/**
  * @Route("/", name="homepage")
  */
 public function indexAction(Request $request)
 {
     $config = new Config();
     $config->addOption(new Option('A'));
     $config->addOption(new Option('B'));
     $config->addOption(new Option('C'));
     dump($config);
     $form = $this->createForm(new ConfigType(), $config);
     $form->handleRequest($request);
     if ($form->isValid()) {
         dump($config);
         die;
     }
     return $this->render('AppBundle:Default:index.html.twig', ['form' => $form->createView()]);
 }