add return button on applications screen

Author: mboudraa

src/main/webapp/partials/applications.html

@@ -4,6 +4,9 @@
 
         <material-toolbar id="toolbar" class="toolbar">
             <div class="material-toolbar-tools">
+                <span class="fa fa-arrow-left toolbar-icon"
+                      ng-click="goHome()">
+            </span>
                 <img src="../images/logo-perfly.svg" width="122" height="52"></img>
                 <span flex></span>
 

src/main/webapp/scripts/controllers/ApplicationsController.js

@@ -20,6 +20,9 @@ angular.module('perfly')
             var deviceId = $routeParams['deviceId'];
             var progressDialogOpened = false;
 
+            $scope.goHome = function () {
+                $location.path('/');
+            }
 
             $scope.getPaletteTarget = function (index) {
                 return [{target: 'tile-header-' + index, alpha: 0.05}];