Updated Serbian translation
Added Indonsian translation
Updated Traditional Chinese translation(Hong Kong and Taiwan)
Finnish translation update
Add AppData description

https://bugzilla.gnome.org/show_bug.cgi?id=707388
Updated Galician translations
Updated Spanish translation
Updated Russian translation
Updated Serbian translation
Updated Czech translation
rebased on top of current master
added playlists.py to makefile
added dialog for playlists selection.
added playlistdialog.ui
Some Add to Playlist Dialog cleanup

- Move some of the code into the ui file
- Fixed the renderer that doesn't show up
- Add missing window decorations
- Some code refactoring
Start editing New Playlist item on single click
add playlists controls ui
fix design
Update ui files from playlists branch in GNOME git

Updated files created by Eslam Mostafa
Cleanup class ordering