Add BackendController/AccesControl

Add the BackendController for all the backend controllers.
Add AccesControl

backend/controllers/TicketController.php

@@ -15,19 +15,8 @@ use common\models\Account;
 /**
  * TicketController implements the CRUD actions for Ticket model.
  */
-class TicketController extends Controller
+class TicketController extends \backend\controllers\BackendController
 {
-    public function behaviors()
-    {
-        return [
-            'verbs' => [
-                'class' => VerbFilter::className(),
-                'actions' => [
-                    'delete' => ['post'],
-                ],
-            ],
-        ];
-    }
 
     /**
      * Lists all Ticket models.