Merge pull request #608 from Kamidu/cloud-3.1.0

resolving return type issue in group mgt

components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/modules/business-controllers/group.js

@@ -48,7 +48,7 @@ var groupModule = {};
         }
         return serviceInvokers.XMLHttp.get(
                 endPoint, function (responsePayload) {
-                    return responsePayload["responseText"];
+                   return parse(responsePayload["responseText"]);
                 },
                 function (responsePayload) {
                     log.error(responsePayload["responseText"]);