/**
  * Register the form builder instance.
  * @return void
  */
 protected function registerFormBuilder()
 {
     $this->app->bindShared('SleepingOwl\\Html\\FormBuilder', function ($app) {
         $htmlBuilder = $app->make('SleepingOwl\\Html\\HtmlBuilder');
         $form = new FormBuilder($htmlBuilder, $app['url'], $app['session.store']->getToken());
         return $form->setSessionStore($app['session.store']);
     });
 }