Merge branch 'tischlda-browsing' into browsing
Merge branch 'browsing'
Version 0.4.0
Use library interface when browsing playlists via 'browse', see #25.
Fix browsing of playlists.

Added a new playlist item template for library browsing.
Refactored library browsing, directories and playlists are now both considered containers that can be browsed, both are loaded via 'mopidy.library.browse'.