[Intl] Improved FormTypeCsrfExtension to use the type class as default intention if the form name is empty
[Intl] Improved FormTypeCsrfExtension to use the type class as default intention if the form name is empty
Merge branch '2.2' into 2.3

* 2.2:
  [DoctrineBridge] Added type check to prevent calling clear() on arrays
  [Intl] Improved FormTypeCsrfExtension to use the type class as default intention if the form name is empty
  Fix docblock typo

Conflicts:
	src/Symfony/Component/Form/Extension/Csrf/Type/FormTypeCsrfExtension.php