this;
-
-  function disconnectScales(scales) {
-    for(var i=0, len=scales.length, s; i<len; ++i) {
-      if (!(s = builder._parent.scale(scales[i]))) continue;
-      s.removeListener(builder);
-    }
-  }
-
-  Node.prototype.disconnect.call(this);
-  this._graph.disconnect(this.pipeline());
-  disconnectScales(this._encoder._scales);
-  disconnectScales(dl.keys(this._mark._scaleRefs));
-
-  return (this._status = DISCONNECTED, this);
-};
-
-proto.sibling = function(name) {
-  return this._parent.child(name, this._parent_id);
-};
-
-proto.evaluate = function(input) {
-  log.debug(input, ['building', (this._from || this._def.from), this._def.type]);
-
-  var self = this,
-      def = this._mark.def,
-      props  = def.properties || {},
-      update = props.update   || {},
-      output = ChangeSet.create(input),
-      fullUpdate, fcs, data, name;
-
-  if (this._ds) {
-    // We need to determine if any encoder dependencies have been updated.
-    // However, the encoder's data source will likely be updated, and shouldn't
-    // trigger all items to mod.
-    data = output.data[(name=this._ds.name())];
-    output.data[name] = null;
-    fullUpdate = this._encoder.reevaluate(output);
-    output.data[name] = data;
-
-    fcs = this._ds.last();
-    if (!fcs) throw Error('Builder evaluated before backing DataSource.');
-    if (fcs.stamp > this._stamp) {
-      join.call(this, fcs, output, this._ds.values(), true, fullUpdate);
-    } else if (fullUpdate) {
-      output.mod = this._mark.items.slice();
-    }
-  } else {
-    data = dl.isFunction(this._def.from) ? this._def.from() : [Sentinel];
-    join.call(this, input, output, data);
-  }
-
-  // Stash output before Bounder for downstream reactive geometry.
-  this._output = output = this._graph.evaluate(output, this._encoder);
-
-  // Add any new scale references to the dependency list, and ensure
-  // they're connected.
-  if (update.nested && update.nested.length && this._status === CONNECTED) {
-    dl.keys(this._mark._scaleRefs).forEach(function(s) {
-      var scale = self._parent.scale(s);
-      if (!scale) return;
-
-      scale.addListener(self);
-      self.dependency(Deps.SCALES, s);
-      self._encoder.dependency(Deps.SCALES, s);
-    });
-  }
-
-  // Supernodes calculate bounds too, but only on items marked dirty.
-  if (this._isSuper) {
-    output.mod = output.mod.filter(function(x) { return x._dirty; });
-    output = this._graph.evaluate(output, this._bounder);
-  }
-
-  return output;
-};
-
-function newItem() {
-  var item = Tuple.ingest(new Item(this._mark));
-
-  // For the root node's item
-  if (this._def.width)  Tuple.set(item, 'width',  this._def.width);
-  if (this._def.height) Tuple.set(item, 'height', this._def.height);
-  return item;
-}
-
-function join(input, output, data, ds, fullUpdate) {
-  var keyf = keyFunction(this._def.key || (ds ? '_id' : null)),
-      prev = this._mark.items || [],
-      rem  = ds ? input.rem : prev,
-      mod  = Tuple.idMap((!ds || fullUpdate) ? data : input.mod),
-      next = [],
-      i, key, len, item, datum, enter, diff;
-
-  // Only mark rems as exiting. Due to keyf, there may be an add/mod
-  // tuple that replaces it.
-  for (i=0, len=rem.length; i<len; ++i) {
-    item = (rem[i] === prev[i]) ? prev[i] :
-      keyf ? this._map[keyf(rem[i])] : rem[i];
-    item.status = Status.EXIT;
-  }
-
-  for(i=0, len=data.length; i<len; ++i) {
-    datum = data[i];
-    item  = keyf ? this._map[key = keyf(datum)] : prev[i];
-    enter = item ? false : (item = newItem.call(this), true);
-    item.status = enter ? Status.ENTER : Status.UPDATE;
-    diff = !enter && item.datum !== datum;
-    item.datum = datum;
-
-    if (keyf) {
-      Tuple.set(item, 'key', key);
-      this._map[key] = item;
-    }
-
-    if (enter) {
-      output.add.push(item);
-    } else if (diff || mod[datum._id]) {
-      output.mod.push(item);
-    }
-
-    next.push(item);
-  }
-
-  for (i=0, len=rem.length; i<len; ++i) {
-    item = (rem[i] === prev[i]) ? prev[i] :
-      keyf ? this._map[key = keyf(rem[i])] : rem[i];
-    if (item.status === Status.EXIT) {
-      item._dirty = true;
-      input.dirty.push(item);
-      next.push(item);
-      output.rem.push(item);
-      if (keyf) this._map[key] = null;
-    }
-  }
-
-  return (this._mark.items = next, output);
-}
-
-function keyFunction(key) {
-  if (key == null) return null;
-  var f = dl.array(key).map(dl.accessor);
-  return function(d) {
-    for (var s='', i=0, n=f.length; i<n; ++i) {
-      if (i>0) s += '|';
-      s += String(f[i](d));
-    }
-    return s;
-  };
-}
-
-module.exports = Builder;
-},{"../parse/data":94,"./Bounder":109,"./Encoder":111,"datalib":26,"vega-dataflow":41,"vega-logging":47,"vega-scenegraph":48}],111:[function(require,module,exports){
-var dl = require('datalib'),
-    log = require('vega-logging'),
-    df = require('vega-dataflow'),
-    Node = df.Node, // jshint ignore:line
-    Deps = df.Dependencies,
-    bound = require('vega-scenegraph').bound;
-
-var EMPTY = {};
-
-function Encoder(graph, mark, builder) {
-  var props  = mark.def.properties || {},
-      enter  = props.enter,
-      update = props.update,
-      exit   = props.exit;
-
-  Node.prototype.init.call(this, graph);
-
-  this._mark = mark;
-  this._builder = builder;
-  var s = this._scales = [];
-
-  // Only scales used in the 'update' property set are set as
-  // encoder depedencies to have targeted reevaluations. However,
-  // we still want scales in 'enter' and 'exit' to be evaluated
-  // before the encoder.
-  if (enter) s.push.apply(s, enter.scales);
-
-  if (update) {
-    this.dependency(Deps.DATA, update.data);
-    this.dependency(Deps.SIGNALS, update.signals);
-    this.dependency(Deps.FIELDS, update.fields);
-    this.dependency(Deps.SCALES, update.scales);
-    s.push.apply(s, update.scales);
-  }
-
-  if (exit) s.push.apply(s, exit.scales);
-
-  return this.mutates(true);
-}
-
-var proto = (Encoder.prototype = new Node());
-
-proto.evaluate = function(input) {
-  log.debug(input, ['encoding', this._mark.def.type]);
-  var graph = this._graph,
-      props = this._mark.def.properties || {},
-      items = this._mark.items,
-      enter  = props.enter,
-      update = props.update,
-      exit   = props.exit,
-      dirty  = input.dirty,
-      preds  = graph.predicates(),
-      req = input.request,
-      group = this._mark.group,
-      guide = group && (group.mark.axis || group.mark.legend),
-      db = EMPTY, sg = EMPTY, i, len, item, prop;
-
-  if (req && !guide) {
-    if ((prop = props[req]) && input.mod.length) {
-      db = prop.data ? graph.values(Deps.DATA, prop.data) : null;
-      sg = prop.signals ? graph.values(Deps.SIGNALS, prop.signals) : null;
-
-      for (i=0, len=input.mod.length; i<len; ++i) {
-        item = input.mod[i];
-        encode.call(this, prop, item, input.trans, db, sg, preds, dirty);
-      }
-    }
-
-    return input; // exit early if given request
-  }
-
-  db = values(Deps.DATA, graph, input, props);
-  sg = values(Deps.SIGNALS, graph, input, props);
-
-  // Items marked for removal are at the tail of items. Process them first.
-  for (i=0, len=input.rem.length; i<len; ++i) {
-    item = input.rem[i];
-    if (exit) encode.call(this, exit, item, input.trans, db, sg, preds, dirty);
-    if (input.trans && !exit) input.trans.interpolate(item, EMPTY);
-    else if (!input.trans) items.pop();
-  }
-
-  var update_status = require('./Builder').STATUS.UPDATE;
-  for (i=0, len=input.add.length; i<len; ++i) {
-    item = input.add[i];
-    if (enter)  encode.call(this, enter,  item, input.trans, db, sg, preds, dirty);
-    if (update) encode.call(this, update, item, input.trans, db, sg, preds, dirty);
-    item.status = update_status;
-  }
-
-  if (update) {
-    for (i=0, len=input.mod.length; i<len; ++i) {
-      item = input.mod[i];
-      encode.call(this, update, item, input.trans, db, sg, preds, dirty);
-    }
-  }
-
-  return input;
-};
-
-// Only marshal necessary data and signal values
-function values(type, graph, input, props) {
-  var p, x, o, add = input.add.length;
-  if ((p=props.enter) && (x=p[type]).length && add) {
-    o = graph.values(type, x, (o=o||{}));
-  }
-  if ((p=props.exit) && (x=p[type]).length && input.rem.length) {
-    o = graph.values(type, x, (o=o||{}));
-  }
-  if ((p=props.update) && (x=p[type]).length && (add || input.mod.length)) {
-    o = graph.values(type, x, (o=o||{}));
-  }
-  return o || EMPTY;
-}
-
-function encode(prop, item, trans, db, sg, preds, dirty) {
-  var enc = prop.encode,
-      wasDirty = item._dirty,
-      isDirty  = enc.call(enc, item, item.mark.group||item, trans, db, sg, preds);
-
-  item._dirty = isDirty || wasDirty;
-  if (isDirty && !wasDirty) dirty.push(item);
-}
-
-// If a specified property set called, or update property set
-// uses nested fieldrefs, reevaluate all items.
-proto.reevaluate = function(pulse) {
-  var def = this._mark.def,
-      props = def.properties || {},
-      reeval = dl.isFunction(def.from) || def.orient || pulse.request ||
-        Node.prototype.reevaluate.call(this, pulse);
-
-  return reeval || (props.update ? nestedRefs.call(this) : false);
-};
-
-// Test if any nested refs trigger a reflow of mark items.
-function nestedRefs() {
-  var refs = this._mark.def.properties.update.nested,
-      parent = this._builder,
-      level = 0,
-      i = 0, len = refs.length,
-      ref, ds, stamp;
-
-  for (; i<len; ++i) {
-    ref = refs[i];
-
-    // Scale references are resolved via this._mark._scaleRefs which are
-    // added to dependency lists + connected in Builder.evaluate.
-    if (ref.scale) continue;
-
-    for (; level<ref.level; ++level) {
-      parent = parent.parent();
-      ds = parent.ds();
-    }
-
-    // Compare stamps to determine if a change in a group's properties
-    // or data should trigger a reeval. We cannot check anything fancier
-    // (e.g., pulse.fields) as the ref may use item.datum.
-    stamp = (ref.group ? parent.encoder() : ds.last())._stamp;
-    if (stamp > this._stamp) return true;
-  }
-
-  return false;
-}
-
-// Short-circuit encoder if user specifies items
-Encoder.update = function(graph, trans, request, items, dirty) {
-  items = dl.array(items);
-  var preds = graph.predicates(),
-      db = graph.values(Deps.DATA),
-      sg = graph.values(Deps.SIGNALS),
-      i, len, item, props, prop;
-
-  for (i=0, len=items.length; i<len; ++i) {
-    item = items[i];
-    props = item.mark.def.properties;
-    prop = props && props[request];
-    if (prop) {
-      encode.call(null, prop, item, trans, db, sg, preds, dirty);
-      bound.item(item);
-    }
-  }
-
-};
-
-module.exports = Encoder;
-},{"./Builder":110,"datalib":26,"vega-dataflow":41,"vega-logging":47,"vega-scenegraph":48}],112:[function(require,module,exports){
-var dl = require('datalib'),
-    df = require('vega-dataflow'),
-    Node = df.Node, // jshint ignore:line
-    Deps = df.Dependencies,
-    Collector = df.Collector,
-    log = require('vega-logging'),
-    Builder = require('./Builder'),
-    Scale = require('./Scale'),
-    parseAxes = require('../parse/axes'),
-    parseLegends = require('../parse/legends');
-
-function GroupBuilder() {
-  this._children = {};
-  this._scaler = null;
-  this._recursor = null;
-
-  this._scales = {};
-  this.scale = scale.bind(this);
-  return arguments.length ? this.init.apply(this, arguments) : this;
-}
-
-var Types = GroupBuilder.TYPES = {
-  GROUP:  "group",
-  MARK:   "mark",
-  AXIS:   "axis",
-  LEGEND: "legend"
-};
-
-var proto = (GroupBuilder.prototype = new Builder());
-
-proto.init = function(graph, def) {
-  var builder = this, name;
-
-  this._scaler = new Node(graph);
-
-  (def.scales||[]).forEach(function(s) {
-    s = builder.scale((name=s.name), new Scale(graph, s, builder));
-    builder.scale(name+":prev", s);
-    builder._scaler.addListener(s);  // Scales should be computed after group is encoded
-  });
-
-  this._recursor = new Node(graph);
-  this._recursor.evaluate = recurse.bind(this);
-
-  var scales = (def.axes||[]).reduce(function(acc, x) {
-    return (acc[x.scale] = 1, acc);
-  }, {});
-
-  scales = (def.legends||[]).reduce(function(acc, x) {
-    return (acc[x.size || x.shape || x.fill || x.stroke], acc);
-  }, scales);
-
-  this._recursor.dependency(Deps.SCALES, dl.keys(scales));
-
-  // We only need a collector for up-propagation of bounds calculation,
-  // so only GroupBuilders, and not regular Builders, have collectors.
-  this._collector = new Collector(graph);
-
-  return Builder.prototype.init.apply(this, arguments);
-};
-
-proto.evaluate = function() {
-  var output = Builder.prototype.evaluate.apply(this, arguments),
-      builder = this;
-
-  output.add.forEach(function(group) { buildGroup.call(builder, output, group); });
-  return output;
-};
-
-proto.pipeline = function() {
-  return [this, this._scaler, this._recursor, this._collector, this._bounder];
-};
-
-proto.disconnect = function() {
-  var builder = this;
-  dl.keys(builder._children).forEach(function(group_id) {
-    builder._children[group_id].forEach(function(c) {
-      builder._recursor.removeListener(c.builder);
-      c.builder.disconnect();
-    });
-  });
-
-  builder._children = {};
-  return Builder.prototype.disconnect.call(this);
-};
-
-proto.child = function(name, group_id) {
-  var children = this._children[group_id],
-      i = 0, len = children.length,
-      child;
-
-  for (; i<len; ++i) {
-    child = children[i];
-    if (child.type == Types.MARK && child.builder._def.name == name) break;
-  }
-
-  return child.builder;
-};
-
-function recurse(input) {
-  var builder = this,
-      hasMarks = dl.array(this._def.marks).length > 0,
-      hasAxes = dl.array(this._def.axes).length > 0,
-      hasLegends = dl.array(this._def.legends).length > 0,
-      i, j, c, len, group, pipeline, def, inline = false;
-
-  for (i=0, len=input.add.length; i<len; ++i) {
-    group = input.add[i];
-    if (hasMarks) buildMarks.call(this, input, group);
-    if (hasAxes)  buildAxes.call(this, input, group);
-    if (hasLegends) buildLegends.call(this, input, group);
-  }
-
-  // Wire up new children builders in reverse to minimize graph rewrites.
-  for (i=input.add.length-1; i>=0; --i) {
-    group = input.add[i];
-    for (j=this._children[group._id].length-1; j>=0; --j) {
-      c = this._children[group._id][j];
-      c.builder.connect();
-      pipeline = c.builder.pipeline();
-      def = c.builder._def;
-
-      // This new child needs to be built during this propagation cycle.
-      // We could add its builder as a listener off the _recursor node,
-      // but try to inline it if we can to minimize graph dispatches.
-      inline = (def.type !== Types.GROUP);
-      inline = inline && (this._graph.data(c.from) !== undefined);
-      inline = inline && (pipeline[pipeline.length-1].listeners().length === 1); // Reactive geom source
-      inline = inline && (def.from && !def.from.mark); // Reactive geom target
-      c.inline = inline;
-
-      if (inline) this._graph.evaluate(input, c.builder);
-      else this._recursor.addListener(c.builder);
-    }
-  }
-
-  function removeTemp(c) {
-    if (c.type == Types.MARK && !c.inline &&
-        builder._graph.data(c.from) !== undefined) {
-      builder._recursor.removeListener(c.builder);
-    }
-  }
-
-  function updateAxis(a) {
-    var scale = a.scale();
-    if (!input.scales[scale.scaleName]) return;
-    a.reset().def();
-  }
-
-  function updateLegend(l) {
-    var scale = l.size() || l.shape() || l.fill() || l.stroke();
-    if (!input.scales[scale.scaleName]) return;
-    l.reset().def();
-  }
-
-  for (i=0, len=input.mod.length; i<len; ++i) {
-    group = input.mod[i];
-
-    // Remove temporary connection for marks that draw from a source
-    if (hasMarks) builder._children[group._id].forEach(removeTemp);
-
-    // Update axis data defs
-    if (hasAxes) group.axes.forEach(updateAxis);
-
-    // Update legend data defs
-    if (hasLegends) group.legends.forEach(updateLegend);
-  }
-
-  function disconnectChildren(c) {
-    builder._recursor.removeListener(c.builder);
-    c.builder.disconnect();
-  }
-
-  for (i=0, len=input.rem.length; i<len; ++i) {
-    group = input.rem[i];
-    // For deleted groups, disconnect their children
-    builder._children[group._id].forEach(disconnectChildren);
-    delete builder._children[group._id];
-  }
-
-  return input;
-}
-
-function scale(name, x) {
-  var group = this, s = null;
-  if (arguments.length === 2) return (group._scales[name] = x, x);
-  while (s == null) {
-    s = group._scales[name];
-    group = group.mark ? group.mark.group : group._parent;
-    if (!group) break;
-  }
-  return s;
-}
-
-function buildGroup(input, group) {
-  log.debug(input, ["building group", group._id]);
-
-  group._scales = group._scales || {};
-  group.scale = scale.bind(group);
-
-  group.items = group.items || [];
-  this._children[group._id] = this._children[group._id] || [];
-
-  group.axes = group.axes || [];
-  group.axisItems = group.axisItems || [];
-
-  group.legends = group.legends || [];
-  group.legendItems = group.legendItems || [];
-}
-
-function buildMarks(input, group) {
-  log.debug(input, ["building children marks #"+group._id]);
-  var marks = this._def.marks,
-      mark, from, inherit, i, len, b;
-
-  for (i=0, len=marks.length; i<len; ++i) {
-    mark = marks[i];
-    from = mark.from || {};
-    inherit = group.datum._facetID;
-    group.items[i] = {group: group, _scaleRefs: {}};
-    b = (mark.type === Types.GROUP) ? new GroupBuilder() : new Builder();
-    b.init(this._graph, mark, group.items[i], this, group._id, inherit);
-    this._children[group._id].push({
-      builder: b,
-      from: from.data || (from.mark ? ("vg_" + group._id + "_" + from.mark) : inherit),
-      type: Types.MARK
-    });
-  }
-}
-
-function buildAxes(input, group) {
-  var axes = group.axes,
-      axisItems = group.axisItems,
-      builder = this;
-
-  parseAxes(this._graph, this._def.axes, axes, group);
-  axes.forEach(function(a, i) {
-    var scale = builder._def.axes[i].scale,
-        def = a.def(),
-        b = null;
-
-    axisItems[i] = {group: group, axis: true, layer: def.layer};
-    b = (def.type === Types.GROUP) ? new GroupBuilder() : new Builder();
-    b.init(builder._graph, def, axisItems[i], builder)
-      .dependency(Deps.SCALES, scale);
-    builder._children[group._id].push({ builder: b, type: Types.AXIS, scale: scale });
-  });
-}
-
-function buildLegends(input, group) {
-  var legends = group.legends,
-      legendItems = group.legendItems,
-      builder = this;
-
-  parseLegends(this._graph, this._def.legends, legends, group);
-  legends.forEach(function(l, i) {
-    var scale = l.size() || l.shape() || l.fill() || l.stroke(),
-        def = l.def(),
-        b = null;
-
-    legendItems[i] = {group: group, legend: true};
-    b = (def.type === Types.GROUP) ? new GroupBuilder() : new Builder();
-    b.init(builder._graph, def, legendItems[i], builder)
-      .dependency(Deps.SCALES, scale);
-    builder._children[group._id].push({ builder: b, type: Types.LEGEND, scale: scale });
-  });
-}
-
-module.exports = GroupBuilder;
-},{"../parse/axes":92,"../parse/legends":98,"./Builder":110,"./Scale":113,"datalib":26,"vega-dataflow":41,"vega-logging":47}],113:[function(require,module,exports){
-(function (global){
-var d3 = (typeof window !== "undefined" ? window['d3'] : typeof global !== "undefined" ? global['d3'] : null),
-    dl = require('datalib'),
-    df = require('vega-dataflow'),
-    log = require('vega-logging'),
-    Node = df.Node, // jshint ignore:line
-    Deps = df.Dependencies,
-    Aggregate = require('../transforms/Aggregate');
-
-var Properties = {
-  width: 1,
-  height: 1
-};
-
-var Types = {
-  LINEAR: 'linear',
-  ORDINAL: 'ordinal',
-  LOG: 'log',
-  POWER: 'pow',
-  SQRT: 'sqrt',
-  TIME: 'time',
-  TIME_UTC: 'utc',
-  QUANTILE: 'quantile',
-  QUANTIZE: 'quantize',
-  THRESHOLD: 'threshold'
-};
-
-var DataRef = {
-  DOMAIN: 'domain',
-  RANGE: 'range',
-
-  COUNT: 'count',
-  GROUPBY: 'groupby',
-  MIN: 'min',
-  MAX: 'max',
-  VALUE: 'value',
-
-  ASC: 'asc',
-  DESC: 'desc'
-};
-
-function Scale(graph, def, parent) {
-  this._def     = def;
-  this._parent  = parent;
-  this._updated = false;
-  return Node.prototype.init.call(this, graph).reflows(true);
-}
-
-var proto = (Scale.prototype = new Node());
-
-proto.evaluate = function(input) {
-  var self = this,
-      fn = function(group) { scale.call(self, group); };
-
-  this._updated = false;
-  input.add.forEach(fn);
-  input.mod.forEach(fn);
-
-  // Scales are at the end of an encoding pipeline, so they should forward a
-  // reflow pulse. Thus, if multiple scales update in the parent group, we don't
-  // reevaluate child marks multiple times.
-  if (this._updated) {
-    input.scales[this._def.name] = 1;
-    log.debug(input, ["scale", this._def.name]);
-  }
-  return df.ChangeSet.create(input, true);
-};
-
-// All of a scale's dependencies are registered during propagation as we parse
-// dataRefs. So a scale must be responsible for connecting itself to dependents.
-proto.dependency = function(type, deps) {
-  if (arguments.length == 2) {
-    var method = (type === Deps.DATA ? 'data' : 'signal');
-    deps = dl.array(deps);
-    for (var i=0, len=deps.length; i<len; ++i) {
-      this._graph[method](deps[i]).addListener(this._parent);
-    }
-  }
-
-  return Node.prototype.dependency.call(this, type, deps);
-};
-
-function scale(group) {
-  var name = this._def.name,
-      prev = name + ':prev',
-      s = instance.call(this, group.scale(name)),
-      m = s.type===Types.ORDINAL ? ordinal : quantitative,
-      rng = range.call(this, group);
-
-  m.call(this, s, rng, group);
-
-  group.scale(name, s);
-  group.scale(prev, group.scale(prev) || s);
-
-  return s;
-}
-
-function instance(scale) {
-  var config = this._graph.config(),
-      type = this._def.type || Types.LINEAR;
-  if (!scale || type !== scale.type) {
-    var ctor = config.scale[type] || d3.scale[type];
-    if (!ctor) throw Error('Unrecognized scale type: ' + type);
-    (scale = ctor()).type = scale.type || type;
-    scale.scaleName = this._def.name;
-    scale._prev = {};
-  }
-  return scale;
-}
-
-function ordinal(scale, rng, group) {
-  var def = this._def,
-      prev = scale._prev,
-      dataDrivenRange = false,
-      pad = signal.call(this, def.padding) || 0,
-      outer = def.outerPadding == null ? pad : signal.call(this, def.outerPadding),
-      points = def.points && signal.call(this, def.points),
-      round = signal.call(this, def.round) || def.round == null,
-      domain, str, spatial=true;
-
-  // range pre-processing for data-driven ranges
-  if (dl.isObject(def.range) && !dl.isArray(def.range)) {
-    dataDrivenRange = true;
-    rng = dataRef.call(this, DataRef.RANGE, def.range, scale, group);
-  }
-
-  // domain
-  domain = dataRef.call(this, DataRef.DOMAIN, def.domain, scale, group);
-  if (domain && !dl.equal(prev.domain, domain)) {
-    scale.domain(domain);
-    prev.domain = domain;
-    this._updated = true;
-  }
-
-  // range
-  if (!dl.equal(prev.range, rng)) {
-    // width-defined range
-    if (def.bandWidth) {
-      var bw = signal.call(this, def.bandWidth),
-          len = domain.length,
-          space = def.points ? (pad*bw) : (pad*bw*(len-1) + 2*outer),
-          start;
-      if (rng[0] > rng[1]) {
-        start = rng[1] || 0;
-        rng = [start + (bw * len + space), start];
-      } else {
-        start = rng[0] || 0;
-        rng = [start, start + (bw * len + space)];
-      }
-    }
-
-    str = typeof rng[0] === 'string';
-    if (str || rng.length > 2 || rng.length===1 || dataDrivenRange) {
-      scale.range(rng); // color or shape values
-      spatial = false;
-    } else if (points && round) {
-      scale.rangeRoundPoints(rng, pad);
-    } else if (points) {
-      scale.rangePoints(rng, pad);
-    } else if (round) {
-      scale.rangeRoundBands(rng, pad, outer);
-    } else {
-      scale.rangeBands(rng, pad, outer);
-    }
-
-    prev.range = rng;
-    this._updated = true;
-  }
-
-  if (!scale.invert && spatial) invertOrdinal(scale);
-}
-
-// "Polyfill" ordinal scale inversion. Currently, only ordinal scales
-// with ordered numeric ranges are supported.
-var bisect = d3.bisector(dl.numcmp).right,
-    findAsc = function(a, x) { return bisect(a,x) - 1; },
-    findDsc = d3.bisector(function(a,b) { return -1 * dl.numcmp(a,b); }).left;
-
-function invertOrdinal(scale) {
-  scale.invert = function(x, y) {
-    var rng = scale.range(),
-        asc = rng[0] < rng[1],
-        find = asc ? findAsc : findDsc;
-
-    if (arguments.length === 1) {
-      if (!dl.isNumber(x)) {
-        throw Error('Ordinal scale inversion is only supported for numeric input ('+x+').');
-      }
-      return scale.domain()[find(rng, x)];
-
-    } else if (arguments.length === 2) {  // Invert extents
-      if (!dl.isNumber(x) || !dl.isNumber(y)) {
-        throw Error('Extents to ordinal invert are not numbers ('+x+', '+y+').');
-      }
-
-      var domain = scale.domain(),
-          a = find(rng, x),
-          b = find(rng, y),
-          n = rng.length - 1, r;
-      if (b < a) { r = a; a = b; b = a; } // ensure a <= b
-      if (a < 0) a = 0;
-      if (b > n) b = n;
-
-      return (asc ? dl.range(a, b+1) : dl.range(b, a-1, -1))
-        .map(function(i) { return domain[i]; });
-    }
-  };
-}
-
-function quantitative(scale, rng, group) {
-  var def = this._def,
-      prev = scale._prev,
-      round = signal.call(this, def.round),
-      exponent = signal.call(this, def.exponent),
-      clamp = signal.call(this, def.clamp),
-      nice = signal.call(this, def.nice),
-      domain, interval;
-
-  // domain
-  domain = (def.type === Types.QUANTILE) ?
-    dataRef.call(this, DataRef.DOMAIN, def.domain, scale, group) :
-    domainMinMax.call(this, scale, group);
-  if (domain && !dl.equal(prev.domain, domain)) {
-    scale.domain(domain);
-    prev.domain = domain;
-    this._updated = true;
-  }
-
-  // range
-  // vertical scales should flip by default, so use XOR here
-  if (signal.call(this, def.range) === 'height') rng = rng.reverse();
-  if (dl.equal(prev.range, rng)) return;
-  scale[round && scale.rangeRound ? 'rangeRound' : 'range'](rng);
-  prev.range = rng;
-  this._updated = true;
-
-  // TODO: Support signals for these properties. Until then, only eval
-  // them once.
-  if (this._stamp > 0) return;
-  if (exponent && def.type===Types.POWER) scale.exponent(exponent);
-  if (clamp) scale.clamp(true);
-  if (nice) {
-    if (def.type === Types.TIME) {
-      interval = d3.time[nice];
-      if (!interval) log.error('Unrecognized interval: ' + interval);
-      scale.nice(interval);
-    } else {
-      scale.nice();
-    }
-  }
-}
-
-function isUniques(scale) {
-  return scale.type === Types.ORDINAL || scale.type === Types.QUANTILE;
-}
-
-function getRefs(def) {
-  return def.fields || dl.array(def);
-}
-
-function inherits(refs) {
-  return refs.some(function(r) {
-    if (!r.data) return true;
-    return r.data && dl.array(r.field).some(function(f) {
-      return f.parent;
-    });
-  });
-}
-
-function getFields(ref, group) {
-  return dl.array(ref.field).map(function(f) {
-    return f.parent ?
-      dl.accessor(f.parent)(group.datum) :
-      f; // String or {'signal'}
-  });
-}
-
-// Scale datarefs can be computed over multiple schema types.
-// This function determines the type of aggregator created, and
-// what data is sent to it: values, tuples, or multi-tuples that must
-// be standardized into a consistent schema.
-function aggrType(def, scale) {
-  var refs = getRefs(def);
-
-  // If we're operating over only a single domain, send full tuples
-  // through for efficiency (fewer accessor creations/calls)
-  if (refs.length == 1 && dl.array(refs[0].field).length == 1) {
-    return Aggregate.TYPES.TUPLE;
-  }
-
-  // With quantitative scales, we only care about min/max.
-  if (!isUniques(scale)) return Aggregate.TYPES.VALUE;
-
-  // If we don't sort, then we can send values directly to aggrs as well
-  if (!dl.isObject(def.sort)) return Aggregate.TYPES.VALUE;
-
-  return Aggregate.TYPES.MULTI;
-}
-
-function getCache(which, def, scale, group) {
-  var refs = getRefs(def),
-      inherit = inherits(refs),
-      atype = aggrType(def, scale),
-      uniques = isUniques(scale),
-      sort = def.sort,
-      ck = '_'+which,
-      fields = getFields(refs[0], group);
-
-  if (scale[ck] || this[ck]) return scale[ck] || this[ck];
-
-  var cache = new Aggregate(this._graph).type(atype),
-      groupby, summarize;
-
-  // If a scale's dataref doesn't inherit data from the group, we can
-  // store the dataref aggregator at the Scale (dataflow node) level.
-  if (inherit) {
-    scale[ck] = cache;
-  } else {
-    this[ck]  = cache;
-  }
-
-  if (uniques) {
-    if (atype === Aggregate.TYPES.VALUE) {
-      groupby = [{ name: DataRef.GROUPBY, get: dl.identity }];
-      summarize = {'*': DataRef.COUNT};
-    } else if (atype === Aggregate.TYPES.TUPLE) {
-      groupby = [{ name: DataRef.GROUPBY, get: dl.$(fields[0]) }];
-      summarize = dl.isObject(sort) ? [{
-        field: DataRef.VALUE,
-        get:  dl.$(sort.field),
-        ops: [sort.op]
-      }] : {'*': DataRef.COUNT};
-    } else {  // atype === Aggregate.TYPES.MULTI
-      groupby   = DataRef.GROUPBY;
-      summarize = [{ field: DataRef.VALUE, ops: [sort.op] }];
-    }
-  } else {
-    groupby = [];
-    summarize = [{
-      field: DataRef.VALUE,
-      get: (atype == Aggregate.TYPES.TUPLE) ? dl.$(fields[0]) : dl.identity,
-      ops: [DataRef.MIN, DataRef.MAX],
-      as:  [DataRef.MIN, DataRef.MAX]
-    }];
-  }
-
-  cache.param('groupby', groupby)
-    .param('summarize', summarize);
-
-  return (cache._lastUpdate = -1, cache);
-}
-
-function dataRef(which, def, scale, group) {
-  if (def == null) { return []; }
-  if (dl.isArray(def)) return def.map(signal.bind(this));
-
-  var self = this, graph = this._graph,
-      refs = getRefs(def),
-      inherit = inherits(refs),
-      atype = aggrType(def, scale),
-      cache = getCache.apply(this, arguments),
-      sort  = def.sort,
-      uniques = isUniques(scale),
-      i, rlen, j, flen, ref, fields, field, data, from, so, cmp;
-
-  function addDep(s) {
-    self.dependency(Deps.SIGNALS, s);
-  }
-
-  if (inherit || (!inherit && cache._lastUpdate < this._stamp)) {
-    for (i=0, rlen=refs.length; i<rlen; ++i) {
-      ref = refs[i];
-      from = ref.data || group.datum._facetID;
-      data = graph.data(from).last();
-
-      if (data.stamp <= this._stamp) continue;
-
-      fields = getFields(ref, group);
-      for (j=0, flen=fields.length; j<flen; ++j) {
-        field = fields[j];
-
-        if (atype === Aggregate.TYPES.VALUE) {
-          cache.accessors(null, field);
-        } else if (atype === Aggregate.TYPES.MULTI) {
-          cache.accessors(field, ref.sort || sort.field);
-        } // Else (Tuple-case) is handled by the aggregator accessors by default
-
-        cache.evaluate(data);
-      }
-
-      this.dependency(Deps.DATA, from);
-      cache.dependency(Deps.SIGNALS).forEach(addDep);
-    }
-
-    cache._lastUpdate = this._stamp;
-
-    data = cache.aggr().result();
-    if (uniques) {
-      if (dl.isObject(sort)) {
-        cmp = (so = sort.order) && so.signal ? graph.signalRef(so.signal) : so;
-        cmp = (cmp == DataRef.DESC ? '-' : '+') + sort.op + '_' + DataRef.VALUE;
-        cmp = dl.comparator(cmp);
-      } else if (sort === true) {
-        cmp = dl.comparator(DataRef.GROUPBY);
-      }
-
-      if (cmp) data = data.sort(cmp);
-      cache._values = data.map(function(d) { return d[DataRef.GROUPBY]; });
-    } else {
-      data = data[0];
-      cache._values = !dl.isValid(data) ? [] : [data[DataRef.MIN], data[DataRef.MAX]];
-    }
-  }
-
-  return cache._values;
-}
-
-function signal(v) {
-  if (!v || !v.signal) return v;
-  var s = v.signal, ref;
-  this.dependency(Deps.SIGNALS, (ref = dl.field(s))[0]);
-  return this._graph.signalRef(ref);
-}
-
-function domainMinMax(scale, group) {
-  var def = this._def,
-      domain = [null, null], s, z;
-
-  if (def.domain !== undefined) {
-    domain = (!dl.isObject(def.domain)) ? domain :
-      dataRef.call(this, DataRef.DOMAIN, def.domain, scale, group);
-  }
-
-  z = domain.length - 1;
-  if (def.domainMin !== undefined) {
-    if (dl.isObject(def.domainMin)) {
-      if (def.domainMin.signal) {
-        domain[0] = dl.isValid(s=signal.call(this, def.domainMin)) ? s : domain[0];
-      } else {
-        domain[0] = dataRef.call(this, DataRef.DOMAIN+DataRef.MIN, def.domainMin, scale, group)[0];
-      }
-    } else {
-      domain[0] = def.domainMin;
-    }
-  }
-  if (def.domainMax !== undefined) {
-    if (dl.isObject(def.domainMax)) {
-      if (def.domainMax.signal) {
-        domain[z] = dl.isValid(s=signal.call(this, def.domainMax)) ? s : domain[z];
-      } else {
-        domain[z] = dataRef.call(this, DataRef.DOMAIN+DataRef.MAX, def.domainMax, scale, group)[1];
-      }
-    } else {
-      domain[z] = def.domainMax;
-    }
-  }
-  if (def.type !== Types.LOG && def.type !== Types.TIME && (def.zero || def.zero===undefined)) {
-    domain[0] = Math.min(0, domain[0]);
-    domain[z] = Math.max(0, domain[z]);
-  }
-  return domain;
-}
-
-function range(group) {
-  var def = this._def,
-      config = this._graph.config(),
-      rangeVal = signal.call(this, def.range),
-      rng = [null, null];
-
-  if (rangeVal !== undefined) {
-    if (typeof rangeVal === 'string') {
-      if (Properties[rangeVal]) {
-        rng = [0, group[rangeVal]];
-      } else if (config.range[rangeVal]) {
-        rng = config.range[rangeVal];
-      } else {
-        log.error('Unrecogized range: ' + rangeVal);
-        return rng;
-      }
-    } else if (dl.isArray(rangeVal)) {
-      rng = dl.duplicate(rangeVal).map(signal.bind(this));
-    } else if (dl.isObject(rangeVal)) {
-      return null; // early exit
-    } else {
-      rng = [0, rangeVal];
-    }
-  }
-  if (def.rangeMin !== undefined) {
-    rng[0] = def.rangeMin.signal ?
-      signal.call(this, def.rangeMin) :
-      def.rangeMin;
-  }
-  if (def.rangeMax !== undefined) {
-    rng[rng.length-1] = def.rangeMax.signal ?
-      signal.call(this, def.rangeMax) :
-      def.rangeMax;
-  }
-
-  if (def.reverse !== undefined) {
-    var rev = signal.call(this, def.reverse);
-    if (dl.isObject(rev)) {
-      rev = dl.accessor(rev.field)(group.datum);
-    }
-    if (rev) rng = rng.reverse();
-  }
-
-  return rng;
-}
-
-module.exports = Scale;
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-
-},{"../transforms/Aggregate":118,"datalib":26,"vega-dataflow":41,"vega-logging":47}],114:[function(require,module,exports){
-(function (global){
-var d3 = (typeof window !== "undefined" ? window['d3'] : typeof global !== "undefined" ? global['d3'] : null),
-    bound = require('vega-scenegraph').bound,
-    Tuple = require('vega-dataflow').Tuple,
-    Status = require('./Builder').STATUS;
-
-function Transition(duration, ease) {
-  this.duration = duration || 500;
-  this.ease = ease && d3.ease(ease) || d3.ease('cubic-in-out');
-  this.updates = {next: null};
-}
-
-var prototype = Transition.prototype;
-
-var skip = {
-  'text': 1,
-  'url':  1
-};
-
-prototype.interpolate = function(item, values) {
-  var key, curr, next, interp, list = null;
-
-  for (key in values) {
-    curr = item[key];
-    next = values[key];
-    if (curr !== next) {
-      if (skip[key] || curr === undefined) {
-        // skip interpolation for specific keys or undefined start values
-        Tuple.set(item, key, next);
-      } else if (typeof curr === 'number' && !isFinite(curr)) {
-        // for NaN or infinite numeric values, skip to final value
-        Tuple.set(item, key, next);
-      } else {
-        // otherwise lookup interpolator
-        interp = d3.interpolate(curr, next);
-        interp.property = key;
-        (list || (list=[])).push(interp);
-      }
-    }
-  }
-
-  if (list === null && item.status === Status.EXIT) {
-    list = []; // ensure exiting items are included
-  }
-
-  if (list != null) {
-    list.item = item;
-    list.ease = item.mark.ease || this.ease;
-    list.next = this.updates.next;
-    this.updates.next = list;
-  }
-  return this;
-};
-
-prototype.start = function(callback) {
-  var t = this, prev = t.updates, curr = prev.next;
-  for (; curr!=null; prev=curr, curr=prev.next) {
-    if (curr.item.status === Status.EXIT) {
-      // Only mark item as exited when it is removed.
-      curr.item.status = Status.UPDATE;
-      curr.remove = true;
-    }
-  }
-  t.callback = callback;
-  d3.timer(function(elapsed) { return step.call(t, elapsed); });
-};
-
-function step(elapsed) {
-  var list = this.updates, prev = list, curr = prev.next,
-      duration = this.duration,
-      item, delay, f, e, i, n, stop = true;
-
-  for (; curr!=null; prev=curr, curr=prev.next) {
-    item = curr.item;
-    delay = item.delay || 0;
-
-    f = (elapsed - delay) / duration;
-    if (f < 0) { stop = false; continue; }
-    if (f > 1) f = 1;
-    e = curr.ease(f);
-
-    for (i=0, n=curr.length; i<n; ++i) {
-      item[curr[i].property] = curr[i](e);
-    }
-    item.touch();
-    bound.item(item);
-
-    if (f === 1) {
-      if (curr.remove) {
-        item.status = Status.EXIT;
-        item.remove();
-      }
-      prev.next = curr.next;
-      curr = prev;
-    } else {
-      stop = false;
-    }
-  }
-
-  this.callback();
-  return stop;
-}
-
-module.exports = Transition;
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-
-},{"./Builder":110,"vega-dataflow":41,"vega-scenegraph":48}],115:[function(require,module,exports){
-var dl = require('datalib'),
-    Tuple = require('vega-dataflow').Tuple,
-    parseMark = require('../parse/mark');
-
-var axisBounds = new (require('vega-scenegraph').Bounds)();
-
-var TIME    = 'time',
-    UTC     = 'utc',
-    STRING  = 'string',
-    ORDINAL = 'ordinal',
-    NUMBER  = 'number';
-
-function axs(model) {
-  var scale,
-      config = model.config().axis,
-      orient = config.orient,
-      offset = 0,
-      titleOffset = config.titleOffset,
-      axisDef = {},
-      layer = 'front',
-      grid = false,
-      title = null,
-      tickMajorSize = config.tickSize,
-      tickMinorSize = config.tickSize,
-      tickEndSize = config.tickSize,
-      tickPadding = config.padding,
-      tickValues = null,
-      tickFormatString = null,
-      tickFormatType = null,
-      tickSubdivide = 0,
-      tickCount = config.ticks,
-      gridLineStyle = {},
-      tickLabelStyle = {},
-      majorTickStyle = {},
-      minorTickStyle = {},
-      titleStyle = {},
-      domainStyle = {},
-      m = { // Axis marks as references for updates
-        gridLines:  {},
-        majorTicks: {},
-        minorTicks: {},
-        tickLabels: {},
-        domain: {},
-        title:  {}
-      };
-
-  var axis = {};
-
-  function reset() {
-    axisDef.type = null;
-  }
-
-  function ingest(d) {
-    return {data: d};
-  }
-
-  function getTickFormat() {
-    var formatType = tickFormatType || inferFormatType();
-    return getFormatter(formatType, tickFormatString);
-  }
-
-  function inferFormatType() {
-    switch (scale.type) {
-      case TIME:    return TIME;
-      case UTC:     return UTC;
-      case ORDINAL: return STRING;
-      default:      return NUMBER;
-    }
-  }
-
-  // Adapted from d3 log scale
-  // TODO customize? replace with range-size-aware filtering?
-  function logFilter(domain, count, f) {
-    if (count == null) return f;
-    var base = scale.base(),
-        k = Math.min(base, scale.ticks().length / count),
-        v = domain[0] > 0 ? (e = 1e-12, Math.ceil) : (e = -1e-12, Math.floor),
-        e;
-    function log(x) {
-      return (domain[0] < 0 ?
-        -Math.log(x > 0 ? 0 : -x) :
-        Math.log(x < 0 ? 0 : x)) / Math.log(base);
-    }
-    function pow(x) {
-      return domain[0] < 0 ? -Math.pow(base, -x) : Math.pow(base, x);
-    }
-    return function(d) {
-      return pow(v(log(d) + e)) / d >= k ? f(d) : '';
-    };
-  }
-
-  function getFormatter(formatType, str) {
-    var fmt = dl.format,
-        log = scale.type === 'log',
-        domain, f;
-
-    switch (formatType) {
-      case NUMBER:
-         domain = scale.domain();
-         f = fmt.auto.number(domain, tickCount, str || (log ? '.1r' : null));
-         return log ? logFilter(domain, tickCount, f) : f;
-      case TIME: return (str ? fmt : fmt.auto).time(str);
-      case UTC:  return (str ? fmt : fmt.auto).utc(str);
-      default:   return String;
-    }
-  }
-
-  function getTicks(format) {
-    var major = tickValues || (scale.ticks ? scale.ticks(tickCount) : scale.domain()),
-        minor = axisSubdivide(scale, major, tickSubdivide).map(ingest);
-    major = major.map(function(d) { return (d = ingest(d), d.label = format(d.data), d); });
-    return [major, minor];
-  }
-
-  axis.def = function() {
-    if (!axisDef.type) axis_def(scale);
-
-    var ticks = getTicks(getTickFormat());
-    var tdata = title ? [title].map(ingest) : [];
-
-    axisDef.marks[0].from = function() { return grid ? ticks[0] : []; };
-    axisDef.marks[1].from = function() { return ticks[0]; };
-    axisDef.marks[2].from = function() { return ticks[1]; };
-    axisDef.marks[3].from = axisDef.marks[1].from;
-    axisDef.marks[4].from = function() { return [1]; };
-    axisDef.marks[5].from = function() { return tdata; };
-    axisDef.offset = offset;
-    axisDef.orient = orient;
-    axisDef.layer = layer;
-    if (titleOffset === 'auto') titleAutoOffset(axisDef);
-
-    return axisDef;
-  };
-
-  function titleAutoOffset(axisDef) {
-    var orient = axisDef.orient,
-        update = axisDef.marks[5].properties.update,
-        fn = update.encode,
-        min = config.titleOffsetAutoMin,
-        max = config.titleOffsetAutoMax,
-        pad = config.titleOffsetAutoMargin;
-
-    // Offset axis title using bounding box of axis domain and labels
-    // Assumes other components are **encoded and bounded** beforehand
-    update.encode = function(item, group, trans, db, signals, preds) {
-      var dirty = fn.call(fn, item, group, trans, db, signals, preds),
-          field = (orient==='bottom' || orient==='top') ? 'y' : 'x';
-      if (titleStyle[field] != null) return dirty;
-
-      axisBounds.clear()
-        .union(group.items[3].bounds)
-        .union(group.items[4].bounds);
-
-      var o = trans ? {} : item,
-          method = (orient==='left' || orient==='right') ? 'width' : 'height',
-          sign = (orient==='top' || orient==='left') ? -1 : 1,
-          off = ~~(axisBounds[method]() + item.fontSize/2 + pad);
-
-      Tuple.set(o, field, sign * Math.min(Math.max(min, off), max));
-      if (trans) trans.interpolate(item, o);
-      return true;
-    };
-  }
-
-  function axis_def(scale) {
-    // setup scale mapping
-    var newScale, oldScale, range;
-    if (scale.type === ORDINAL) {
-      newScale = {scale: scale.scaleName, offset: 0.5 + scale.rangeBand()/2};
-      oldScale = newScale;
-    } else {
-      newScale = {scale: scale.scaleName, offset: 0.5};
-      oldScale = {scale: scale.scaleName+':prev', offset: 0.5};
-    }
-    range = axisScaleRange(scale);
-
-    // setup axis marks
-    dl.extend(m.gridLines, axisTicks(config));
-    dl.extend(m.majorTicks, axisTicks(config));
-    dl.extend(m.minorTicks, axisTicks(config));
-    dl.extend(m.tickLabels, axisTickLabels(config));
-    dl.extend(m.domain, axisDomain(config));
-    dl.extend(m.title, axisTitle(config));
-    m.gridLines.properties.enter.stroke = {value: config.gridColor};
-    m.gridLines.properties.enter.strokeOpacity = {value: config.gridOpacity};
-
-    // extend axis marks based on axis orientation
-    axisTicksExtend(orient, m.gridLines, oldScale, newScale, Infinity);
-    axisTicksExtend(orient, m.majorTicks, oldScale, newScale, tickMajorSize);
-    axisTicksExtend(orient, m.minorTicks, oldScale, newScale, tickMinorSize);
-    axisLabelExtend(orient, m.tickLabels, oldScale, newScale, tickMajorSize, tickPadding);
-
-    axisDomainExtend(orient, m.domain, range, tickEndSize);
-    axisTitleExtend(orient, m.title, range, +titleOffset || -1);
-
-    // add / override custom style properties
-    dl.extend(m.gridLines.properties.update, gridLineStyle);
-    dl.extend(m.majorTicks.properties.update, majorTickStyle);
-    dl.extend(m.minorTicks.properties.update, minorTickStyle);
-    dl.extend(m.tickLabels.properties.update, tickLabelStyle);
-    dl.extend(m.domain.properties.update, domainStyle);
-    dl.extend(m.title.properties.update, titleStyle);
-
-    var marks = [m.gridLines, m.majorTicks, m.minorTicks, m.tickLabels, m.domain, m.title];
-    dl.extend(axisDef, {
-      type: 'group',
-      interactive: false,
-      properties: {
-        enter: {
-          encode: axisUpdate,
-          scales: [scale.scaleName],
-          signals: [], data: []
-        },
-        update: {
-          encode: axisUpdate,
-          scales: [scale.scaleName],
-          signals: [], data: []
-        }
-      }
-    });
-
-    axisDef.marks = marks.map(function(m) { return parseMark(model, m); });
-  }
-
-  axis.scale = function(x) {
-    if (!arguments.length) return scale;
-    if (scale !== x) { scale = x; reset(); }
-    return axis;
-  };
-
-  axis.orient = function(x) {
-    if (!arguments.length) return orient;
-    if (orient !== x) {
-      orient = x in axisOrients ? x + '' : config.orient;
-      reset();
-    }
-    return axis;
-  };
-
-  axis.title = function(x) {
-    if (!arguments.length) return title;
-    if (title !== x) { title = x; reset(); }
-    return axis;
-  };
-
-  axis.tickCount = function(x) {
-    if (!arguments.length) return tickCount;
-    tickCount = x;
-    return axis;
-  };
-
-  axis.tickValues = function(x) {
-    if (!arguments.length) return tickValues;
-    tickValues = x;
-    return axis;
-  };
-
-  axis.tickFormat = function(x) {
-    if (!arguments.length) return tickFormatString;
-    if (tickFormatString !== x) {
-      tickFormatString = x;
-      reset();
-    }
-    return axis;
-  };
-
-  axis.tickFormatType = function(x) {
-    if (!arguments.length) return tickFormatType;
-    if (tickFormatType !== x) {
-      tickFormatType = x;
-      reset();
-    }
-    return axis;
-  };
-
-  axis.tickSize = function(x, y) {
-    if (!arguments.length) return tickMajorSize;
-    var n = arguments.length - 1,
-        major = +x,
-        minor = n > 1 ? +y : tickMajorSize,
-        end   = n > 0 ? +arguments[n] : tickMajorSize;
-
-    if (tickMajorSize !== major ||
-        tickMinorSize !== minor ||
-        tickEndSize !== end) {
-      reset();
-    }
-
-    tickMajorSize = major;
-    tickMinorSize = minor;
-    tickEndSize = end;
-    return axis;
-  };
-
-  axis.tickSubdivide = function(x) {
-    if (!arguments.length) return tickSubdivide;
-    tickSubdivide = +x;
-    return axis;
-  };
-
-  axis.offset = function(x) {
-    if (!arguments.length) return offset;
-    offset = dl.isObject(x) ? x : +x;
-    return axis;
-  };
-
-  axis.tickPadding = function(x) {
-    if (!arguments.length) return tickPadding;
-    if (tickPadding !== +x) { tickPadding = +x; reset(); }
-    return axis;
-  };
-
-  axis.titleOffset = function(x) {
-    if (!arguments.length) return titleOffset;
-    if (titleOffset !== x) { titleOffset = x; reset(); }
-    return axis;
-  };
-
-  axis.layer = function(x) {
-    if (!arguments.length) return layer;
-    if (layer !== x) { layer = x; reset(); }
-    return axis;
-  };
-
-  axis.grid = function(x) {
-    if (!arguments.length) return grid;
-    if (grid !== x) { grid = x; reset(); }
-    return axis;
-  };
-
-  axis.gridLineProperties = function(x) {
-    if (!arguments.length) return gridLineStyle;
-    if (gridLineStyle !== x) { gridLineStyle = x; }
-    return axis;
-  };
-
-  axis.majorTickProperties = function(x) {
-    if (!arguments.length) return majorTickStyle;
-    if (majorTickStyle !== x) { majorTickStyle = x; }
-    return axis;
-  };
-
-  axis.minorTickProperties = function(x) {
-    if (!arguments.length) return minorTickStyle;
-    if (minorTickStyle !== x) { minorTickStyle = x; }
-    return axis;
-  };
-
-  axis.tickLabelProperties = function(x) {
-    if (!arguments.length) return tickLabelStyle;
-    if (tickLabelStyle !== x) { tickLabelStyle = x; }
-    return axis;
-  };
-
-  axis.titleProperties = function(x) {
-    if (!arguments.length) return titleStyle;
-    if (titleStyle !== x) { titleStyle = x; }
-    return axis;
-  };
-
-  axis.domainProperties = function(x) {
-    if (!arguments.length) return domainStyle;
-    if (domainStyle !== x) { domainStyle = x; }
-    return axis;
-  };
-
-  axis.reset = function() {
-    reset();
-    return axis;
-  };
-
-  return axis;
-}
-
-var axisOrients = {top: 1, right: 1, bottom: 1, left: 1};
-
-function axisSubdivide(scale, ticks, m) {
-  var subticks = [];
-  if (m && ticks.length > 1) {
-    var extent = axisScaleExtent(scale.domain()),
-        i = -1,
-        n = ticks.length,
-        d = (ticks[1] - ticks[0]) / ++m,
-        j,
-        v;
-    while (++i < n) {
-      for (j = m; --j > 0;) {
-        if ((v = +ticks[i] - j * d) >= extent[0]) {
-          subticks.push(v);
-        }
-      }
-    }
-    for (--i, j = 0; ++j < m && (v = +ticks[i] + j * d) < extent[1];) {
-      subticks.push(v);
-    }
-  }
-  return subticks;
-}
-
-function axisScaleExtent(domain) {
-  var start = domain[0], stop = domain[domain.length - 1];
-  return start < stop ? [start, stop] : [stop, start];
-}
-
-function axisScaleRange(scale) {
-  return scale.rangeExtent ?
-    scale.rangeExtent() :
-    axisScaleExtent(scale.range());
-}
-
-var axisAlign = {
-  bottom: 'center',
-  top: 'center',
-  left: 'right',
-  right: 'left'
-};
-
-var axisBaseline = {
-  bottom: 'top',
-  top: 'bottom',
-  left: 'middle',
-  right: 'middle'
-};
-
-function axisLabelExtend(orient, labels, oldScale, newScale, size, pad) {
-  size = Math.max(size, 0) + pad;
-  if (orient === 'left' || orient === 'top') {
-    size *= -1;
-  }
-  if (orient === 'top' || orient === 'bottom') {
-    dl.extend(labels.properties.enter, {
-      x: oldScale,
-      y: {value: size},
-    });
-    dl.extend(labels.properties.update, {
-      x: newScale,
-      y: {value: size},
-      align: {value: 'center'},
-      baseline: {value: axisBaseline[orient]}
-    });
-  } else {
-    dl.extend(labels.properties.enter, {
-      x: {value: size},
-      y: oldScale,
-    });
-    dl.extend(labels.properties.update, {
-      x: {value: size},
-      y: newScale,
-      align: {value: axisAlign[orient]},
-      baseline: {value: 'middle'}
-    });
-  }
-}
-
-function axisTicksExtend(orient, ticks, oldScale, newScale, size) {
-  var sign = (orient === 'left' || orient === 'top') ? -1 : 1;
-  if (size === Infinity) {
-    size = (orient === 'top' || orient === 'bottom') ?
-      {field: {group: 'height', level: 2}, mult: -sign} :
-      {field: {group: 'width',  level: 2}, mult: -sign};
-  } else {
-    size = {value: sign * size};
-  }
-  if (orient === 'top' || orient === 'bottom') {
-    dl.extend(ticks.properties.enter, {
-      x:  oldScale,
-      y:  {value: 0},
-      y2: size
-    });
-    dl.extend(ticks.properties.update, {
-      x:  newScale,
-      y:  {value: 0},
-      y2: size
-    });
-    dl.extend(ticks.properties.exit, {
-      x:  newScale,
-    });
-  } else {
-    dl.extend(ticks.properties.enter, {
-      x:  {value: 0},
-      x2: size,
-      y:  oldScale
-    });
-    dl.extend(ticks.properties.update, {
-      x:  {value: 0},
-      x2: size,
-      y:  newScale
-    });
-    dl.extend(ticks.properties.exit, {
-      y:  newScale,
-    });
-  }
-}
-
-function axisTitleExtend(orient, title, range, offset) {
-  var update = title.properties.update,
-      mid = ~~((range[0] + range[1]) / 2),
-      sign = (orient === 'top' || orient === 'left') ? -1 : 1;
-
-  if (orient === 'bottom' || orient === 'top') {
-    update.x = {value: mid};
-    update.angle = {value: 0};
-    if (offset >= 0) update.y = sign * offset;
-  } else {
-    update.y = {value: mid};
-    update.angle = {value: orient === 'left' ? -90 : 90};
-    if (offset >= 0) update.x = sign * offset;
-  }
-}
-
-function axisDomainExtend(orient, domain, range, size) {
-  var path;
-  if (orient === 'top' || orient === 'left') {
-    size = -1 * size;
-  }
-  if (orient === 'bottom' || orient === 'top') {
-    path = 'M' + range[0] + ',' + size + 'V0H' + range[1] + 'V' + size;
-  } else {
-    path = 'M' + size + ',' + range[0] + 'H0V' + range[1] + 'H' + size;
-  }
-  domain.properties.update.path = {value: path};
-}
-
-function axisUpdate(item, group, trans) {
-  var o = trans ? {} : item,
-      offset = item.mark.def.offset,
-      orient = item.mark.def.orient,
-      width  = group.width,
-      height = group.height; // TODO fallback to global w,h?
-
-  if (dl.isArray(offset)) {
-    var ofx = offset[0],
-        ofy = offset[1];
-
-    switch (orient) {
-      case 'left':   { Tuple.set(o, 'x', -ofx); Tuple.set(o, 'y', ofy); break; }
-      case 'right':  { Tuple.set(o, 'x', width + ofx); Tuple.set(o, 'y', ofy); break; }
-      case 'bottom': { Tuple.set(o, 'x', ofx); Tuple.set(o, 'y', height + ofy); break; }
-      case 'top':    { Tuple.set(o, 'x', ofx); Tuple.set(o, 'y', -ofy); break; }
-      default:       { Tuple.set(o, 'x', ofx); Tuple.set(o, 'y', ofy); }
-    }
-  } else {
-    if (dl.isObject(offset)) {
-      offset = -group.scale(offset.scale)(offset.value);
-    }
-
-    switch (orient) {
-      case 'left':   { Tuple.set(o, 'x', -offset); Tuple.set(o, 'y', 0); break; }
-      case 'right':  { Tuple.set(o, 'x', width + offset); Tuple.set(o, 'y', 0); break; }
-      case 'bottom': { Tuple.set(o, 'x', 0); Tuple.set(o, 'y', height + offset); break; }
-      case 'top':    { Tuple.set(o, 'x', 0); Tuple.set(o, 'y', -offset); break; }
-      default:       { Tuple.set(o, 'x', 0); Tuple.set(o, 'y', 0); }
-    }
-  }
-
-  if (trans) trans.interpolate(item, o);
-  return true;
-}
-
-function axisTicks(config) {
-  return {
-    type: 'rule',
-    interactive: false,
-    key: 'data',
-    properties: {
-      enter: {
-        stroke: {value: config.tickColor},
-        strokeWidth: {value: config.tickWidth},
-        opacity: {value: 1e-6}
-      },
-      exit: { opacity: {value: 1e-6} },
-      update: { opacity: {value: 1} }
-    }
-  };
-}
-
-function axisTickLabels(config) {
-  return {
-    type: 'text',
-    interactive: true,
-    key: 'data',
-    properties: {
-      enter: {
-        fill: {value: config.tickLabelColor},
-        font: {value: config.tickLabelFont},
-        fontSize: {value: config.tickLabelFontSize},
-        opacity: {value: 1e-6},
-        text: {field: 'label'}
-      },
-      exit: { opacity: {value: 1e-6} },
-      update: { opacity: {value: 1} }
-    }
-  };
-}
-
-function axisTitle(config) {
-  return {
-    type: 'text',
-    interactive: true,
-    properties: {
-      enter: {
-        font: {value: config.titleFont},
-        fontSize: {value: config.titleFontSize},
-        fontWeight: {value: config.titleFontWeight},
-        fill: {value: config.titleColor},
-        align: {value: 'center'},
-        baseline: {value: 'middle'},
-        text: {field: 'data'}
-      },
-      update: {}
-    }
-  };
-}
-
-function axisDomain(config) {
-  return {
-    type: 'path',
-    interactive: false,
-    properties: {
-      enter: {
-        x: {value: 0.5},
-        y: {value: 0.5},
-        stroke: {value: config.axisColor},
-        strokeWidth: {value: config.axisWidth}
-      },
-      update: {}
-    }
-  };
-}
-
-module.exports = axs;
-},{"../parse/mark":99,"datalib":26,"vega-dataflow":41,"vega-scenegraph":48}],116:[function(require,module,exports){
-(function (global){
-var d3 = (typeof window !== "undefined" ? window['d3'] : typeof global !== "undefined" ? global['d3'] : null),
-    dl = require('datalib'),
-    Gradient = require('vega-scenegraph').Gradient,
-    parseProperties = require('../parse/properties'),
-    parseMark = require('../parse/mark');
-
-function lgnd(model) {
-  var size = null,
-      shape = null,
-      fill = null,
-      stroke = null,
-      spacing = null,
-      values = null,
-      format = null,
-      formatString = null,
-      config = model.config().legend,
-      title,
-      orient = config.orient,
-      offset = config.offset,
-      padding = config.padding,
-      tickArguments = [5],
-      legendStyle = {},
-      symbolStyle = {},
-      gradientStyle = {},
-      titleStyle = {},
-      labelStyle = {},
-      m = { // Legend marks as references for updates
-        titles:  {},
-        symbols: {},
-        labels:  {},
-        gradient: {}
-      };
-
-  var legend = {},
-      legendDef = {};
-
-  function reset() { legendDef.type = null; }
-  function ingest(d, i) { return {data: d, index: i}; }
-
-  legend.def = function() {
-    var scale = size || shape || fill || stroke;
-
-    format = !formatString ? null : ((scale.type === 'time') ?
-      dl.format.time(formatString) : dl.format.number(formatString));
-
-    if (!legendDef.type) {
-      legendDef = (scale===fill || scale===stroke) && !discrete(scale.type) ?
-        quantDef(scale) : ordinalDef(scale);
-    }
-    legendDef.orient = orient;
-    legendDef.offset = offset;
-    legendDef.padding = padding;
-    legendDef.margin = config.margin;
-    return legendDef;
-  };
-
-  function discrete(type) {
-    return type==='ordinal' || type==='quantize' ||
-           type==='quantile' || type==='threshold';
-  }
-
-  function ordinalDef(scale) {
-    var def = o_legend_def(size, shape, fill, stroke);
-
-    // generate data
-    var data = (values == null ?
-      (scale.ticks ? scale.ticks.apply(scale, tickArguments) : scale.domain()) :
-      values).map(ingest);
-    var fmt = format==null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments) : String) : format;
-
-    // determine spacing between legend entries
-    var fs, range, offset, pad=5, domain = d3.range(data.length);
-    if (size) {
-      range = data.map(function(x) { return Math.sqrt(size(x.data)); });
-      offset = d3.max(range);
-      range = range.reduce(function(a,b,i,z) {
-          if (i > 0) a[i] = a[i-1] + z[i-1]/2 + pad;
-          return (a[i] += b/2, a); }, [0]).map(Math.round);
-    } else {
-      offset = Math.round(Math.sqrt(config.symbolSize));
-      range = spacing ||
-        (fs = labelStyle.fontSize) && (fs.value + pad) ||
-        (config.labelFontSize + pad);
-      range = domain.map(function(d,i) {
-        return Math.round(offset/2 + i*range);
-      });
-    }
-
-    // account for padding and title size
-    var sz = padding, ts;
-    if (title) {
-      ts = titleStyle.fontSize;
-      sz += 5 + ((ts && ts.value) || config.titleFontSize);
-    }
-    for (var i=0, n=range.length; i<n; ++i) range[i] += sz;
-
-    // build scale for label layout
-    def.scales = def.scales || [{}];
-    dl.extend(def.scales[0], {
-      name: 'legend',
-      type: 'ordinal',
-      points: true,
-      domain: domain,
-      range: range
-    });
-
-    // update legend def
-    var tdata = (title ? [title] : []).map(ingest);
-    data.forEach(function(d) {
-      d.label = fmt(d.data);
-      d.offset = offset;
-    });
-    def.marks[0].from = function() { return tdata; };
-    def.marks[1].from = function() { return data; };
-    def.marks[2].from = def.marks[1].from;
-
-    return def;
-  }
-
-  function o_legend_def(size, shape, fill, stroke) {
-    // setup legend marks
-    var titles  = dl.extend(m.titles, legendTitle(config)),
-        symbols = dl.extend(m.symbols, legendSymbols(config)),
-        labels  = dl.extend(m.labels, vLegendLabels(config));
-
-    // extend legend marks
-    legendSymbolExtend(symbols, size, shape, fill, stroke);
-
-    // add / override custom style properties
-    dl.extend(titles.properties.update,  titleStyle);
-    dl.extend(symbols.properties.update, symbolStyle);
-    dl.extend(labels.properties.update,  labelStyle);
-
-    // padding from legend border
-    titles.properties.enter.x.value += padding;
-    titles.properties.enter.y.value += padding;
-    labels.properties.enter.x.offset += padding + 1;
-    symbols.properties.enter.x.offset = padding + 1;
-    labels.properties.update.x.offset += padding + 1;
-    symbols.properties.update.x.offset = padding + 1;
-
-    dl.extend(legendDef, {
-      type: 'group',
-      interactive: false,
-      properties: {
-        enter: parseProperties(model, 'group', legendStyle),
-        legendPosition: {
-          encode: legendPosition,
-          signals: [], scales:[], data: [], fields: []
-        }
-      }
-    });
-
-    legendDef.marks = [titles, symbols, labels].map(function(m) { return parseMark(model, m); });
-    return legendDef;
-  }
-
-  function quantDef(scale) {
-    var def = q_legend_def(scale),
-        dom = scale.domain(),
-        data  = (values == null ? dom : values).map(ingest),
-        width = (gradientStyle.width && gradientStyle.width.value) || config.gradientWidth,
-        fmt = format==null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments) : String) : format;
-
-    // build scale for label layout
-    def.scales = def.scales || [{}];
-    var layoutSpec = dl.extend(def.scales[0], {
-      name: 'legend',
-      type: scale.type,
-      round: true,
-      zero: false,
-      domain: [dom[0], dom[dom.length-1]],
-      range: [padding, width+padding]
-    });
-    if (scale.type==='pow') layoutSpec.exponent = scale.exponent();
-
-    // update legend def
-    var tdata = (title ? [title] : []).map(ingest);
-    data.forEach(function(d,i) {
-      d.label = fmt(d.data);
-      d.align = i==(data.length-1) ? 'right' : i===0 ? 'left' : 'center';
-    });
-
-    def.marks[0].from = function() { return tdata; };
-    def.marks[1].from = function() { return [1]; };
-    def.marks[2].from = function() { return data; };
-    return def;
-  }
-
-  function q_legend_def(scale) {
-    // setup legend marks
-    var titles = dl.extend(m.titles, legendTitle(config)),
-        gradient = dl.extend(m.gradient, legendGradient(config)),
-        labels = dl.extend(m.labels, hLegendLabels(config)),
-        grad = new Gradient();
-
-    // setup color gradient
-    var dom = scale.domain(),
-        min = dom[0],
-        max = dom[dom.length-1],
-        f = scale.copy().domain([min, max]).range([0,1]);
-
-    var stops = (scale.type !== 'linear' && scale.ticks) ?
-      scale.ticks.call(scale, 15) : dom;
-    if (min !== stops[0]) stops.unshift(min);
-    if (max !== stops[stops.length-1]) stops.push(max);
-
-    for (var i=0, n=stops.length; i<n; ++i) {
-      grad.stop(f(stops[i]), scale(stops[i]));
-    }
-    gradient.properties.enter.fill = {value: grad};
-
-    // add / override custom style properties
-    dl.extend(titles.properties.update, titleStyle);
-    dl.extend(gradient.properties.update, gradientStyle);
-    dl.extend(labels.properties.update, labelStyle);
-
-    // account for gradient size
-    var gp = gradient.properties, gh = gradientStyle.height,
-        hh = (gh && gh.value) || gp.enter.height.value;
-    labels.properties.enter.y.value = hh;
-    labels.properties.update.y.value = hh;
-
-    // account for title size as needed
-    if (title) {
-      var tp = titles.properties, fs = titleStyle.fontSize,
-          sz = 4 + ((fs && fs.value) || tp.enter.fontSize.value);
-      gradient.properties.enter.y.value += sz;
-      labels.properties.enter.y.value += sz;
-      gradient.properties.update.y.value += sz;
-      labels.properties.update.y.value += sz;
-    }
-
-    // padding from legend border
-    titles.properties.enter.x.value += padding;
-    titles.properties.enter.y.value += padding;
-    gradient.properties.enter.x.value += padding;
-    gradient.properties.enter.y.value += padding;
-    labels.properties.enter.y.value += padding;
-    gradient.properties.update.x.value += padding;
-    gradient.properties.update.y.value += padding;
-    labels.properties.update.y.value += padding;
-
-    dl.extend(legendDef, {
-      type: 'group',
-      interactive: false,
-      properties: {
-        enter: parseProperties(model, 'group', legendStyle),
-        legendPosition: {
-          encode: legendPosition,
-          signals: [], scales: [], data: [], fields: []
-        }
-      }
-    });
-
-    legendDef.marks = [titles, gradient, labels].map(function(m) { return parseMark(model, m); });
-    return legendDef;
-  }
-
-  legend.size = function(x) {
-    if (!arguments.length) return size;
-    if (size !== x) { size = x; reset(); }
-    return legend;
-  };
-
-  legend.shape = function(x) {
-    if (!arguments.length) return shape;
-    if (shape !== x) { shape = x; reset(); }
-    return legend;
-  };
-
-  legend.fill = function(x) {
-    if (!arguments.length) return fill;
-    if (fill !== x) { fill = x; reset(); }
-    return legend;
-  };
-
-  legend.stroke = function(x) {
-    if (!arguments.length) return stroke;
-    if (stroke !== x) { stroke = x; reset(); }
-    return legend;
-  };
-
-  legend.title = function(x) {
-    if (!arguments.length) return title;
-    if (title !== x) { title = x; reset(); }
-    return legend;
-  };
-
-  legend.format = function(x) {
-    if (!arguments.length) return formatString;
-    if (formatString !== x) {
-      formatString = x;
-      reset();
-    }
-    return legend;
-  };
-
-  legend.spacing = function(x) {
-    if (!arguments.length) return spacing;
-    if (spacing !== +x) { spacing = +x; reset(); }
-    return legend;
-  };
-
-  legend.orient = function(x) {
-    if (!arguments.length) return orient;
-    orient = x in LEGEND_ORIENT ? x + '' : config.orient;
-    return legend;
-  };
-
-  legend.offset = function(x) {
-    if (!arguments.length) return offset;
-    offset = +x;
-    return legend;
-  };
-
-  legend.values = function(x) {
-    if (!arguments.length) return values;
-    values = x;
-    return legend;
-  };
-
-  legend.legendProperties = function(x) {
-    if (!arguments.length) return legendStyle;
-    legendStyle = x;
-    return legend;
-  };
-
-  legend.symbolProperties = function(x) {
-    if (!arguments.length) return symbolStyle;
-    symbolStyle = x;
-    return legend;
-  };
-
-  legend.gradientProperties = function(x) {
-    if (!arguments.length) return gradientStyle;
-    gradientStyle = x;
-    return legend;
-  };
-
-  legend.labelProperties = function(x) {
-    if (!arguments.length) return labelStyle;
-    labelStyle = x;
-    return legend;
-  };
-
-  legend.titleProperties = function(x) {
-    if (!arguments.length) return titleStyle;
-    titleStyle = x;
-    return legend;
-  };
-
-  legend.reset = function() {
-    reset();
-    return legend;
-  };
-
-  return legend;
-}
-
-var LEGEND_ORIENT = {right: 1, left: 1};
-
-function legendPosition(item, group, trans, db, signals, predicates) {
-  var o = trans ? {} : item, i, aw = 0,
-      def    = item.mark.def,
-      offset = def.offset,
-      orient = def.orient,
-      pad    = def.padding * 2,
-      lw     = ~~item.bounds.width() + (item.width ? 0 : pad),
-      lh     = ~~item.bounds.height() + (item.height ? 0 : pad),
-      pos = group._legendPositions ||
-        (group._legendPositions = {right: 0.5, left: 0.5});
-
-  o.x = 0.5;
-  o.width = lw;
-  o.y = pos[orient];
-  pos[orient] += (o.height = lh) + def.margin;
-
-  for (i=0; i<group.axes.length; ++i) {
-    if (group.axes[i].orient() === orient) {
-      aw = Math.max(aw, group.axisItems[i].bounds.width());
-    }
-  }
-
-  if (orient === 'left') {
-    o.x -= aw + offset + lw;
-  } else {
-    o.x += group.width + aw + offset;
-  }
-
-  if (trans) trans.interpolate(item, o);
-  var enc = item.mark.def.properties.enter.encode;
-  enc.call(enc, item, group, trans, db, signals, predicates);
-  return true;
-}
-
-function legendSymbolExtend(mark, size, shape, fill, stroke) {
-  var e = mark.properties.enter,
-      u = mark.properties.update;
-  if (size)   e.size   = u.size   = {scale: size.scaleName,   field: 'data'};
-  if (shape)  e.shape  = u.shape  = {scale: shape.scaleName,  field: 'data'};
-  if (fill)   e.fill   = u.fill   = {scale: fill.scaleName,   field: 'data'};
-  if (stroke) e.stroke = u.stroke = {scale: stroke.scaleName, field: 'data'};
-}
-
-function legendTitle(config) {
-  return {
-    type: 'text',
-    interactive: false,
-    key: 'data',
-    properties: {
-      enter: {
-        x: {value: 0},
-        y: {value: 0},
-        fill: {value: config.titleColor},
-        font: {value: config.titleFont},
-        fontSize: {value: config.titleFontSize},
-        fontWeight: {value: config.titleFontWeight},
-        baseline: {value: 'top'},
-        text: {field: 'data'},
-        opacity: {value: 1e-6}
-      },
-      exit: { opacity: {value: 1e-6} },
-      update: { opacity: {value: 1} }
-    }
-  };
-}
-
-function legendSymbols(config) {
-  return {
-    type: 'symbol',
-    interactive: false,
-    key: 'data',
-    properties: {
-      enter: {
-        x: {field: 'offset', mult: 0.5},
-        y: {scale: 'legend', field: 'index'},
-        shape: {value: config.symbolShape},
-        size: {value: config.symbolSize},
-        stroke: {value: config.symbolColor},
-        strokeWidth: {value: config.symbolStrokeWidth},
-        opacity: {value: 1e-6}
-      },
-      exit: { opacity: {value: 1e-6} },
-      update: {
-        x: {field: 'offset', mult: 0.5},
-        y: {scale: 'legend', field: 'index'},
-        opacity: {value: 1}
-      }
-    }
-  };
-}
-
-function vLegendLabels(config) {
-  return {
-    type: 'text',
-    interactive: false,
-    key: 'data',
-    properties: {
-      enter: {
-        x: {field: 'offset', offset: 5},
-        y: {scale: 'legend', field: 'index'},
-        fill: {value: config.labelColor},
-        font: {value: config.labelFont},
-        fontSize: {value: config.labelFontSize},
-        align: {value: config.labelAlign},
-        baseline: {value: config.labelBaseline},
-        text: {field: 'label'},
-        opacity: {value: 1e-6}
-      },
-      exit: { opacity: {value: 1e-6} },
-      update: {
-        opacity: {value: 1},
-        x: {field: 'offset', offset: 5},
-        y: {scale: 'legend', field: 'index'},
-      }
-    }
-  };
-}
-
-function legendGradient(config) {
-  return {
-    type: 'rect',
-    interactive: false,
-    properties: {
-      enter: {
-        x: {value: 0},
-        y: {value: 0},
-        width: {value: config.gradientWidth},
-        height: {value: config.gradientHeight},
-        stroke: {value: config.gradientStrokeColor},
-        strokeWidth: {value: config.gradientStrokeWidth},
-        opacity: {value: 1e-6}
-      },
-      exit: { opacity: {value: 1e-6} },
-      update: {
-        x: {value: 0},
-        y: {value: 0},
-        opacity: {value: 1}
-      }
-    }
-  };
-}
-
-function hLegendLabels(config) {
-  return {
-    type: 'text',
-    interactive: false,
-    key: 'data',
-    properties: {
-      enter: {
-        x: {scale: 'legend', field: 'data'},
-        y: {value: 20},
-        dy: {value: 2},
-        fill: {value: config.labelColor},
-        font: {value: config.labelFont},
-        fontSize: {value: config.labelFontSize},
-        align: {field: 'align'},
-        baseline: {value: 'top'},
-        text: {field: 'label'},
-        opacity: {value: 1e-6}
-      },
-      exit: { opacity: {value: 1e-6} },
-      update: {
-        x: {scale: 'legend', field: 'data'},
-        y: {value: 20},
-        opacity: {value: 1}
-      }
-    }
-  };
-}
-
-module.exports = lgnd;
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-
-},{"../parse/mark":99,"../parse/properties":104,"datalib":26,"vega-scenegraph":48}],117:[function(require,module,exports){
-module.exports = function visit(node, func) {
-  var i, n, s, m, items;
-  if (func(node)) return true;
-
-  var sets = ['items', 'axisItems', 'legendItems'];
-  for (s=0, m=sets.length; s<m; ++s) {
-    if ((items = node[sets[s]])) {
-      for (i=0, n=items.length; i<n; ++i) {
-        if (visit(items[i], func)) return true;
-      }
-    }
-  }
-};
-},{}],118:[function(require,module,exports){
-var dl = require('datalib'),
-    df = require('vega-dataflow'),
-    log = require('vega-logging'),
-    ChangeSet = df.ChangeSet,
-    Tuple = df.Tuple,
-    Deps = df.Dependencies,
-    Transform = require('./Transform'),
-    Facetor = require('./Facetor');
-
-function Aggregate(graph) {
-  Transform.prototype.init.call(this, graph);
-
-  Transform.addParameters(this, {
-    groupby: {type: 'array<field>'},
-    summarize: {
-      type: 'custom',
-      set: function(summarize) {
-        var signalDeps = {},
-            tx = this._transform,
-            i, len, f, fields, name, ops;
-
-        if (!dl.isArray(fields = summarize)) { // Object syntax from dl
-          fields = [];
-          for (name in summarize) {
-            ops = dl.array(summarize[name]);
-            fields.push({field: name, ops: ops});
-          }
-        }
-
-        function sg(x) { if (x.signal) signalDeps[x.signal] = 1; }
-
-        for (i=0, len=fields.length; i<len; ++i) {
-          f = fields[i];
-          if (f.field.signal) { signalDeps[f.field.signal] = 1; }
-          dl.array(f.ops).forEach(sg);
-          dl.array(f.as).forEach(sg);
-        }
-
-        tx._fields = fields;
-        tx._aggr = null;
-        tx.dependency(Deps.SIGNALS, dl.keys(signalDeps));
-        return tx;
-      }
-    }
-  });
-
-  this._aggr  = null; // dl.Aggregator
-  this._input = null; // Used by Facetor._on_keep.
-  this._args  = null; // To cull re-computation.
-  this._fields = [];
-  this._out = [];
-
-  this._type = TYPES.TUPLE;
-  this._acc = {groupby: dl.true, value: dl.true};
-
-  return this.router(true).produces(true);
-}
-
-var prototype = (Aggregate.prototype = Object.create(Transform.prototype));
-prototype.constructor = Aggregate;
-
-var TYPES = Aggregate.TYPES = {
-  VALUE: 1,
-  TUPLE: 2,
-  MULTI: 3
-};
-
-Aggregate.VALID_OPS = [
-  'values', 'count', 'valid', 'missing', 'distinct',
-  'sum', 'mean', 'average', 'variance', 'variancep', 'stdev',
-  'stdevp', 'median', 'q1', 'q3', 'modeskew', 'min', 'max',
-  'argmin', 'argmax'
-];
-
-prototype.type = function(type) {
-  return (this._type = type, this);
-};
-
-prototype.accessors = function(groupby, value) {
-  var acc = this._acc;
-  acc.groupby = dl.$(groupby) || dl.true;
-  acc.value = dl.$(value) || dl.true;
-};
-
-prototype.aggr = function() {
-  if (this._aggr) return this._aggr;
-
-  var g = this._graph,
-      hasGetter = false,
-      args = [],
-      groupby = this.param('groupby').field,
-      value = function(x) { return x.signal ? g.signalRef(x.signal) : x; };
-
-  // Prepare summarize fields.
-  var fields = this._fields.map(function(f) {
-    var field = {
-      name: value(f.field),
-      as:   dl.array(f.as),
-      ops:  dl.array(value(f.ops)).map(value),
-      get:  f.get
-    };
-    hasGetter = hasGetter || field.get != null;
-    args.push(field.name);
-    return field;
-  });
-
-  // If there is an arbitrary getter, all bets are off.
-  // Otherwise, we can check argument fields to cull re-computation.
-  groupby.forEach(function(g) {
-    if (g.get) hasGetter = true;
-    args.push(g.name || g);
-  });
-  this._args = hasGetter || !fields.length ? null : args;
-
-  if (!fields.length) fields = {'*': 'values'};
-
-  // Instatiate our aggregator instance.
-  // Facetor is a special subclass that can facet into data pipelines.
-  var aggr = this._aggr = new Facetor()
-    .groupby(groupby)
-    .stream(true)
-    .summarize(fields);
-
-  // Collect output fields sets by this aggregate.
-  this._out = getFields(aggr);
-
-  // If we are processing tuples, key them by '_id'.
-  if (this._type !== TYPES.VALUE) { aggr.key('_id'); }
-
-  return aggr;
-};
-
-function getFields(aggr) {
-  // Collect the output fields set by this aggregate.
-  var f = [], i, n, j, m, dims, vals, meas;
-
-  dims = aggr._dims;
-  for (i=0, n=dims.length; i<n; ++i) {
-    f.push(dims[i].name);
-  }
-
-  vals = aggr._aggr;
-  for (i=0, n=vals.length; i<n; ++i) {
-    meas = vals[i].measures.fields;
-    for (j=0, m=meas.length; j<m; ++j) {
-      f.push(meas[j]);
-    }
-  }
-
-  return f;
-}
-
-prototype.transform = function(input, reset) {
-  log.debug(input, ['aggregate']);
-
-  var output = ChangeSet.create(input),
-      aggr = this.aggr(),
-      out = this._out,
-      args = this._args,
-      reeval = true,
-      p = Tuple.prev,
-      add, rem, mod, i;
-
-  // Upon reset, retract prior tuples and re-initialize.
-  if (reset) {
-    output.rem.push.apply(output.rem, aggr.result());
-    aggr.clear();
-    this._aggr = null;
-    aggr = this.aggr();
-  }
-
-  // Get update methods according to input type.
-  if (this._type === TYPES.TUPLE) {
-    add = function(x) { aggr._add(x); Tuple.prev_init(x); };
-    rem = function(x) { aggr._rem(p(x)); };
-    mod = function(x) { aggr._mod(x, p(x)); };
-  } else {
-    var gby = this._acc.groupby,
-        val = this._acc.value,
-        get = this._type === TYPES.VALUE ? val : function(x) {
-          return { _id: x._id, groupby: gby(x), value: val(x) };
-        };
-    add = function(x) { aggr._add(get(x)); Tuple.prev_init(x); };
-    rem = function(x) { aggr._rem(get(p(x))); };
-    mod = function(x) { aggr._mod(get(x), get(p(x))); };
-  }
-
-  input.add.forEach(add);
-  if (reset) {
-    // A signal change triggered reflow. Add everything.
-    // No need for rem, we cleared the aggregator.
-    input.mod.forEach(add);
-  } else {
-    input.rem.forEach(rem);
-
-    // If possible, check argument fields to see if we need to re-process mods.
-    if (args) for (i=0, reeval=false; i<args.length; ++i) {
-      if (input.fields[args[i]]) { reeval = true; break; }
-    }
-    if (reeval) input.mod.forEach(mod);
-  }
-
-  // Indicate output fields and return aggregate tuples.
-  for (i=0; i<out.length; ++i) {
-    output.fields[out[i]] = 1;
-  }
-  return (aggr._input = input, aggr.changes(output));
-};
-
-module.exports = Aggregate;
-},{"./Facetor":124,"./Transform":139,"datalib":26,"vega-dataflow":41,"vega-logging":47}],119:[function(require,module,exports){
-var Base = require('./Transform').prototype;
-
-function BatchTransform() {
-  // Nearest appropriate collector.
-  // Set by the dataflow Graph during connection.
-  this._collector = null;
-}
-
-var prototype = (BatchTransform.prototype = Object.create(Base));
-prototype.constructor = BatchTransform;
-
-prototype.init = function(graph) {
-  Base.init.call(this, graph);
-  return this.batch(true);
-};
-
-prototype.transform = function(input, reset) {
-  return this.batchTransform(input, this._collector.data(), reset);
-};
-
-prototype.batchTransform = function(/* input, data, reset */) {
-};
-
-module.exports = BatchTransform;
-},{"./Transform":139}],120:[function(require,module,exports){
-var dl = require('datalib'),
-    Tuple = require('vega-dataflow').Tuple,
-    log = require('vega-logging'),
-    Transform = require('./Transform'),
-    BatchTransform = require('./BatchTransform');
-
-function Bin(graph) {
-  BatchTransform.prototype.init.call(this, graph);
-  Transform.addParameters(this, {
-    field: {type: 'field'},
-    min: {type: 'value'},
-    max: {type: 'value'},
-    base: {type: 'value', default: 10},
-    maxbins: {type: 'value', default: 20},
-    step: {type: 'value'},
-    steps: {type: 'value'},
-    minstep: {type: 'value'},
-    div: {type: 'array<value>', default: [5, 2]}
-  });
-
-  this._output = {
-    start: 'bin_start',
-    end:   'bin_end',
-    mid:   'bin_mid'
-  };
-  return this.mutates(true);
-}
-
-var prototype = (Bin.prototype = Object.create(BatchTransform.prototype));
-prototype.constructor = Bin;
-
-prototype.extent = function(data) {
-  // TODO only recompute extent upon data or field change?
-  var e = [this.param('min'), this.param('max')], d;
-  if (e[0] == null || e[1] == null) {
-    d = dl.extent(data, this.param('field').accessor);
-    if (e[0] == null) e[0] = d[0];
-    if (e[1] == null) e[1] = d[1];
-  }
-  return e;
-};
-
-prototype.batchTransform = function(input, data) {
-  log.debug(input, ['binning']);
-
-  var extent  = this.extent(data),
-      output  = this._output,
-      step    = this.param('step'),
-      steps   = this.param('steps'),
-      minstep = this.param('minstep'),
-      get     = this.param('field').accessor,
-      opt = {
-        min: extent[0],
-        max: extent[1],
-        base: this.param('base'),
-        maxbins: this.param('maxbins'),
-        div: this.param('div')
-      };
-
-  if (step) opt.step = step;
-  if (steps) opt.steps = steps;
-  if (minstep) opt.minstep = minstep;
-  var b = dl.bins(opt),
-      s = b.step;
-
-  function update(d) {
-    var v = get(d);
-    v = v == null ? null
-      : b.start + s * ~~((v - b.start) / s);
-    Tuple.set(d, output.start, v);
-    Tuple.set(d, output.end, v + s);
-    Tuple.set(d, output.mid, v + s/2);
-  }
-  input.add.forEach(update);
-  input.mod.forEach(update);
-  input.rem.forEach(update);
-
-  input.fields[output.start] = 1;
-  input.fields[output.end] = 1;
-  input.fields[output.mid] = 1;
-  return input;
-};
-
-module.exports = Bin;
-},{"./BatchTransform":119,"./Transform":139,"datalib":26,"vega-dataflow":41,"vega-logging":47}],121:[function(require,module,exports){
-var df = require('vega-dataflow'),
-    Tuple = df.Tuple,
-    log = require('vega-logging'),
-    Transform = require('./Transform');
-
-function CountPattern(graph) {
-  Transform.prototype.init.call(this, graph);
-  Transform.addParameters(this, {
-    field:     {type: 'field', default: 'data'},
-    pattern:   {type: 'value', default: '[\\w\']+'},
-    case:      {type: 'value', default: 'lower'},
-    stopwords: {type: 'value', default: ''}
-  });
-
-  this._output = {text: 'text', count: 'count'};
-
-  return this.router(true).produces(true);
-}
-
-var prototype = (CountPattern.prototype = Object.create(Transform.prototype));
-prototype.constructor = CountPattern;
-
-prototype.transform = function(input, reset) {
-  log.debug(input, ['countpattern']);
-
-  var get = this.param('field').accessor,
-      pattern = this.param('pattern'),
-      stop = this.param('stopwords'),
-      rem = false;
-
-  // update parameters
-  if (this._stop !== stop) {
-    this._stop = stop;
-    this._stop_re = new RegExp('^' + stop + '$', 'i');
-    reset = true;
-  }
-
-  if (this._pattern !== pattern) {
-    this._pattern = pattern;
-    this._match = new RegExp(this._pattern, 'g');
-    reset = true;
-  }
-
-  if (reset) this._counts = {};
-
-  function curr(t) { return (Tuple.prev_init(t), get(t)); }
-  function prev(t) { return get(Tuple.prev(t)); }
-
-  this._add(input.add, curr);
-  if (!reset) this._rem(input.rem, prev);
-  if (reset || (rem = input.fields[get.field])) {
-    if (rem) this._rem(input.mod, prev);
-    this._add(input.mod, curr);
-  }
-
-  // generate output tuples
-  return this._changeset(input);
-};
-
-prototype._changeset = function(input) {
-  var counts = this._counts,
-      tuples = this._tuples || (this._tuples = {}),
-      change = df.ChangeSet.create(input),
-      out = this._output, w, t, c;
-
-  for (w in counts) {
-    t = tuples[w];
-    c = counts[w] || 0;
-    if (!t && c) {
-      tuples[w] = (t = Tuple.ingest({}));
-      t[out.text] = w;
-      t[out.count] = c;
-      change.add.push(t);
-    } else if (c === 0) {
-      if (t) change.rem.push(t);
-      delete counts[w];
-      delete tuples[w];
-    } else if (t[out.count] !== c) {
-      Tuple.set(t, out.count, c);
-      change.mod.push(t);
-    }
-  }
-  return change;
-};
-
-prototype._tokenize = function(text) {
-  switch (this.param('case')) {
-    case 'upper': text = text.toUpperCase(); break;
-    case 'lower': text = text.toLowerCase(); break;
-  }
-  return text.match(this._match);
-};
-
-prototype._add = function(tuples, get) {
-  var counts = this._counts,
-      stop = this._stop_re,
-      tok, i, j, t;
-
-  for (j=0; j<tuples.length; ++j) {
-    tok = this._tokenize(get(tuples[j]));
-    for (i=0; i<tok.length; ++i) {
-      if (!stop.test(t=tok[i])) {
-        counts[t] = 1 + (counts[t] || 0);
-      }
-    }
-  }
-};
-
-prototype._rem = function(tuples, get) {
-  var counts = this._counts,
-      stop = this._stop_re,
-      tok, i, j, t;
-
-  for (j=0; j<tuples.length; ++j) {
-    tok = this._tokenize(get(tuples[j]));
-    for (i=0; i<tok.length; ++i) {
-      if (!stop.test(t=tok[i])) {
-        counts[t] -= 1;
-      }
-    }
-  }
-};
-
-module.exports = CountPattern;
-},{"./Transform":139,"vega-dataflow":41,"vega-logging":47}],122:[function(require,module,exports){
-var dl = require('datalib'),
-    df = require('vega-dataflow'),
-    ChangeSet = df.ChangeSet,
-    Tuple = df.Tuple,
-    SIGNALS = df.Dependencies.SIGNALS,
-    log = require('vega-logging'),
-    Transform = require('./Transform'),
-    BatchTransform = require('./BatchTransform');
-
-function Cross(graph) {
-  BatchTransform.prototype.init.call(this, graph);
-  Transform.addParameters(this, {
-    with: {type: 'data'},
-    diagonal: {type: 'value', default: 'true'},
-    filter: {type: 'expr'}
-  });
-
-  this._output = {'left': 'a', 'right': 'b'};
-  this._lastRem  = null; // Most recent stamp that rem occured.
-  this._lastWith = null; // Last time we crossed w/withds.
-  this._ids   = {};
-  this._cache = {}; 
-
-  return this.router(true).produces(true);
-}
-
-var prototype = (Cross.prototype = Object.create(BatchTransform.prototype));
-prototype.constructor = Cross;
-
-// Each cached incoming tuple also has a stamp to track if we need to do lazy
-// tuple removal, and a flag to determine whether any tuples were filtered.
-function cache(x, t) {
-  var c = this._cache,
-      s = this._stamp,
-      cross = c[x._id] || (c[x._id] = {c: [], s: s, f: false});
-  cross.c.push(t);
-}
-
-function add(output, left, data, diag, test, x) {
-  var c   = this._cache,
-      as  = this._output,
-      ids = this._ids,
-      oadd  = output.add, 
-      fltrd = false,
-      i = 0, len = data.length,
-      t = {}, y, id;
-
-  for (; i<len; ++i) {
-    y = data[i];
-    id = left ? x._id+'_'+y._id : y._id+'_'+x._id;
-    if (ids[id]) continue;
-    if (x._id == y._id && !diag) continue;
-
-    t[as.left]  = left ? x : y;
-    t[as.right] = left ? y : x;
-
-    // Only ingest a tuple if we keep it around. Otherwise, flag the
-    // caches as filtered. 
-    if (!test || test(t)) {
-      oadd.push(t=Tuple.ingest(t));
-      cache.call(this, x, t);
-      cache.call(this, y, t);
-      ids[id] = 1;
-      t = {};
-    } else {
-      if (c[y._id]) c[y._id].f = true;
-      fltrd = true;
-    }
-  }
-
-  if (c[x._id]) c[x._id].f = fltrd;
-}
-
-function mod(output, left, data, diag, test, x) {
-  var cache = this._cache,
-      cross = cache[x._id],
-      other = this._output[left ? 'right' : 'left'],
-      tpls  = cross && cross.c,
-      lazy  = cross && this._lastRem > cross.s,
-      fltrd = !cross || cross.f,
-      omod  = output.mod,
-      orem  = output.rem,
-      i, t, y;
-
-  // If we have cached values, iterate through them for lazy
-  // removal, and to re-run the filter. 
-  if (tpls) {
-    if (lazy || test) {
-      for (i=tpls.length-1; i>=0; --i) {
-        t = tpls[i];
-        y = t[other];
-
-        if (lazy && !cache[y._id]) {
-          tpls.splice(i, 1);
-          continue;
-        }
-
-        if (!test || test(t)) {
-          omod.push(t);
-        } else {
-          orem.push.apply(orem, tpls.splice(i, 1));
-          cross.f = true;
-        }
-      }
-
-      cross.s = this._lastRem;
-    } else {
-      omod.push.apply(omod, tpls);
-    }
-  }
-
-  // If we have a filter param, call add to catch any tuples that may
-  // have previously been filtered.
-  if (test && fltrd) add.call(this, output, left, data, diag, test, x); 
-}
-
-function rem(output, x) {
-  var cross = this._cache[x._id];
-  if (!cross) return;
-  output.rem.push.apply(output.rem, cross.c);
-  this._cache[x._id] = null;
-  this._lastRem = this._stamp;
-}
-
-function purge(output) {
-  var cache = this._cache,
-      keys  = dl.keys(cache),
-      rem = output.rem,
-      ids = {},
-      i, len, j, jlen, cross, t;
-
-  for (i=0, len=keys.length; i<len; ++i) {
-    cross = cache[keys[i]];
-    for (j=0, jlen=cross.c.length; j<jlen; ++j) {
-      t = cross.c[j];
-      if (ids[t._id]) continue;
-      rem.push(t);
-      ids[t._id] = 1;
-    }
-  }
-
-  this._cache = {};
-  this._ids = {};
-  this._lastWith = null;
-  this._lastRem  = null;
-}
-
-prototype.batchTransform = function(input, data, reset) {
-  log.debug(input, ['crossing']);
-
-  var g = this._graph,
-      w = this.param('with'),
-      f = this.param('filter'),
-      diag = this.param('diagonal'),
-      as = this._output,
-      sg = g.values(SIGNALS, this.dependency(SIGNALS)),
-      test = f ? function(x) {return f(x, null, sg); } : null,
-      selfCross = (!w.name),
-      woutput = selfCross ? input : w.source.last(),
-      wdata   = selfCross ? data : w.source.values(),
-      output  = ChangeSet.create(input),
-      r = rem.bind(this, output);
-
-  // If signal values (for diag or test) have changed, purge the cache
-  // and re-run cross in batch mode. Otherwise stream cross values.
-  if (reset) {
-    purge.call(this, output);
-    data.forEach(add.bind(this, output, true, wdata, diag, test));
-    this._lastWith = woutput.stamp;
-  } else {
-    input.rem.forEach(r);
-    input.add.forEach(add.bind(this, output, true, wdata, diag, test));
-
-    if (woutput.stamp > this._lastWith) {
-      woutput.rem.forEach(r);
-      woutput.add.forEach(add.bind(this, output, false, data, diag, test));
-      woutput.mod.forEach(mod.bind(this, output, false, data, diag, test));
-      this._lastWith = woutput.stamp;
-    }
-
-    // Mods need to come after all removals have been run.
-    input.mod.forEach(mod.bind(this, output, true, wdata, diag, test));
-  }
-
-  output.fields[as.left]  = 1;
-  output.fields[as.right] = 1;
-  return output;
-};
-
-module.exports = Cross;
-},{"./BatchTransform":119,"./Transform":139,"datalib":26,"vega-dataflow":41,"vega-logging":47}],123:[function(require,module,exports){
-var Transform = require('./Transform'),
-    Aggregate = require('./Aggregate');
-
-function Facet(graph) {
-  Transform.addParameters(this, {
-    transform: {
-      type: "custom",
-      set: function(pipeline) {
-        return (this._transform._pipeline = pipeline, this._transform);
-      },
-      get: function() {
-        var parse = require('../parse/transforms'),
-            facet = this._transform;
-        return facet._pipeline.map(function(t) {
-          return parse(facet._graph, t);
-        });
-      }
-    }
-  });
-
-  this._pipeline = [];
-  return Aggregate.call(this, graph);
-}
-
-var prototype = (Facet.prototype = Object.create(Aggregate.prototype));
-prototype.constructor = Facet;
-
-prototype.aggr = function() {
-  return Aggregate.prototype.aggr.call(this).facet(this);
-};
-
-prototype.transform = function(input, reset) {
-  var output  = Aggregate.prototype.transform.call(this, input, reset);
-
-  // New facet cells should trigger a re-ranking of the dataflow graph.
-  // This ensures facet datasources are computed before scenegraph nodes.
-  // We rerank the Facet's first listener, which is the next node in the
-  // datasource's pipeline.
-  if (input.add.length) {
-    this.listeners()[0].rerank();
-  }
-
-  return output;
-};
-
-module.exports = Facet;
-},{"../parse/transforms":108,"./Aggregate":118,"./Transform":139}],124:[function(require,module,exports){
-var dl = require('datalib'),
-    Aggregator = dl.Aggregator,
-    Base = Aggregator.prototype,
-    df = require('vega-dataflow'),
-    Tuple = df.Tuple,
-    log = require('vega-logging'),
-    facetID = 0;
-
-function Facetor() {
-  Aggregator.call(this);
-  this._facet = null;
-  this._facetID = ++facetID;
-}
-
-var prototype = (Facetor.prototype = Object.create(Base));
-prototype.constructor = Facetor;
-
-prototype.facet = function(f) {
-  return arguments.length ? (this._facet = f, this) : this._facet;
-};
-
-prototype._ingest = function(t) {
-  return Tuple.ingest(t, null);
-};
-
-prototype._assign = Tuple.set;
-
-function disconnect_cell(facet) {
-  log.debug({}, ['disconnecting cell', this.tuple._id]);
-  var pipeline = this.ds.pipeline();
-  facet.removeListener(pipeline[0]);
-  facet._graph.removeListener(pipeline[0]);
-  facet._graph.disconnect(pipeline);
-}
-
-prototype._newcell = function(x, key) {
-  var cell  = Base._newcell.call(this, x, key),
-      facet = this._facet;
-
-  if (facet) {
-    var graph = facet._graph,
-        tuple = cell.tuple,
-        pipeline = facet.param('transform');
-    cell.ds = graph.data(tuple._facetID, pipeline, tuple);
-    cell.disconnect = disconnect_cell;
-    facet.addListener(pipeline[0]);
-  }
-
-  return cell;
-};
-
-prototype._newtuple = function(x, key) {
-  var t = Base._newtuple.call(this, x);
-  if (this._facet) {
-    Tuple.set(t, 'key', key);
-    Tuple.set(t, '_facetID', this._facetID + '_' + key);
-  }
-  return t;
-};
-
-prototype.clear = function() {
-  if (this._facet) {
-    for (var k in this._cells) {
-      this._cells[k].disconnect(this._facet);
-    }
-  }
-  return Base.clear.call(this);
-};
-
-prototype._on_add = function(x, cell) {
-  if (this._facet) cell.ds._input.add.push(x);
-};
-
-prototype._on_rem = function(x, cell) {
-  if (this._facet) cell.ds._input.rem.push(x);
-};
-
-prototype._on_mod = function(x, prev, cell0, cell1) {
-  if (this._facet) { // Propagate tuples
-    if (cell0 === cell1) {
-      cell0.ds._input.mod.push(x);
-    } else {
-      cell0.ds._input.rem.push(x);
-      cell1.ds._input.add.push(x);
-    }
-  }
-};
-
-prototype._on_drop = function(cell) {
-  if (this._facet) cell.disconnect(this._facet);
-};
-
-prototype._on_keep = function(cell) {
-  // propagate sort, signals, fields, etc.
-  if (this._facet) df.ChangeSet.copy(this._input, cell.ds._input);
-};
-
-module.exports = Facetor;
-},{"datalib":26,"vega-dataflow":41,"vega-logging":47}],125:[function(require,module,exports){
-var df = require('vega-dataflow'),
-    SIGNALS = df.Dependencies.SIGNALS,
-    log = require('vega-logging'),
-    Transform = require('./Transform');
-
-function Filter(graph) {
-  Transform.prototype.init.call(this, graph);
-  Transform.addParameters(this, {test: {type: 'expr'}});
-
-  this._skip = {};
-  return this.router(true);
-}
-
-var prototype = (Filter.prototype = Object.create(Transform.prototype));
-prototype.constructor = Filter;
-
-prototype.transform = function(input) {
-  log.debug(input, ['filtering']);
-
-  var output = df.ChangeSet.create(input),
-      graph = this._graph,
-      skip = this._skip,
-      test = this.param('test'),
-      signals = graph.values(SIGNALS, this.dependency(SIGNALS));
-
-  input.rem.forEach(function(x) {
-    if (skip[x._id] !== 1) output.rem.push(x);
-    else skip[x._id] = 0;
-  });
-
-  input.add.forEach(function(x) {
-    if (test(x, null, signals)) output.add.push(x);
-    else skip[x._id] = 1;
-  });
-
-  input.mod.forEach(function(x) {
-    var b = test(x, null, signals),
-        s = (skip[x._id] === 1);
-    if (b && s) {
-      skip[x._id] = 0;
-      output.add.push(x);
-    } else if (b && !s) {
-      output.mod.push(x);
-    } else if (!b && s) {
-      // do nothing, keep skip true
-    } else { // !b && !s
-      output.rem.push(x);
-      skip[x._id] = 1;
-    }
-  });
-
-  return output;
-};
-
-module.exports = Filter;
-},{"./Transform":139,"vega-dataflow":41,"vega-logging":47}],126:[function(require,module,exports){
-var df = require('vega-dataflow'),
-    Tuple = df.Tuple,
-    log = require('vega-logging'),
-    Transform = require('./Transform');
-
-function Fold(graph) {
-  Transform.prototype.init.call(this, graph);
-  Transform.addParameters(this, {
-    fields: {type: 'array<field>'}
-  });
-
-  this._output = {key: 'key', value: 'value'};
-  this._cache = {};
-
-  return this.router(true).produces(true);
-}
-
-var prototype = (Fold.prototype = Object.create(Transform.prototype));
-prototype.constructor = Fold;
-
-prototype._reset = function(input, output) {
-  for (var id in this._cache) {
-    output.rem.push.apply(output.rem, this._cache[id]);
-  }
-  this._cache = {};
-};
-
-prototype._tuple = function(x, i, len) {
-  var list = this._cache[x._id] || (this._cache[x._id] = Array(len));
-  return list[i] ? Tuple.rederive(x, list[i]) : (list[i] = Tuple.derive(x));
-};
-
-prototype._fn = function(data, on, out) {
-  var i, j, n, m, d, t;
-  for (i=0, n=data.length; i<n; ++i) {
-    d = data[i];
-    for (j=0, m=on.field.length; j<m; ++j) {
-      t = this._tuple(d, j, m);
-      Tuple.set(t, this._output.key, on.field[j]);
-      Tuple.set(t, this._output.value, on.accessor[j](d));
-      out.push(t);
-    }
-  }
-};
-
-prototype.transform = function(input, reset) {
-  log.debug(input, ['folding']);
-
-  var fold = this,
-      on = this.param('fields'),
-      output = df.ChangeSet.create(input);
-
-  if (reset) this._reset(input, output);
-
-  this._fn(input.add, on, output.add);
-  this._fn(input.mod, on, reset ? output.add : output.mod);
-  input.rem.forEach(function(x) {
-    output.rem.push.apply(output.rem, fold._cache[x._id]);
-    fold._cache[x._id] = null;
-  });
-
-  // If we're only propagating values, don't mark key/value as updated.
-  if (input.add.length || input.rem.length ||
-      on.field.some(function(f) { return !!input.fields[f]; })) {
-    output.fields[this._output.key] = 1;
-    output.fields[this._output.value] = 1;
-  }
-  return output;
-};
-
-module.exports = Fold;
-},{"./Transform":139,"vega-dataflow":41,"vega-logging":47}],127:[function(require,module,exports){
-(function (global){
-var d3 = (typeof window !== "undefined" ? window['d3'] : typeof global !== "undefined" ? global['d3'] : null),
-    df = require('vega-dataflow'),
-    Tuple = df.Tuple,
-    ChangeSet = df.ChangeSet,
-    log = require('vega-logging'),
-    Transform = require('./Transform');
-
-function Force(graph) {
-  Transform.prototype.init.call(this, graph);
-
-  this._prev = null;
-  this._interactive = false;
-  this._setup = true;
-  this._nodes  = [];
-  this._links = [];
-  this._layout = d3.layout.force();
-
-  Transform.addParameters(this, {
-    size: {type: 'array<value>', default: require('./screen').size},
-    bound: {type: 'value', default: true},
-    links: {type: 'data'},
-
-    // TODO: for now force these to be value params only (pun-intended)
-    // Can update to include fields after Parameter refactoring.
-    linkStrength: {type: 'value', default: 1},
-    linkDistance: {type: 'value', default: 20},
-    charge: {type: 'value', default: -30},
-
-    chargeDistance: {type: 'value', default: Infinity},
-    friction: {type: 'value', default: 0.9},
-    theta: {type: 'value', default: 0.8},
-    gravity: {type: 'value', default: 0.1},
-    alpha: {type: 'value', default: 0.1},
-    iterations: {type: 'value', default: 500},
-
-    interactive: {type: 'value', default: this._interactive},
-    active: {type: 'value', default: this._prev},
-    fixed: {type: 'data'}
-  });
-
-  this._output = {
-    'x': 'layout_x',
-    'y': 'layout_y'
-  };
-
-  return this.mutates(true);
-}
-
-var prototype = (Force.prototype = Object.create(Transform.prototype));
-prototype.constructor = Force;
-
-prototype.transform = function(nodeInput, reset) {
-  log.debug(nodeInput, ['force']);
-  reset = reset - (nodeInput.signals.active ? 1 : 0);
-
-  // get variables
-  var interactive = this.param('interactive'),
-      linkSource = this.param('links').source,
-      linkInput = linkSource.last(),
-      active = this.param('active'),
-      output = this._output,
-      layout = this._layout,
-      nodes = this._nodes,
-      links = this._links;
-
-  // configure nodes, links and layout
-  if (linkInput.stamp < nodeInput.stamp) linkInput = null;
-  this.configure(nodeInput, linkInput, interactive, reset);
-
-  // run batch layout
-  if (!interactive) {
-    var iterations = this.param('iterations');
-    for (var i=0; i<iterations; ++i) layout.tick();
-    layout.stop();
-  }
-
-  // update node positions
-  this.update(active);
-
-  // re-up alpha on parameter change
-  if (reset || active !== this._prev && active && active.update) {
-    layout.alpha(this.param('alpha')); // re-start layout
-  }
-
-  // update active node status,
-  if (active !== this._prev) {
-    this._prev = active;
-  }
-
-  // process removed nodes or edges
-  if (nodeInput.rem.length) {
-    layout.nodes(this._nodes = Tuple.idFilter(nodes, nodeInput.rem));
-  }
-  if (linkInput && linkInput.rem.length) {
-    layout.links(this._links = Tuple.idFilter(links, linkInput.rem));
-  }
-
-  // return changeset
-  nodeInput.fields[output.x] = 1;
-  nodeInput.fields[output.y] = 1;
-  return nodeInput;
-};
-
-prototype.configure = function(nodeInput, linkInput, interactive, reset) {
-  // check if we need to run configuration
-  var layout = this._layout,
-      update = this._setup || nodeInput.add.length ||
-            linkInput && linkInput.add.length ||
-            interactive !== this._interactive ||
-            this.param('charge') !== layout.charge() ||
-            this.param('linkStrength') !== layout.linkStrength() ||
-            this.param('linkDistance') !== layout.linkDistance();
-
-  if (update || reset) {
-    // a parameter changed, so update tick-only parameters
-    layout
-      .size(this.param('size'))
-      .chargeDistance(this.param('chargeDistance'))
-      .theta(this.param('theta'))
-      .gravity(this.param('gravity'))
-      .friction(this.param('friction'));
-  }
-
-  if (!update) return; // if no more updates needed, return now
-
-  this._setup = false;
-  this._interactive = interactive;
-
-  var force = this,
-      graph = this._graph,
-      nodes = this._nodes,
-      links = this._links, a, i;
-
-  // process added nodes
-  for (a=nodeInput.add, i=0; i<a.length; ++i) {
-    nodes.push({tuple: a[i]});
-  }
-
-  // process added edges
-  if (linkInput) for (a=linkInput.add, i=0; i<a.length; ++i) {
-    // TODO add configurable source/target accessors
-    // TODO support lookup by node id
-    // TODO process 'mod' of edge source or target?
-    links.push({
-      tuple:  a[i],
-      source: nodes[a[i].source],
-      target: nodes[a[i].target]
-    });
-  }
-
-  // setup handler for force layout tick events
-  var tickHandler = !interactive ? null : function() {
-    // re-schedule the transform, force reflow
-    graph.propagate(ChangeSet.create(null, true), force);
-  };
-
-  // configure the rest of the layout
-  layout
-    .linkStrength(this.param('linkStrength'))
-    .linkDistance(this.param('linkDistance'))
-    .charge(this.param('charge'))
-    .nodes(nodes)
-    .links(links)
-    .on('tick', tickHandler)
-    .start().alpha(this.param('alpha'));
-};
-
-prototype.update = function(active) {
-  var output = this._output,
-      bound = this.param('bound'),
-      fixed = this.param('fixed'),
-      size = this.param('size'),
-      nodes = this._nodes,
-      lut = {}, id, i, n, t, x, y;
-
-  if (fixed && fixed.source) {
-    // TODO: could cache and update as needed?
-    fixed = fixed.source.values();
-    for (i=0, n=fixed.length; i<n; ++i) {
-      lut[fixed[i].id] = 1;
-    }
-  }
-
-  for (i=0; i<nodes.length; ++i) {
-    n = nodes[i];
-    t = n.tuple;
-    id = t._id;
-
-    if (active && active.id === id) {
-      n.fixed = 1;
-      if (active.update) {
-        n.x = n.px = active.x;
-        n.y = n.py = active.y;
-      }
-    } else {
-      n.fixed = lut[id] || 0;
-    }
-
-    x = bound ? Math.max(0, Math.min(n.x, size[0])) : n.x;
-    y = bound ? Math.max(0, Math.min(n.y, size[1])) : n.y;
-    Tuple.set(t, output.x, x);
-    Tuple.set(t, output.y, y);
-  }
-};
-
-module.exports = Force;
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-
-},{"./Transform":139,"./screen":145,"vega-dataflow":41,"vega-logging":47}],128:[function(require,module,exports){
-var df = require('vega-dataflow'),
-    Tuple = df.Tuple,
-    SIGNALS = df.Dependencies.SIGNALS,
-    log = require('vega-logging'),
-    Transform = require('./Transform');
-
-function Formula(graph) {
-  Transform.prototype.init.call(this, graph);
-  Transform.addParameters(this, {
-    field: {type: 'value'},
-    expr:  {type: 'expr'}
-  });
-
-  return this.mutates(true);
-}
-
-var prototype = (Formula.prototype = Object.create(Transform.prototype));
-prototype.constructor = Formula;
-
-prototype.transform = function(input) {
-  log.debug(input, ['formulating']);
-
-  var g = this._graph,
-      field = this.param('field'),
-      expr = this.param('expr'),
-      signals = g.values(SIGNALS, this.dependency(SIGNALS));
-
-  function set(x) {
-    Tuple.set(x, field, expr(x, null, signals));
-  }
-
-  input.add.forEach(set);
-
-  if (this.reevaluate(input)) {
-    input.mod.forEach(set);
-  }
-
-  input.fields[field] = 1;
-  return input;
-};
-
-module.exports = Formula;
-},{"./Transform":139,"vega-dataflow":41,"vega-logging":47}],129:[function(require,module,exports){
-(function (global){
-var d3 = (typeof window !== "undefined" ? window['d3'] : typeof global !== "undefined" ? global['d3'] : null),
-    dl = require('datalib'),
-    Tuple = require('vega-dataflow').Tuple,
-    log = require('vega-logging'),
-    Transform = require('./Transform');
-
-function Geo(graph) {
-  Transform.prototype.init.call(this, graph);
-  Transform.addParameters(this, Geo.Parameters);
-  Transform.addParameters(this, {
-    lon: {type: 'field'},
-    lat: {type: 'field'}
-  });
-
-  this._output = {
-    'x': 'layout_x',
-    'y': 'layout_y'
-  };
-  return this.mutates(true);
-}
-
-Geo.Parameters = {
-  projection: {type: 'value', default: 'mercator'},
-  center:     {type: 'array<value>'},
-  translate:  {type: 'array<value>', default: require('./screen').center},
-  rotate:     {type: 'array<value>'},
-  scale:      {type: 'value'},
-  precision:  {type: 'value'},
-  clipAngle:  {type: 'value'},
-  clipExtent: {type: 'value'}
-};
-
-Geo.d3Projection = function() {
-  var p = this.param('projection'),
-      param = Geo.Parameters,
-      proj, name, value;
-
-  if (p !== this._mode) {
-    this._mode = p;
-    this._projection = d3.geo[p]();
-  }
-  proj = this._projection;
-
-  for (name in param) {
-    if (name === 'projection' || !proj[name]) continue;
-    value = this.param(name);
-    if (value === undefined || (dl.isArray(value) && value.length === 0)) {
-      continue;
-    }
-    if (value !== proj[name]()) {
-      proj[name](value);
-    }
-  }
-
-  return proj;
-};
-
-var prototype = (Geo.prototype = Object.create(Transform.prototype));
-prototype.constructor = Geo;
-
-prototype.transform = function(input) {
-  log.debug(input, ['geo']);
-
-  var output = this._output,
-      lon = this.param('lon').accessor,
-      lat = this.param('lat').accessor,
-      proj = Geo.d3Projection.call(this);
-
-  function set(t) {
-    var ll = [lon(t), lat(t)];
-    var xy = proj(ll) || [null, null];
-    Tuple.set(t, output.x, xy[0]);
-    Tuple.set(t, output.y, xy[1]);
-  }
-
-  input.add.forEach(set);
-  if (this.reevaluate(input)) {
-    input.mod.forEach(set);
-    input.rem.forEach(set);
-  }
-
-  input.fields[output.x] = 1;
-  input.fields[output.y] = 1;
-  return input;
-};
-
-module.exports = Geo;
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-
-},{"./Transform":139,"./screen":145,"datalib":26,"vega-dataflow":41,"vega-logging":47}],130:[function(require,module,exports){
-(function (global){
-var d3 = (typeof window !== "undefined" ? window['d3'] : typeof global !== "undefined" ? global['d3'] : null),
-    dl = require('datalib'),
-    Tuple = require('vega-dataflow').Tuple,
-    log = require('vega-logging'),
-    Geo = require('./Geo'),
-    Transform = require('./Transform');
-
-function GeoPath(graph) {
-  Transform.prototype.init.call(this, graph);
-  Transform.addParameters(this, Geo.Parameters);
-  Transform.addParameters(this, {
-    field: {type: 'field', default: null},
-  });
-
-  this._output = {
-    'path': 'layout_path'
-  };
-  return this.mutates(true);
-}
-
-var prototype = (GeoPath.prototype = Object.create(Transform.prototype));
-prototype.constructor = GeoPath;
-
-prototype.transform = function(input) {
-  log.debug(input, ['geopath']);
-
-  var output = this._output,
-      geojson = this.param('field').accessor || dl.identity,
-      proj = Geo.d3Projection.call(this),
-      path = d3.geo.path().projection(proj);
-
-  function set(t) {
-    Tuple.set(t, output.path, path(geojson(t)));
-  }
-
-  input.add.forEach(set);
-  if (this.reevaluate(input)) {
-    input.mod.forEach(set);
-    input.rem.forEach(set);
-  }
-
-  input.fields[output.path] = 1;
-  return input;
-};
-
-module.exports = GeoPath;
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-
-},{"./Geo":129,"./Transform":139,"datalib":26,"vega-dataflow":41,"vega-logging":47}],131:[function(require,module,exports){
-(function (global){
-var d3 = (typeof window !== "undefined" ? window['d3'] : typeof global !== "undefined" ? global['d3'] : null),
-    dl = require('datalib'),
-    Tuple = require('vega-dataflow').Tuple,
-    log = require('vega-logging'),
-    Transform = require('./Transform'),
-    BatchTransform = require('./BatchTransform');
-
-function Hierarchy(graph) {
-  BatchTransform.prototype.init.call(this, graph);
-  Transform.addParameters(this, {
-    // hierarchy parameters
-    sort: {type: 'array<field>', default: null},
-    children: {type: 'field', default: 'children'},
-    parent: {type: 'field', default: 'parent'},
-    field: {type: 'value', default: null},
-    // layout parameters
-    mode: {type: 'value', default: 'tidy'}, // tidy, cluster, partition
-    size: {type: 'array<value>', default: require('./screen').size},
-    nodesize: {type: 'array<value>', default: null},
-    orient: {type: 'value', default: 'cartesian'}
-  });
-
-  this._mode = null;
-  this._output = {
-    'x':      'layout_x',
-    'y':      'layout_y',
-    'width':  'layout_width',
-    'height': 'layout_height',
-    'depth':  'layout_depth'
-  };
-  return this.mutates(true);
-}
-
-var PARTITION = 'partition';
-
-var SEPARATION = {
-  cartesian: function(a, b) { return (a.parent === b.parent ? 1 : 2); },
-  radial: function(a, b) { return (a.parent === b.parent ? 1 : 2) / a.depth; }
-};
-
-var prototype = (Hierarchy.prototype = Object.create(BatchTransform.prototype));
-prototype.constructor = Hierarchy;
-
-prototype.batchTransform = function(input, data) {
-  log.debug(input, ['hierarchy layout']);
-
-  // get variables
-  var layout = this._layout,
-      output = this._output,
-      mode   = this.param('mode'),
-      sort   = this.param('sort'),
-      nodesz = this.param('nodesize'),
-      parent = this.param('parent').accessor,
-      root = data.filter(function(d) { return parent(d) === null; })[0];
-
-  if (mode !== this._mode) {
-    this._mode = mode;
-    if (mode === 'tidy') mode = 'tree';
-    layout = (this._layout = d3.layout[mode]());
-  }
-
-  input.fields[output.x] = 1;
-  input.fields[output.y] = 1;
-  input.fields[output.depth] = 1;
-  if (mode === PARTITION) {
-    input.fields[output.width] = 1;
-    input.fields[output.height] = 1;
-    layout.value(this.param('field').accessor);
-  } else {
-    layout.separation(SEPARATION[this.param('orient')]);
-  }
-
-  if (nodesz.length && mode !== PARTITION) {
-    layout.nodeSize(nodesz);
-  } else {
-    layout.size(this.param('size'));
-  }
-
-  layout
-    .sort(sort.field.length ? dl.comparator(sort.field) : null)
-    .children(this.param('children').accessor)
-    .nodes(root);
-
-  // copy layout values to nodes
-  data.forEach(function(n) {
-    Tuple.set(n, output.x, n.x);
-    Tuple.set(n, output.y, n.y);
-    Tuple.set(n, output.depth, n.depth);
-    if (mode === PARTITION) {
-      Tuple.set(n, output.width, n.dx);
-      Tuple.set(n, output.height, n.dy);
-    }
-  });
-
-  // return changeset
-  return input;
-};
-
-module.exports = Hierarchy;
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-
-},{"./BatchTransform":119,"./Transform":139,"./screen":145,"datalib":26,"vega-dataflow":41,"vega-logging":47}],132:[function(require,module,exports){
-var dl = require('datalib'),
-    log = require('vega-logging'),
-    Tuple = require('vega-dataflow').Tuple,
-    Transform = require('./Transform'),
-    BatchTransform = require('./BatchTransform');
-
-function Impute(graph) {
-  BatchTransform.prototype.init.call(this, graph);
-  Transform.addParameters(this, {
-    groupby: {type: 'array<field>'},
-    orderby: {type: 'array<field>'},
-    field:   {type: 'field'},
-    method:  {type: 'value', default: 'value'},
-    value:   {type: 'value', default: 0}
-  });
-
-  return this.router(true).produces(true);
-}
-
-var prototype = (Impute.prototype = Object.create(BatchTransform.prototype));
-prototype.constructor = Impute;
-
-prototype.batchTransform = function(input, data) {
-  log.debug(input, ['imputing']);
-
-  var groupby = this.param('groupby'),
-      orderby = this.param('orderby'),
-      method = this.param('method'),
-      value = this.param('value'),
-      field = this.param('field'),
-      get = field.accessor,
-      name = field.field,
-      prev = this._imputed || [], curr = [],
-      groups = partition(data, groupby.accessor, orderby.accessor),
-      domain = groups.domain,
-      group, i, j, n, m, t;
-
-  function getval(x) {
-    return x == null ? null : get(x);
-  }
-
-  for (j=0, m=groups.length; j<m; ++j) {
-    group = groups[j];
-
-    // determine imputation value
-    if (method !== 'value') {
-      value = dl[method](group, getval);
-    }
-
-    // add tuples for missing values
-    for (i=0, n=group.length; i<n; ++i) {
-      if (group[i] == null) {
-        t = tuple(groupby.field, group.values, orderby.field, domain[i]);
-        t[name] = value;
-        curr.push(t);
-      }
-    }
-  }
-
-  // update changeset with imputed tuples
-  for (i=0, n=curr.length; i<n; ++i) {
-    input.add.push(curr[i]);
-  }
-  for (i=0, n=prev.length; i<n; ++i) {
-    input.rem.push(prev[i]);
-  }
-  this._imputed = curr;
-
-  return input;
-};
-
-function tuple(gb, gv, ob, ov) {
-  var t = {_imputed: true}, i;
-  for (i=0; i<gv.length; ++i) t[gb[i]] = gv[i];
-  for (i=0; i<ov.length; ++i) t[ob[i]] = ov[i];
-  return Tuple.ingest(t);
-}
-
-function partition(data, groupby, orderby) {
-  var groups = [],
-      get = function(f) { return f(x); },
-      val = function(d) { return (x=d, orderby.map(get)); },
-      map, i, x, k, g, domain, lut, N;
-
-  domain = groups.domain = dl.unique(data, val);
-  N = domain.length;
-  lut = domain.reduce(function(m, d, i) {
-    return (m[d] = {value:d, index:i}, m);
-  }, {});
-
-  // partition data points into groups
-  for (map={}, i=0; i<data.length; ++i) {
-    x = data[i];
-    k = groupby == null ? [] : groupby.map(get);
-    g = map[k] || (groups.push(map[k] = Array(N)), map[k].values = k, map[k]);
-    g[lut[val(x)].index] = x;
-  }
-
-  return groups;
-}
-
-module.exports = Impute;
-},{"./BatchTransform":119,"./Transform":139,"datalib":26,"vega-dataflow":41,"vega-logging":47}],133:[function(require,module,exports){
-var Tuple = require('vega-dataflow').Tuple,
-    log = require('vega-logging'),
-    Transform = require('./Transform');
-
-function LinkPath(graph) {
-  Transform.prototype.init.call(this, graph);
-  Transform.addParameters(this, {
-    sourceX:  {type: 'field', default: '_source.layout_x'},
-    sourceY:  {type: 'field', default: '_source.layout_y'},
-    targetX:  {type: 'field', default: '_target.layout_x'},
-    targetY:  {type: 'field', default: '_target.layout_y'},
-    tension:  {type: 'value', default: 0.2},
-    shape:    {type: 'value', default: 'line'}
-  });
-
-  this._output = {'path': 'layout_path'};
-  return this.mutates(true);
-}
-
-var prototype = (LinkPath.prototype = Object.create(Transform.prototype));
-prototype.constructor = LinkPath;
-
-function line(sx, sy, tx, ty) {
-  return 'M' + sx + ',' + sy +
-         'L' + tx + ',' + ty;
-}
-
-function curve(sx, sy, tx, ty, tension) {
-  var dx = tx - sx,
-      dy = ty - sy,
-      ix = tension * (dx + dy),
-      iy = tension * (dy - dx);
-  return 'M' + sx + ',' + sy +
-         'C' + (sx+ix) + ',' + (sy+iy) +
-         ' ' + (tx+iy) + ',' + (ty-ix) +
-         ' ' + tx + ',' + ty;
-}
-
-function cornerX(sx, sy, tx, ty) {
-  return 'M' + sx + ',' + sy +
-         'V' + ty + 'H' + tx;
-}
-
-function cornerY(sx, sy, tx, ty) {
-  return 'M' + sx + ',' + sy +
-         'H' + tx + 'V' + ty;
-}
-
-function cornerR(sa, sr, ta, tr) {
-  var sc = Math.cos(sa),
-      ss = Math.sin(sa),
-      tc = Math.cos(ta),
-      ts = Math.sin(ta),
-      sf = Math.abs(ta - sa) > Math.PI ? ta <= sa : ta > sa;
-  return 'M' + (sr*sc) + ',' + (sr*ss) +
-         'A' + sr + ',' + sr + ' 0 0,' + (sf?1:0) +
-         ' ' + (sr*tc) + ',' + (sr*ts) +
-         'L' + (tr*tc) + ',' + (tr*ts);
-}
-
-function diagonalX(sx, sy, tx, ty) {
-  var m = (sx + tx) / 2;
-  return 'M' + sx + ',' + sy +
-         'C' + m  + ',' + sy +
-         ' ' + m  + ',' + ty +
-         ' ' + tx + ',' + ty;
-}
-
-function diagonalY(sx, sy, tx, ty) {
-  var m = (sy + ty) / 2;
-  return 'M' + sx + ',' + sy +
-         'C' + sx + ',' + m +
-         ' ' + tx + ',' + m +
-         ' ' + tx + ',' + ty;
-}
-
-function diagonalR(sa, sr, ta, tr) {
-  var sc = Math.cos(sa),
-      ss = Math.sin(sa),
-      tc = Math.cos(ta),
-      ts = Math.sin(ta),
-      mr = (sr + tr) / 2;
-  return 'M' + (sr*sc) + ',' + (sr*ss) +
-         'C' + (mr*sc) + ',' + (mr*ss) +
-         ' ' + (mr*tc) + ',' + (mr*ts) +
-         ' ' + (tr*tc) + ',' + (tr*ts);
-}
-
-var shapes = {
-  line:      line,
-  curve:     curve,
-  cornerX:   cornerX,
-  cornerY:   cornerY,
-  cornerR:   cornerR,
-  diagonalX: diagonalX,
-  diagonalY: diagonalY,
-  diagonalR: diagonalR
-};
-
-prototype.transform = function(input) {
-  log.debug(input, ['linkpath']);
-
-  var output = this._output,
-      shape = shapes[this.param('shape')] || shapes.line,
-      sourceX = this.param('sourceX').accessor,
-      sourceY = this.param('sourceY').accessor,
-      targetX = this.param('targetX').accessor,
-      targetY = this.param('targetY').accessor,
-      tension = this.param('tension');
-
-  function set(t) {
-    var path = shape(sourceX(t), sourceY(t), targetX(t), targetY(t), tension);
-    Tuple.set(t, output.path, path);
-  }
-
-  input.add.forEach(set);
-  if (this.reevaluate(input)) {
-    input.mod.forEach(set);
-    input.rem.forEach(set);
-  }
-
-  input.fields[output.path] = 1;
-  return input;
-};
-
-module.exports = LinkPath;
-},{"./Transform":139,"vega-dataflow":41,"vega-logging":47}],134:[function(require,module,exports){
-var Tuple = require('vega-dataflow').Tuple,
-    log = require('vega-logging'),
-    Transform = require('./Transform');
-
-function Lookup(graph) {
-  Transform.prototype.init.call(this, graph);
-  Transform.addParameters(this, {
-    on:      {type: 'data'},
-    onKey:   {type: 'field', default: null},
-    as:      {type: 'array<value>'},
-    keys:    {type: 'array<field>', default: ['data']},
-    default: {type: 'value'}
-  });
-
-  return this.mutates(true);
-}
-
-var prototype = (Lookup.prototype = Object.create(Transform.prototype));
-prototype.constructor = Lookup;
-
-prototype.transform = function(input, reset) {
-  log.debug(input, ['lookup']);
-
-  var on = this.param('on'),
-      onLast = on.source.last(),
-      onData = on.source.values(),
-      onKey = this.param('onKey'),
-      onF = onKey.field,
-      keys = this.param('keys'),
-      get = keys.accessor,
-      as = this.param('as'),
-      defaultValue = this.param('default'),
-      lut = this._lut,
-      i, v;
-
-  // build lookup table on init, withKey modified, or tuple add/rem
-  if (lut == null || this._on !== onF || onF && onLast.fields[onF] ||
-      onLast.add.length || onLast.rem.length)
-  {
-    if (onF) { // build hash from withKey field
-      onKey = onKey.accessor;
-      for (lut={}, i=0; i<onData.length; ++i) {
-        lut[onKey(v = onData[i])] = v;
-      }
-    } else { // otherwise, use index-based lookup
-      lut = onData;
-    }
-    this._lut = lut;
-    this._on = onF;
-    reset = true;
-  }
-
-  function set(t) {
-    for (var i=0; i<get.length; ++i) {
-      var v = lut[get[i](t)] || defaultValue;
-      Tuple.set(t, as[i], v);
-    }
-  }
-
-  input.add.forEach(set);
-  var run = keys.field.some(function(f) { return input.fields[f]; });
-  if (run || reset) {
-    input.mod.forEach(set);
-    input.rem.forEach(set);
-  }
-
-  as.forEach(function(k) { input.fields[k] = 1; });
-  return input;
-};
-
-module.exports = Lookup;
-},{"./Transform":139,"vega-dataflow":41,"vega-logging":47}],135:[function(require,module,exports){
-var dl = require('datalib'),
-    Deps = require('vega-dataflow').Dependencies,
-    expr = require('../parse/expr');
-
-var arrayType = /array/i,
-    dataType  = /data/i,
-    fieldType = /field/i,
-    exprType  = /expr/i,
-    valType   = /value/i;
-
-function Parameter(name, type, transform) {
-  this._name = name;
-  this._type = type;
-  this._transform = transform;
-
-  // If parameter is defined w/signals, it must be resolved
-  // on every pulse.
-  this._value = [];
-  this._accessors = [];
-  this._resolution = false;
-  this._signals = [];
-}
-
-var prototype = Parameter.prototype;
-
-function get() {
-  var isArray = arrayType.test(this._type),
-      isData  = dataType.test(this._type),
-      isField = fieldType.test(this._type);
-
-  var val = isArray ? this._value : this._value[0],
-      acc = isArray ? this._accessors : this._accessors[0];
-
-  if (!dl.isValid(acc) && valType.test(this._type)) {
-    return val;
-  } else {
-    return isData ? { name: val, source: acc } :
-    isField ? { field: val, accessor: acc } : val;
-  }
-}
-
-prototype.get = function() {
-  var graph = this._transform._graph,
-      isData  = dataType.test(this._type),
-      isField = fieldType.test(this._type),
-      i, n, sig, idx, val;
-
-  // If we don't require resolution, return the value immediately.
-  if (!this._resolution) return get.call(this);
-
-  if (isData) {
-    this._accessors = this._value.map(function(v) { return graph.data(v); });
-    return get.call(this); // TODO: support signal as dataTypes
-  }
-
-  for (i=0, n=this._signals.length; i<n; ++i) {
-    sig = this._signals[i];
-    idx = sig.index;
-    val = sig.value(graph);
-
-    if (isField) {
-      this._accessors[idx] = this._value[idx] != val ?
-        dl.accessor(val) : this._accessors[idx];
-    }
-
-    this._value[idx] = val;
-  }
-
-  return get.call(this);
-};
-
-prototype.set = function(value) {
-  var p = this,
-      isExpr = exprType.test(this._type),
-      isData  = dataType.test(this._type),
-      isField = fieldType.test(this._type);
-
-  p._signals = [];
-  this._value = dl.array(value).map(function(v, i) {
-    var e;
-    if (dl.isString(v)) {
-      if (isExpr) {
-        e = expr(v);
-        p._transform.dependency(Deps.FIELDS,  e.fields);
-        p._transform.dependency(Deps.SIGNALS, e.globals);
-        return e.fn;
-      } else if (isField) {  // Backwards compatibility
-        p._accessors[i] = dl.accessor(v);
-        p._transform.dependency(Deps.FIELDS, dl.field(v));
-      } else if (isData) {
-        p._resolution = true;
-        p._transform.dependency(Deps.DATA, v);
-      }
-      return v;
-    } else if (v.value !== undefined) {
-      return v.value;
-    } else if (v.field !== undefined) {
-      p._accessors[i] = dl.accessor(v.field);
-      p._transform.dependency(Deps.FIELDS, dl.field(v.field));
-      return v.field;
-    } else if (v.signal !== undefined) {
-      p._resolution = true;
-      p._transform.dependency(Deps.SIGNALS, v.signal);
-      p._signals.push({
-        index: i,
-        value: function(graph) { return graph.signalRef(v.signal); }
-      });
-      return v.signal;
-    } else if (v.expr !== undefined) {
-      p._resolution = true;
-      e = expr(v.expr);
-      p._transform.dependency(Deps.SIGNALS, e.globals);
-      p._signals.push({
-        index: i,
-        value: function(graph) {
-          return e.fn(null, null, graph.values(Deps.SIGNALS, e.globals));
-        }
-      });
-      return v.expr;
-    }
-
-    return v;
-  });
-
-  return p._transform;
-};
-
-module.exports = Parameter;
-},{"../parse/expr":96,"datalib":26,"vega-dataflow":41}],136:[function(require,module,exports){
-var dl = require('datalib'),
-    Tuple = require('vega-dataflow').Tuple,
-    log = require('vega-logging'),
-    Transform = require('./Transform'),
-    BatchTransform = require('./BatchTransform');
-
-function Pie(graph) {
-  BatchTransform.prototype.init.call(this, graph);
-  Transform.addParameters(this, {
-    field:      {type: 'field', default: null},
-    startAngle: {type: 'value', default: 0},
-    endAngle:   {type: 'value', default: 2 * Math.PI},
-    sort:       {type: 'value', default: false}
-  });
-
-  this._output = {
-    'start': 'layout_start',
-    'end':   'layout_end',
-    'mid':   'layout_mid'
-  };
-
-  return this.mutates(true);
-}
-
-var prototype = (Pie.prototype = Object.create(BatchTransform.prototype));
-prototype.constructor = Pie;
-
-function ones() { return 1; }
-
-prototype.batchTransform = function(input, data) {
-  log.debug(input, ['pie']);
-
-  var output = this._output,
-      field = this.param('field').accessor || ones,
-      start = this.param('startAngle'),
-      stop = this.param('endAngle'),
-      sort = this.param('sort');
-
-  var values = data.map(field),
-      a = start,
-      k = (stop - start) / dl.sum(values),
-      index = dl.range(data.length),
-      i, t, v;
-
-  if (sort) {
-    index.sort(function(a, b) {
-      return values[a] - values[b];
-    });
-  }
-
-  for (i=0; i<index.length; ++i) {
-    t = data[index[i]];
-    v = values[index[i]];
-    Tuple.set(t, output.start, a);
-    Tuple.set(t, output.mid, (a + 0.5 * v * k));
-    Tuple.set(t, output.end, (a += v * k));
-  }
-
-  input.fields[output.start] = 1;
-  input.fields[output.end] = 1;
-  input.fields[output.mid] = 1;
-  return input;
-};
-
-module.exports = Pie;
-},{"./BatchTransform":119,"./Transform":139,"datalib":26,"vega-dataflow":41,"vega-logging":47}],137:[function(require,module,exports){
-var dl = require('datalib'),
-    log  = require('vega-logging'),
-    Transform = require('./Transform');
-
-function Sort(graph) {
-  Transform.prototype.init.call(this, graph);
-  Transform.addParameters(this, {by: {type: 'array<field>'} });
-  this.router(true);
-}
-
-var prototype = (Sort.prototype = Object.create(Transform.prototype));
-prototype.constructor = Sort;
-
-prototype.transform = function(input) {
-  log.debug(input, ['sorting']);
-
-  if (input.add.length || input.mod.length || input.rem.length) {
-    input.sort = dl.comparator(this.param('by').field);
-  }
-  return input;
-};
-
-module.exports = Sort;
-},{"./Transform":139,"datalib":26,"vega-logging":47}],138:[function(require,module,exports){
-var dl = require('datalib'),
-    Tuple = require('vega-dataflow').Tuple,
-    log = require('vega-logging'),
-    Transform = require('./Transform'),
-    BatchTransform = require('./BatchTransform');
-
-function Stack(graph) {
-  BatchTransform.prototype.init.call(this, graph);
-  Transform.addParameters(this, {
-    groupby: {type: 'array<field>'},
-    sortby: {type: 'array<field>'},
-    field: {type: 'field'},
-    offset: {type: 'value', default: 'zero'}
-  });
-
-  this._output = {
-    'start': 'layout_start',
-    'end':   'layout_end',
-    'mid':   'layout_mid'
-  };
-  return this.mutates(true);
-}
-
-var prototype = (Stack.prototype = Object.create(BatchTransform.prototype));
-prototype.constructor = Stack;
-
-prototype.batchTransform = function(input, data) {
-  log.debug(input, ['stacking']);
-
-  var groupby = this.param('groupby').accessor,
-      sortby = dl.comparator(this.param('sortby').field),
-      field = this.param('field').accessor,
-      offset = this.param('offset'),
-      output = this._output;
-
-  // partition, sum, and sort the stack groups
-  var groups = partition(data, groupby, sortby, field);
-
-  // compute stack layouts per group
-  for (var i=0, max=groups.max; i<groups.length; ++i) {
-    var group = groups[i],
-        sum = group.sum,
-        off = offset==='center' ? (max - sum)/2 : 0,
-        scale = offset==='normalize' ? (1/sum) : 1,
-        j, x, a, b = off, v = 0;
-
-    // set stack coordinates for each datum in group
-    for (j=0; j<group.length; ++j) {
-      x = group[j];
-      a = b; // use previous value for start point
-      v += field(x);
-      b = scale * v + off; // compute end point
-      Tuple.set(x, output.start, a);
-      Tuple.set(x, output.end, b);
-      Tuple.set(x, output.mid, 0.5 * (a + b));
-    }
-  }
-
-  input.fields[output.start] = 1;
-  input.fields[output.end] = 1;
-  input.fields[output.mid] = 1;
-  return input;
-};
-
-function partition(data, groupby, sortby, field) {
-  var groups = [],
-      get = function(f) { return f(x); },
-      map, i, x, k, g, s, max;
-
-  // partition data points into stack groups
-  if (groupby == null) {
-    groups.push(data.slice());
-  } else {
-    for (map={}, i=0; i<data.length; ++i) {
-      x = data[i];
-      k = groupby.map(get);
-      g = map[k] || (groups.push(map[k] = []), map[k]);
-      g.push(x);
-    }
-  }
-
-  // compute sums of groups, sort groups as needed
-  for (k=0, max=0; k<groups.length; ++k) {
-    g = groups[k];
-    for (i=0, s=0; i<g.length; ++i) {
-      s += field(g[i]);
-    }
-    g.sum = s;
-    if (s > max) max = s;
-    if (sortby != null) g.sort(sortby);
-  }
-  groups.max = max;
-
-  return groups;
-}
-
-module.exports = Stack;
-},{"./BatchTransform":119,"./Transform":139,"datalib":26,"vega-dataflow":41,"vega-logging":47}],139:[function(require,module,exports){
-var df = require('vega-dataflow'),
-    Base = df.Node.prototype, // jshint ignore:line
-    Deps = df.Dependencies,
-    Parameter = require('./Parameter');
-
-function Transform(graph) {
-  if (graph) Base.init.call(this, graph);
-}
-
-Transform.addParameters = function(proto, params) {
-  proto._parameters = proto._parameters || {};
-  for (var name in params) {
-    var p = params[name],
-        param = new Parameter(name, p.type, proto);
-
-    proto._parameters[name] = param;
-
-    if (p.type === 'custom') {
-      if (p.set) param.set = p.set.bind(param);
-      if (p.get) param.get = p.get.bind(param);
-    }
-
-    if (p.hasOwnProperty('default')) param.set(p.default);
-  }
-};
-
-var prototype = (Transform.prototype = Object.create(Base));
-prototype.constructor = Transform;
-
-prototype.param = function(name, value) {
-  var param = this._parameters[name];
-  return (param === undefined) ? this :
-    (arguments.length === 1) ? param.get() : param.set(value);
-};
-
-// Perform transformation. Subclasses should override.
-prototype.transform = function(input/*, reset */) {
-  return input;
-};
-
-prototype.evaluate = function(input) {
-  // Many transforms store caches that must be invalidated if
-  // a signal value has changed.
-  var reset = this._stamp < input.stamp &&
-    this.dependency(Deps.SIGNALS).reduce(function(c, s) {
-      return c += input.signals[s] ? 1 : 0;
-    }, 0);
-  return this.transform(input, reset);
-};
-
-prototype.output = function(map) {
-  for (var key in this._output) {
-    if (map[key] !== undefined) {
-      this._output[key] = map[key];
-    }
-  }
-  return this;
-};
-
-module.exports = Transform;
-},{"./Parameter":135,"vega-dataflow":41}],140:[function(require,module,exports){
-var dl = require('datalib'),
-    Tuple = require('vega-dataflow').Tuple,
-    log = require('vega-logging'),
-    Transform = require('./Transform'),
-    BatchTransform = require('./BatchTransform');
-
-function Treeify(graph) {
-  BatchTransform.prototype.init.call(this, graph);
-  Transform.addParameters(this, {
-    groupby: {type: 'array<field>'}
-  });
-
-  this._output = {
-    'children': 'children',
-    'parent':   'parent'
-  };
-  return this.router(true).produces(true);
-}
-
-var prototype = (Treeify.prototype = Object.create(BatchTransform.prototype));
-prototype.constructor = Treeify;
-
-prototype.batchTransform = function(input, data) {
-  log.debug(input, ['treeifying']);
-
-  var fields = this.param('groupby').field,
-      childField = this._output.children,
-      parentField = this._output.parent,
-      summary = [{name:'*', ops: ['values'], as: [childField]}],
-      aggrs = fields.map(function(f) {
-        return dl.groupby(f).summarize(summary);
-      }),
-      prev = this._internal || [], curr = [], i, n;
-
-  function level(index, node, values) {
-    var vals = aggrs[index].execute(values);
-
-    node[childField] = vals;
-    vals.forEach(function(n) {
-      n[parentField] = node;
-      curr.push(Tuple.ingest(n));
-      if (index+1 < fields.length) level(index+1, n, n[childField]);
-      else n[childField].forEach(function(c) { c[parentField] = n; });
-    });
-  }
-
-  var root = Tuple.ingest({});
-  root[parentField] = null;
-  curr.push(root);
-  level(0, root, data);
-
-  // update changeset with internal nodes
-  for (i=0, n=curr.length; i<n; ++i) {
-    input.add.push(curr[i]);
-  }
-  for (i=0, n=prev.length; i<n; ++i) {
-    input.rem.push(prev[i]);
-  }
-  this._internal = curr;
-
-  return input;
-};
-
-module.exports = Treeify;
-},{"./BatchTransform":119,"./Transform":139,"datalib":26,"vega-dataflow":41,"vega-logging":47}],141:[function(require,module,exports){
-(function (global){
-var d3 = (typeof window !== "undefined" ? window['d3'] : typeof global !== "undefined" ? global['d3'] : null),
-    dl = require('datalib'),
-    Tuple = require('vega-dataflow').Tuple,
-    log = require('vega-logging'),
-    Transform = require('./Transform'),
-    BatchTransform = require('./BatchTransform');
-
-var defaultRatio = 0.5 * (1 + Math.sqrt(5));
-
-function Treemap(graph) {
-  BatchTransform.prototype.init.call(this, graph);
-  Transform.addParameters(this, {
-    // hierarchy parameters
-    sort: {type: 'array<field>', default: ['-value']},
-    children: {type: 'field', default: 'children'},
-    parent: {type: 'field', default: 'parent'},
-    field: {type: 'field', default: 'value'},
-    // treemap parameters
-    size: {type: 'array<value>', default: require('./screen').size},
-    round: {type: 'value', default: true},
-    sticky: {type: 'value', default: false},
-    ratio: {type: 'value', default: defaultRatio},
-    padding: {type: 'value', default: null},
-    mode: {type: 'value', default: 'squarify'}
-  });
-
-  this._layout = d3.layout.treemap();
-
-  this._output = {
-    'x':      'layout_x',
-    'y':      'layout_y',
-    'width':  'layout_width',
-    'height': 'layout_height',
-    'depth':  'layout_depth',
-  };
-  return this.mutates(true);
-}
-
-var prototype = (Treemap.prototype = Object.create(BatchTransform.prototype));
-prototype.constructor = Treemap;
-
-prototype.batchTransform = function(input, data) {
-  log.debug(input, ['treemap']);
-
-  // get variables
-  var layout = this._layout,
-      output = this._output,
-      sticky = this.param('sticky'),
-      parent = this.param('parent').accessor,
-      root = data.filter(function(d) { return parent(d) === null; })[0];
-
-  // layout.sticky resets state _regardless_ of input value
-  // so, we perform out own check first
-  if (layout.sticky() !== sticky) { layout.sticky(sticky); }
-
-  // configure layout
-  layout
-    .sort(dl.comparator(this.param('sort').field))
-    .children(this.param('children').accessor)
-    .value(this.param('field').accessor)
-    .size(this.param('size'))
-    .round(this.param('round'))
-    .ratio(this.param('ratio'))
-    .padding(this.param('padding'))
-    .mode(this.param('mode'))
-    .nodes(root);
-
-  // copy layout values to nodes
-  data.forEach(function(n) {
-    Tuple.set(n, output.x, n.x);
-    Tuple.set(n, output.y, n.y);
-    Tuple.set(n, output.width, n.dx);
-    Tuple.set(n, output.height, n.dy);
-    Tuple.set(n, output.depth, n.depth);
-  });
-
-  // return changeset
-  input.fields[output.x] = 1;
-  input.fields[output.y] = 1;
-  input.fields[output.width] = 1;
-  input.fields[output.height] = 1;
-  input.fields[output.depth] = 1;
-  return input;
-};
-
-module.exports = Treemap;
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-
-},{"./BatchTransform":119,"./Transform":139,"./screen":145,"datalib":26,"vega-dataflow":41,"vega-logging":47}],142:[function(require,module,exports){
-(function (global){
-var d3 = (typeof window !== "undefined" ? window['d3'] : typeof global !== "undefined" ? global['d3'] : null),
-    Tuple = require('vega-dataflow/src/Tuple'),
-    log = require('vega-logging'),
-    Transform = require('./Transform'),
-    BatchTransform = require('./BatchTransform');
-
-function Voronoi(graph) {
-  BatchTransform.prototype.init.call(this, graph);
-  Transform.addParameters(this, {
-    clipExtent: {type: 'array<value>', default: require('./screen').extent},
-    x: {type: 'field', default: 'layout_x'},
-    y: {type: 'field', default: 'layout_y'}
-  });
-
-  this._layout = d3.geom.voronoi();
-  this._output = {'path': 'layout_path'};
-
-  return this.mutates(true);
-}
-
-var prototype = (Voronoi.prototype = Object.create(BatchTransform.prototype));
-prototype.constructor = Voronoi;
-
-prototype.batchTransform = function(input, data) {
-  log.debug(input, ['voronoi']);
-
-  // get variables
-  var pathname = this._output.path;
-
-  // configure layout
-  var polygons = this._layout
-    .clipExtent(this.param('clipExtent'))
-    .x(this.param('x').accessor)
-    .y(this.param('y').accessor)
-    (data);
-
-  // build and assign path strings
-  for (var i=0; i<data.length; ++i) {
-    Tuple.set(data[i], pathname, 'M' + polygons[i].join('L') + 'Z');
-  }
-
-  // return changeset
-  input.fields[pathname] = 1;
-  return input;
-};
-
-module.exports = Voronoi;
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-
-},{"./BatchTransform":119,"./Transform":139,"./screen":145,"vega-dataflow/src/Tuple":40,"vega-logging":47}],143:[function(require,module,exports){
-(function (global){
-var dl = require('datalib'),
-    d3 = (typeof window !== "undefined" ? window['d3'] : typeof global !== "undefined" ? global['d3'] : null),
-    d3_cloud = require('d3-cloud'),
-    canvas = require('vega-scenegraph').canvas,
-    Tuple = require('vega-dataflow/src/Tuple'),
-    log = require('vega-logging'),
-    Transform = require('./Transform'),
-    BatchTransform = require('./BatchTransform'),
-    Parameter = require('./Parameter');
-
-function Wordcloud(graph) {
-  BatchTransform.prototype.init.call(this, graph);
-  Transform.addParameters(this, {
-    size: {type: 'array<value>', default: require('./screen').size},
-    text: {type: 'field', default: 'data'},
-    rotate: {type: 'field|value', default: 0},
-    font: {type: 'field|value', default: {value: 'sans-serif'}},
-    fontSize: {type: 'field|value', default: 14},
-    fontStyle: {type: 'field|value', default: {value: 'normal'}},
-    fontWeight: {type: 'field|value', default: {value: 'normal'}},
-    fontScale: {type: 'array<value>', default: [10, 50]},
-    padding: {type: 'value', default: 1},
-    spiral: {type: 'value', default: 'archimedean'}
-  });
-
-  this._layout = d3_cloud().canvas(canvas.instance);
-
-  this._output = {
-    'x':          'layout_x',
-    'y':          'layout_y',
-    'font':       'layout_font',
-    'fontSize':   'layout_fontSize',
-    'fontStyle':  'layout_fontStyle',
-    'fontWeight': 'layout_fontWeight',
-    'rotate':     'layout_rotate',
-  };
-
-  return this.mutates(true);
-}
-
-var prototype = (Wordcloud.prototype = Object.create(BatchTransform.prototype));
-prototype.constructor = Wordcloud;
-
-function get(p) {
-  return (p && p.accessor) || p;
-}
-
-function wrap(tuple) {
-  var x = Object.create(tuple);
-  x._tuple = tuple;
-  return x;
-}
-
-prototype.batchTransform = function(input, data) {
-  log.debug(input, ['wordcloud']);
-
-  // get variables
-  var layout = this._layout,
-      output = this._output,
-      fontSize = this.param('fontSize'),
-      range = fontSize.accessor && this.param('fontScale'),
-      size, scale;
-  fontSize = fontSize.accessor || d3.functor(fontSize);
-
-  // create font size scaling function as needed
-  if (range.length) {
-    scale = d3.scale.sqrt()
-      .domain(dl.extent(data, size=fontSize))
-      .range(range);
-    fontSize = function(x) { return scale(size(x)); };
-  }
-
-  // configure layout
-  layout
-    .size(this.param('size'))
-    .text(get(this.param('text')))
-    .padding(this.param('padding'))
-    .spiral(this.param('spiral'))
-    .rotate(get(this.param('rotate')))
-    .font(get(this.param('font')))
-    .fontStyle(get(this.param('fontStyle')))
-    .fontWeight(get(this.param('fontWeight')))
-    .fontSize(fontSize)
-    .words(data.map(wrap)) // wrap to avoid tuple writes
-    .on('end', function(words) {
-      var size = layout.size(),
-          dx = size[0] >> 1,
-          dy = size[1] >> 1,
-          w, t, i, len;
-
-      for (i=0, len=words.length; i<len; ++i) {
-        w = words[i];
-        t = w._tuple;
-        Tuple.set(t, output.x, w.x + dx);
-        Tuple.set(t, output.y, w.y + dy);
-        Tuple.set(t, output.font, w.font);
-        Tuple.set(t, output.fontSize, w.size);
-        Tuple.set(t, output.fontStyle, w.style);
-        Tuple.set(t, output.fontWeight, w.weight);
-        Tuple.set(t, output.rotate, w.rotate);
-      }
-    })
-    .start();
-
-  // return changeset
-  for (var key in output) input.fields[output[key]] = 1;
-  return input;
-};
-
-module.exports = Wordcloud;
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-
-},{"./BatchTransform":119,"./Parameter":135,"./Transform":139,"./screen":145,"d3-cloud":3,"datalib":26,"vega-dataflow/src/Tuple":40,"vega-logging":47,"vega-scenegraph":48}],144:[function(require,module,exports){
-module.exports = {
-  aggregate:    require('./Aggregate'),
-  bin:          require('./Bin'),
-  cross:        require('./Cross'),
-  countpattern: require('./CountPattern'),
-  linkpath:     require('./LinkPath'),
-  facet:        require('./Facet'),
-  filter:       require('./Filter'),
-  fold:         require('./Fold'),
-  force:        require('./Force'),
-  formula:      require('./Formula'),
-  geo:          require('./Geo'),
-  geopath:      require('./GeoPath'),
-  hierarchy:    require('./Hierarchy'),
-  impute:       require('./Impute'),
-  lookup:       require('./Lookup'),
-  pie:          require('./Pie'),
-  sort:         require('./Sort'),
-  stack:        require('./Stack'),
-  treeify:      require('./Treeify'),
-  treemap:      require('./Treemap'),
-  voronoi:      require('./Voronoi'),
-  wordcloud:    require('./Wordcloud')
-};
-},{"./Aggregate":118,"./Bin":120,"./CountPattern":121,"./Cross":122,"./Facet":123,"./Filter":125,"./Fold":126,"./Force":127,"./Formula":128,"./Geo":129,"./GeoPath":130,"./Hierarchy":131,"./Impute":132,"./LinkPath":133,"./Lookup":134,"./Pie":136,"./Sort":137,"./Stack":138,"./Treeify":140,"./Treemap":141,"./Voronoi":142,"./Wordcloud":143}],145:[function(require,module,exports){
-module.exports = {
-  size:   [{signal: 'width'}, {signal: 'height'}],
-  mid:    [{expr: 'width/2'}, {expr: 'height/2'}],
-  extent: [
-    {expr: '[-padding.left, -padding.top]'},
-    {expr: '[width+padding.right, height+padding.bottom]'}
-  ]
-};
-},{}]},{},[1])(1)
-});
-//# sourceMappingURL=vega.js.map
diff --git a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/conf.json b/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/conf.json
deleted file mode 100644
index 295d3bf27..000000000
--- a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/conf.json
+++ /dev/null
@@ -1,15 +0,0 @@
-{
-  "provider-conf": {
-    "tableName": "ORG_WSO2_IOT_ANDROID_PRESSURE_STATS",
-    "query": "",
-    "limit": "",
-    "provider-name": "batch"
-  },
-  "chart-conf": {
-    "x": "pressure",
-    "title": "PRESSURE",
-    "maxLength": "30",
-    "gadget-name": "PRESSURE",
-    "chart-name": "number-chart"
-  }
-}
\ No newline at end of file
diff --git a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/css/number-chart.css b/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/css/number-chart.css
deleted file mode 100644
index 5dde0413a..000000000
--- a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/css/number-chart.css
+++ /dev/null
@@ -1,35 +0,0 @@
-#canvas {
-    height: 100%;
-    width: 100%;
-}
-
-p {
-    margin: 0;
-    display: block;
-    text-align: center;
-    font-weight: bold;
-}
-
-.titlecanvasContent {
-   	color:steelblue;
-   	font-size:18px;
-    font-weight: normal;
-    padding: 10px 0;
-}
-
-.valcanvasContent {
-   	color:#438CAD;
-   	font-size:50px;
-    font-weight: normal;
-}
-
-
-.diffcanvasContent {
-   	color:#438CAD;
-   	font-size:14px;
-}
-
-.diffPercentagecanvasContent {
-   	color:#ff944d;
-   	font-size:14px;
-}
\ No newline at end of file
diff --git a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/gadget-controller.jag b/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/gadget-controller.jag
deleted file mode 100644
index f84538a40..000000000
--- a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/gadget-controller.jag
+++ /dev/null
@@ -1,42 +0,0 @@
-<%
-/**
- *  Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
- *
- *  WSO2 Inc. licenses this file to you under the Apache License,
- *  Version 2.0 (the "License"); you may not use this file except
- *  in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *  http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing,
- *  software distributed under the License is distributed on an
- *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- *  KIND, either express or implied.  See the License for the
- *  specific language governing permissions and limitations
- *  under the License.
- *
- */
-(function () {
-
-    response.contentType = 'application/json';
-    var PROVIDER_CONF = 'provider-conf';
-    var PROVIDER_NAME = 'provider-name';
-
-    var action = request.getParameter("action");
-    var data = request.getContent();
-    var providerConf = data[PROVIDER_CONF];
-    var providerAPI = require('js/core/' + providerConf[PROVIDER_NAME] + '-provider-api.js');
-
-    if (action === 'getSchema') {
-        print(providerAPI.getSchema(providerConf));
-        return;
-    } else if(action === 'getData'){
-        print(providerAPI.getData(providerConf));
-        return;
-    }
-
-}());
-
-
-%>
diff --git a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/gadget.json b/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/gadget.json
deleted file mode 100644
index 6590fbd07..000000000
--- a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/gadget.json
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-    "id": "PRESSURE",
-    "title": "PRESSURE",
-    "type": "gadget",
-    "thumbnail": "gadget/PRESSURE/thumbnail.png",
-    "data": {
-        "url": "gadget/PRESSURE/gadget.xml"
-    }
-}
diff --git a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/gadget.xml b/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/gadget.xml
deleted file mode 100644
index 68a0626b5..000000000
--- a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/gadget.xml
+++ /dev/null
@@ -1,58 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<Module>
-    <ModulePrefs title="PRESSURE" description="This is a template gadget">
-        <Require feature="dynamic-height"/>
-        <Require feature="wso2-gadgets-identity"/>
-    </ModulePrefs>
-    
-    <UserPref name="refreshInterval"
-              display_name="Refresh Interval"
-              default_value="1000000"/>
-     
-    <Content type="html">
-        <![CDATA[
-        <head>
-            <!-- shared css -->
-            
-             <link href="/portal/libs/analytics-wso2-2.0.0/common.css" rel="stylesheet" type="text/css" >
-            
-            <!-- chart vendor css -->
-            
-            <!-- chart specific css -->
-            
-            <link href="css/number-chart.css" rel="stylesheet" type="text/css">
-            
-
-            <!-- jQuery -->
-            <script src="/portal/libs/jquery_1.11.0/jquery-1.11.3.min.js"></script>
-            <!-- provider libs -->
-            
-            <!-- shared libs -->
-            
-            <script src="/portal/libs/analytics-wso2-2.0.0/d3.min.js"></script>
-            
-            <script src="/portal/libs/analytics-wso2-2.0.0/vega.js"></script>
-            
-            <script src="/portal/libs/analytics-wso2-2.0.0/VizGrammar.min.js"></script>
-            
-            <script src="/portal/libs/analytics-wso2-2.0.0/wso2gadgets.js"></script>
-            
-            <script src="/portal/libs/analytics-wso2-2.0.0/chart-utils.js"></script>
-            
-            <!-- chart specific vendor libs -->
-            
-            <!-- chart specific js -->
-            
-            <!--scripts copied by framework -->
-            
-            <script src="js/core/gadget-util.js"></script>
-            <script src="js/core/number-chart-api.js"></script>
-            <script src="js/core/gadget-core.js"></script>
-
-        </head>
-        <body>
-            <div id="canvas"></div>
-        </body>
-        ]]>
-    </Content>
-</Module>
diff --git a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/js/core/batch-provider-api.js b/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/js/core/batch-provider-api.js
deleted file mode 100644
index c275f8c9f..000000000
--- a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/js/core/batch-provider-api.js
+++ /dev/null
@@ -1,191 +0,0 @@
-/*
- * Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-var getConfig, validate, getMode, getSchema, getData, registerCallBackforPush;
-
-(function() {
-
-    var PROVIDERS_LOCATION = '/extensions/providers/';
-
-    var PROVIDER_NAME = 'batch';
-    var TYPE = "type";
-    var TABLE_NAME = "tableName";
-    var HTTPS_TRANSPORT = "https";
-    var CONTENT_TYPE_JSON = "application/json";
-    var AUTHORIZATION_HEADER = "Authorization";
-    var USER_TOKEN = "user";
-    var TENANT_DOMAIN = "domain";
-    var CONST_AT = "@";
-    var USERNAME = "username";
-    var HTTP_USER_NOT_AUTHENTICATED = 403;
-    var JS_MAX_VALUE = "9007199254740992";
-    var JS_MIN_VALUE = "-9007199254740992";
-
-    var typeMap = {
-        "bool" : "string",
-        "boolean" : "string",
-        "string" : "string",
-        "int" : "number",
-        "integer" : "number",
-        "long" : "number",
-        "double" : "number",
-        "float" : "number",
-        "time": "time"
-    };
-
-    var log = new Log();
-    var carbon = require('carbon');
-    var configs = require('/configs/designer.json');
-    var utils = require('/modules/utils.js');
-    var JSUtils = Packages.org.wso2.carbon.analytics.jsservice.Utils;
-    var AnalyticsCachedJSServiceConnector = Packages.org.wso2.carbon.analytics.jsservice.AnalyticsCachedJSServiceConnector;
-    var AnalyticsCache = Packages.org.wso2.carbon.analytics.jsservice.AnalyticsCachedJSServiceConnector.AnalyticsCache;
-    var cacheTimeoutSeconds = 5;
-    var loggedInUser = null;
-
-    if (configs.cacheTimeoutSeconds) {
-        cacheTimeoutSeconds = parseInt(configs.cacheTimeoutSeconds);
-    }
-    var cacheSizeBytes = 1024 * 1024 * 1024; // 1GB
-    if (configs.cacheSizeBytes) {
-        cacheSizeBytes = parseInt(configs.cacheSizeBytes);
-    }
-    response.contentType = CONTENT_TYPE_JSON;
-
-    var authParam = request.getHeader(AUTHORIZATION_HEADER);
-    if (authParam != null) {
-        credentials = JSUtils.authenticate(authParam);
-        loggedInUser = credentials[0];
-    } else {
-        var token = session.get(USER_TOKEN);
-        if (token != null) {
-            loggedInUser = token[USERNAME] + CONST_AT + token[TENANT_DOMAIN];
-        } else {
-            log.error("user is not authenticated!");
-            response.status = HTTP_USER_NOT_AUTHENTICATED;
-            print('{ "status": "Failed", "message": "User is not authenticated." }');
-            return;
-        }
-    }
-
-    var cache = application.get("AnalyticsWebServiceCache");
-    if (cache == null) {
-        cache = new AnalyticsCache(cacheTimeoutSeconds, cacheSizeBytes);
-        application.put("AnalyticsWebServiceCache", cache);
-    }
-    var connector = new AnalyticsCachedJSServiceConnector(cache);
-
-    /**
-     * require the existing config.json and push any dynamic fields that needs to be populated in the UI
-     */
-    getConfig = function() {
-        var formConfig = require(PROVIDERS_LOCATION + '/' + PROVIDER_NAME + '/config.json');
-        var tables;
-        try {
-            tables = JSON.parse(connector.getTableList(loggedInUser).getMessage());
-        } catch (e) {
-            log.error(e);
-        }
-        var configs = formConfig.config;
-        configs.forEach(function(config) {
-            if (config.fieldName === TABLE_NAME) {
-                config.valueSet = tables;
-            }
-        });
-        return formConfig;
-    }
-
-    /**
-     * validate the user input of provider configuration
-     * @param providerConfig
-     */
-    validate = function(providerConfig) {
-        /*
-        validate the form and return
-
-        */
-        return true;
-    }
-
-    /**
-     * returns the data mode either push or pull
-     */
-    getMode = function() {
-        return "PULL";
-    }
-
-    /**
-     * returns an array of column names & types
-     * @param providerConfig
-     */
-    getSchema = function(providerConfig) {
-        var schema = [];
-        var tableName = providerConfig["tableName"];
-        var result = connector.getTableSchema(loggedInUser, tableName).getMessage();
-        result = JSON.parse(result);
-        log.info(result);
-
-        var columns = result.columns;
-        Object.getOwnPropertyNames(columns).forEach(function(name, idx, array) {
-            var type = "ordinal";
-            if(columns[name]['type']) {
-              type = columns[name]['type'];
-            }
-            schema.push({
-                fieldName: name,
-                fieldType: typeMap[type.toLowerCase()]
-            });
-        });
-        // log.info(schema);
-        return schema;
-    };
-
-    /**
-     * returns the actual data
-     * @param providerConfig
-     * @param limit
-     */
-    getData = function(providerConfig, limit) {
-        var tableName = providerConfig.tableName;
-        var query = providerConfig.query;
-        var limit = 100;
-        if (providerConfig.limit) {
-            limit = providerConfig.limit;
-        }
-        var result;
-        //if there's a filter present, we should perform a Lucene search instead of reading the table
-        if (query) {
-            var filter = {
-                "query": query,
-                "start": 0,
-                "count": limit
-            };
-            result = connector.search(loggedInUser, tableName, stringify(filter)).getMessage();
-        } else {
-            var from = JS_MIN_VALUE;
-            var to = JS_MAX_VALUE;
-            result = connector.getRecordsByRange(loggedInUser, tableName, from, to, 0, limit, null).getMessage();
-
-        }
-        result = JSON.parse(result);
-        var data = [];
-        for (var i = 0; i < result.length; i++) {
-            var values = result[i].values;
-            data.push(values);
-        }
-        return data;
-    };
-
-}());
diff --git a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/js/core/gadget-core.js b/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/js/core/gadget-core.js
deleted file mode 100644
index 9dfe8683b..000000000
--- a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/js/core/gadget-core.js
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
-* Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
-*
-* Licensed under the Apache License, Version 2.0 (the "License");
-* you may not use this file except in compliance with the License.
-* You may obtain a copy of the License at
-*
-* http://www.apache.org/licenses/LICENSE-2.0
-*
-* Unless required by applicable law or agreed to in writing, software
-* distributed under the License is distributed on an "AS IS" BASIS,
-* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-* See the License for the specific language governing permissions and
-* limitations under the License.
-*/
-$(function () {
-    var gadgetLocation;
-    var conf;
-    var schema;
-    var pref = new gadgets.Prefs();
-    
-    var refreshInterval;
-    var providerData;
-    
-    var CHART_CONF = 'chart-conf';
-    var PROVIDER_CONF = 'provider-conf';
-    
-    var REFRESH_INTERVAL = 'refreshInterval';
-    
-var init = function () {
-    $.ajax({
-        url: gadgetLocation + '/conf.json',
-        method: "GET",
-        contentType: "application/json",
-        async: false,
-        success: function (data) {
-            conf = JSON.parse(data);
-            $.ajax({
-                url: gadgetLocation + '/gadget-controller.jag?action=getSchema',
-                method: "POST",
-                data: JSON.stringify(conf),
-                contentType: "application/json",
-                async: false,
-                success: function (data) {
-                    schema = data;
-                }
-            });
-            
-            getProviderData();
-            
-           }
-       });
-};
-
-var getProviderData = function (){
-    $.ajax({
-        url: gadgetLocation + '/gadget-controller.jag?action=getData',
-        method: "POST",
-        data: JSON.stringify(conf),
-        contentType: "application/json",
-        async: false,
-        success: function (data) {
-        providerData = data;
-        }
-    });
- return providerData;
-};
-
-
-var drawGadget = function (){
-    
-    draw('#canvas', conf[CHART_CONF], schema, providerData);
-    setInterval(function() {
-        draw('#canvas', conf[CHART_CONF], schema, getProviderData());
-    },pref.getInt(REFRESH_INTERVAL));
-    
-};
-
-getGadgetLocation(function (gadget_Location) {
-    gadgetLocation = gadget_Location;
-    init();
-    drawGadget();
-
-});
-});
diff --git a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/js/core/gadget-util.js b/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/js/core/gadget-util.js
deleted file mode 100644
index a095aa89e..000000000
--- a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/js/core/gadget-util.js
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-var getGadgetLocation = function (callback) {
-    var gadgetLocation = "/portal/store/carbon.super/fs/gadget/PRESSURE";
-	var PATH_SEPERATOR = "/";
-    if (gadgetLocation.search("store") != -1) {
-        wso2.gadgets.identity.getTenantDomain(function (tenantDomain) {
-            var gadgetPath = gadgetLocation.split(PATH_SEPERATOR);
-            var modifiedPath = '';
-            for (var i = 1; i < gadgetPath.length; i++) {
-                if (i === 3) {
-                    modifiedPath = modifiedPath.concat(PATH_SEPERATOR, tenantDomain);
-                } else {
-                    modifiedPath = modifiedPath.concat(PATH_SEPERATOR, gadgetPath[i])
-                }
-            }
-            callback(modifiedPath);
-        });
-    } else {
-        callback(gadgetLocation);
-    }
-}
\ No newline at end of file
diff --git a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/js/core/number-chart-api.js b/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/js/core/number-chart-api.js
deleted file mode 100644
index ef2c5da98..000000000
--- a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/js/core/number-chart-api.js
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-var getConfig, validate, isProviderRequired, draw, update;
-
-(function() {
-
-    var CHART_LOCATION = '/extensions/chart-templates/';
-
-    /**
-     * return the config to be populated in the chart configuration UI
-     * @param schema
-     */
-    getConfig = function(schema) {
-        var chartConf = require(CHART_LOCATION + '/number-chart/config.json').config;
-        /*
-         dynamic logic goes here
-         */
-        return chartConf;
-
-    };
-
-    /**
-     * validate the user inout for the chart configurationx
-     * @param chartConfig
-     */
-    validate = function(chartConfig) {
-        return true;
-    };
-
-    /**
-     * TO be used when provider configuration steps need to be skipped
-     */
-    isProviderRequired = function() {
-
-    }
-
-
-    /**
-     * return the gadget content
-     * @param chartConfig
-     * @param schema
-     * @param data
-     */
-    draw = function(placeholder, chartConfig, _schema, data) {
-        var schema = toVizGrammarSchema(_schema);
-        var view = {
-            id: "chart-0",
-            schema: schema,
-            chartConfig: buildChartConfig(chartConfig),
-            data: function() {
-                if(data) {
-                    var result = [];
-                    console.log(data);
-                    data.forEach(function(item) {
-                        var row = [];
-                        schema[0].metadata.names.forEach(function(name) {
-                            row.push(item[name]);
-                        });
-                        result.push(row);
-                    });
-                    console.log(result);
-                    wso2gadgets.onDataReady(result);
-                }
-            }
-
-        };
-
-        try {
-            wso2gadgets.init(placeholder, view);
-            var view = wso2gadgets.load("chart-0");
-        } catch (e) {
-            console.error(e);
-        }
-
-    };
-
-    /**
-     *
-     * @param data
-     */
-    update = function(data) {
-        wso2gadgets.onDataReady(data,"append");
-    }
-
-    buildChartConfig = function (_chartConfig) {
-        var conf = {};
-        conf.x = _chartConfig.x;
-        conf.maxLength = _chartConfig.maxLength;
-        conf.charts = [];
-        conf.charts[0] = {
-            type : "number",
-            title : _chartConfig.title
-        };
-        return conf;
-    };
-
-    
-}());
diff --git a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/thumbnail.png b/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/thumbnail.png
deleted file mode 100644
index 8b3f43540..000000000
Binary files a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/PRESSURE/thumbnail.png and /dev/null differ
diff --git a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/artifact.xml b/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/artifact.xml
deleted file mode 100644
index 38d79fcf9..000000000
--- a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_gadget/artifact.xml
+++ /dev/null
@@ -1,22 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
-  ~
-  ~ WSO2 Inc. licenses this file to you under the Apache License,
-  ~ Version 2.0 (the "License"); you may not use this file except
-  ~ in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~ http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing,
-  ~ software distributed under the License is distributed on an
-  ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-  ~ KIND, either express or implied. See the License for the
-  ~ specific language governing permissions and limitations
-  ~ under the License.
-  -->
-
-<artifact name= "android_pressure_gadget" version="1.0.0" type="dashboards/gadget" serverRole="DataAnalyticsServer">
-    <file>PRESSURE</file>
-</artifact>
diff --git a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_ui_event_publisher/artifact.xml b/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_ui_event_publisher/artifact.xml
deleted file mode 100644
index 957a53ff1..000000000
--- a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_ui_event_publisher/artifact.xml
+++ /dev/null
@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
-  ~
-  ~ WSO2 Inc. licenses this file to you under the Apache License,
-  ~ Version 2.0 (the "License"); you may not use this file except
-  ~ in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~ http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing,
-  ~ software distributed under the License is distributed on an
-  ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-  ~ KIND, either express or implied. See the License for the
-  ~ specific language governing permissions and limitations
-  ~ under the License.
-  -->
-
-<artifact name= "android_pressure_ui_event_publisher" version="1.0.0" type="event/publisher"
-		  serverRole="DataAnalyticsServer">
-	<file>org.wso2.iot.android.pressure.ui.publisher.xml</file>
-</artifact>
-
diff --git a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_ui_event_publisher/org.wso2.iot.android.pressure.ui.publisher.xml b/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_ui_event_publisher/org.wso2.iot.android.pressure.ui.publisher.xml
deleted file mode 100644
index e34ec35e9..000000000
--- a/components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.analytics/src/main/resources/carbonapps/androidsense/android_pressure_ui_event_publisher/org.wso2.iot.android.pressure.ui.publisher.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<eventPublisher name="org.wso2.iot.android.pressure.ui.publisher"
-  processing="enable" statistics="disable" trace="disable" xmlns="http://wso2.org/carbon/eventpublisher">
-  <from streamName="org.wso2.iot.android.pressure" version="1.0.0"/>
-  <mapping customMapping="disable" type="wso2event"/>
-  <to eventAdapterType="ui"/>
-</eventPublisher>