Add BackendController/AccesControl

Add the BackendController for all the backend controllers.
Add AccesControl

backend/controllers/AccountStateController.php

@@ -14,19 +14,8 @@ use common\models\User;
 /**
  * AccountStateController implements the CRUD actions for AccountState model.
  */
-class AccountStateController extends Controller
+class AccountStateController extends \backend\controllers\BackendController
 {
-    public function behaviors()
-    {
-        return [
-            'verbs' => [
-                'class' => VerbFilter::className(),
-                'actions' => [
-                    'delete' => ['post'],
-                ],
-            ],
-        ];
-    }
 
     /**
      * Lists all AccountState models.
@@ -104,13 +93,13 @@ class AccountStateController extends Controller
      * If deletion is successful, the browser will be redirected to the 'index' page.
      * @param integer $id
      * @return mixed
-     */
     public function actionDelete($id)
     {
         $this->findModel($id)->delete();
 
         return $this->redirect(['index']);
     }
+     */
 
     /**
      * Finds the AccountState model based on its primary key value.