* master:
  changed Swiftmailer autoloader to use the Swiftmailer one (it automatically loads the init file)
  added a way to render a controller from a template (like in Symfony2)
  fixed typo
  added SessionCsrfProvider support in FormExtension when SessionExtension is registered
  fixed priority of the session listener (matches the priority set in Symfony FrameworkBundle)
  updated Twig vendor
  Updated the doc for the SessionExtension
  Made the default locale configurable
  updated domain names
  added a tip about a possible problem with phar archives