Add BackendController/AccesControl

Add the BackendController for all the backend controllers.
Add AccesControl

backend/controllers/ProductCategoryController.php

@@ -12,32 +12,8 @@ use yii\filters\VerbFilter;
 /**
  * ProductCategoryController implements the CRUD actions for ProductCategory model.
  */
-class ProductCategoryController extends Controller
+class ProductCategoryController extends \backend\controllers\BackendController
 {
-    public function behaviors()
-    {
-        return [
-            'verbs' => [
-                'class' => VerbFilter::className(),
-                'actions' => [
-                    'delete' => ['post'],
-                ],
-            ],
-        		'access' => [
-        				'class' => \yii\filters\AccessControl::className(),
-        				'only' => [   'index','view','create','update'],
-        				'rules' => [
-        						// allow authenticated users
-        						[
-        								'allow' => true,
-        								'roles' => ['@'],
-        						],
-        						// everything else is denied
-        				],
-        		],
-        		
-        ];
-    }
 
     /**
      * Lists all ProductCategory models.