* Add <meta> tag output to describe post data for Filament Apps to read
* Add end-point for Filament App to ping to get category, tag and public post_type information to help improve Filament App UI experience for WordPress sites
* Add translation compatibility for messaging

git-svn-id: https://plugins.svn.wordpress.org/filament/branches/ai@886945 b8457f37-d9ea-0310-8a92-e5e31aec5664