refactor users module to domain/controller and release 0.253 update package

admin/ajax/users.php

@@ -3,7 +3,9 @@ $a = \S::get( 'a' );
 
 if ( $a == 'check_login' )
 {
-  $response = \admin\factory\Users::check_login( \S::get( 'login' ), \S::get( 'user_id' ) );
+  global $mdb;
+  $repository = new \Domain\User\UserRepository( $mdb );
+  $response = $repository->checkLogin( (string)\S::get( 'login' ), (int)\S::get( 'user_id' ) );
   echo json_encode( $response );
   exit;
-}
+}