Added UI and QSettings support for playlist metadata and path types.
Slight change to the QSettings keys for playlist paths and metadata.
Hopefully this finishes the path part of playlist preferences.
Quick try to get metadata working on XSPF and M3U.
Finish the last of my Playlist path preferences patch.
Add a quick change menu to the playlist container.
Finished the changes to the quick change menu. Everything should work.
Automatic merge of translations from Transifex (https://www.transifex.com/projects/p/clementine/resource/clementineplayer)
Minor changes requested by hatstand.
Ran 'make format' on my patch.
Merge pull request #4489 from gavinhoward/playlist_save

Playlist Save Preferences 2
Be more forgiving of broken permissions on the cache directory.
Fixes requested by ArnaudBienner.
Merge pull request #4495 from gavinhoward/playlist_save

Playlist Save Fixes