Beets remote backend
Add search, full-sync (needs optimizations in server code)
Implement lookup method
Typo,lint fixes
Add error handling to http handler, album art
Initial Soundcloud backend
Tune searching in such way results are not sorted into artists
Only add streamable tracks
PEP8 fixes
Don't cache favorites, add more resolvers for artist
Add Soundcloud branding
Added sets
Add user stream playlist
Too many problems with special characters on some clients
Use oAuth login, add Explore section as playlists
Fix: documentation for settings
Fix: explore playlists with empty tracks
Fix: handle 404, missing or deleted tracks
fix: capitalize class
fix: larger playlists
add: Basic SounCloud JSON track parser tests
Merge branch 'soundcloud_backend' into develop