public function registerAjaxAction(Request $request)
    {
        $result = array();

         $user = new User();

        $form = $this->createForm(new UserType(), $user);

        $form->handleRequest($request);

        if ($form->isValid())
        {
            $result[] = "papai valdo";
        }
        else
        {
            $result[] = $form->getErrors();
        }


        return new Response(json_encode($result));
    }