Merge remote-tracking branch 'origin/repeated_type_error_message'

Author: weaverryan

reference/forms/types/repeated.rst

@@ -4,4 +4,7 @@
 repeated Field Type
 ===================
 
-See :class:`Symfony\\Component\\Form\\Extension\\Core\\Type\\RepeatedType`.
+See :class:`Symfony\\Component\\Form\\Extension\\Core\\Type\\RepeatedType`.
+
+The invalid message displayed when the two submitted values are not the same
+can be customized via the ``invalid_message_template`` option.