Added partial WPML support. Now you can translate custom menu titles with WPML. Default menus and menus created by other plugins can only be translated if you modify their title through the menu editor first.

git-svn-id: https://plugins.svn.wordpress.org/admin-menu-editor/trunk@757169 b8457f37-d9ea-0310-8a92-e5e31aec5664