Fixed operation label centering issue

components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/units/cdmf.unit.default.device.operation-bar/operation-bar.hbs

@@ -93,7 +93,7 @@
         <div class="row">
             <div class="col-lg-5 col-md-6 col-centered">
                 <h3>
-                    <span class="fw-stack">
+                    <span class="fw-stack center-block">
                         <i class="fw fw-circle-outline fw-stack-2x"></i>
                         <i id="status-icon" class="fw fw-error fw-stack-1x"></i>
                     </span>

components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/units/cdmf.unit.default.device.operation-bar/public/js/operation-bar.js

@@ -51,6 +51,7 @@ function submitForm(formId) {
     var defaultStatusClasses = "fw fw-stack-1x";
     var content = $("#operation-response-template").find(".content");
     var title = content.find("#title");
+    title.attr("class","center-block text-center");
     var statusIcon = content.find("#status-icon");
     var description = content.find("#description");
     var successCallBack = function (response) {

components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/units/cdmf.unit.device.operation-bar/operation-bar.hbs

@@ -109,7 +109,7 @@
         <div class="row">
             <div class="col-lg-5 col-md-6 col-centered">
                 <h3>
-                    <span class="fw-stack">
+                    <span class="fw-stack center-block">
                         <i class="fw fw-circle-outline fw-stack-2x"></i>
                         <i id="status-icon" class="fw fw-error fw-stack-1x"></i>
                     </span>

components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/units/cdmf.unit.device.operation-bar/public/js/operation-bar.js

@@ -39,6 +39,7 @@ function submitForm(formId) {
     var content = $("#operation-response-template").find(".content");
     var defaultStatusClasses = "fw fw-stack-1x";
     var title = content.find("#title");
+    title.attr("class","center-block text-center");
     var statusIcon = content.find("#status-icon");
     var description = content.find("#description");