public function index(Application $app, Request $request)
{
$NewsList = $app['eccube.repository.news']->findBy(array(), array('rank' => 'DESC'));
$builder = $app->form();
$event = new EventArgs(array('builder' => $builder, 'NewsList' => $NewsList), $request);
$app['eccube.event.dispatcher']->dispatch(EccubeEvents::ADMIN_CONTENT_NEWS_INDEX_INITIALIZE, $event);
$form = $builder->getForm();
return $app->render('Content/news.twig', array('form' => $form->createView(), 'NewsList' => $NewsList));
}