updated user manager to track the role change

@@ -407,12 +407,15 @@ class AccountValidation extends Common\Validation {
     }
     
     public function user_role($val) {
+        /*
         $user = new User\Account($_POST['uid']);
         try {
             $user->set_role($val);
         } catch (Exception $e) {
             throw new Exception($e->getMessage());
         }
+        */
+        CBV\user_change_role($val, $_POST['uid']);
     }
     
     public function password1($val) {