/**
* @param Request $request
* @param Application $app
* @return mixed
*/
public function verJson(Request $request, Application $app)
{
$imagenModelo = new ImagenModelo($app['db']);
$imagenes = $imagenModelo->getImagenes();
return $app['twig']->render('backend/imagen/listJson.html.twig', array('imagenes' => $imagenes));
}