Ignore generated car files from git

.gitignore

@@ -22,3 +22,6 @@ target
 
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
+
+# Ignore generated capps
+carbonapps

features/device-mgt-iot-androidsense-feature/org.wso2.carbon.device.mgt.iot.androidsense.analytics/build.xml

@@ -22,6 +22,7 @@
     </target>
 
     <target name="zip" depends="clean">
+        <mkdir dir="${target-dir}"/>
         <zip destfile="${target-dir}/${GPS_dir}.car">
             <zipfileset dir="${GPS_dir}"/>
         </zip>

features/device-mgt-iot-virtualfirealarm-feature/org.wso2.carbon.device.mgt.iot.virtualfirealarm.analytics/build.xml

@@ -13,6 +13,7 @@
     </target>
 
     <target name="zip" depends="clean">
+        <mkdir dir="${target-dir}"/>
         <zip destfile="${target-dir}/${Temperature_Sensor_dir}.car">
             <zipfileset dir="${Temperature_Sensor_dir}"/>
         </zip>