Add update check and apply buttons in app view

src/views/app.js

@@ -407,6 +407,7 @@ angular.module('Application').controller('AppController', ['$scope', '$location'
     $scope.updates = {
         busy: false,
         busyCheck: false,
+        busyUpdate: false,
 
         enableAutomaticUpdate: false,
 
@@ -437,6 +438,23 @@ angular.module('Application').controller('AppController', ['$scope', '$location'
 
                 $scope.updates.busyCheck = false;
             });
+        },
+
+        askUpdate: function () {
+            $scope.updates.busyUpdate = false;
+            $('#updateModal').modal('show');
+        },
+
+        confirmUpdate: function () {
+            $scope.updates.busyUpdate = true;
+
+            Client.updateApp($scope.app.id, $scope.config.update.apps[$scope.app.id].manifest, function (error) {
+                $scope.updates.busyUpdate = false;
+                if (error) return Client.error(error);
+
+                $('#updateModal').modal('hide');
+                trackAppTask();
+            });
         }
     };