Sidekiq installed
Mp3 data methods in worker
Mp3 data getter task
Metadata syncing
Bug fixes
Control of file types on dropbox search
Sidekiq a queue per user
Id3 tags reading: retry wit different sizes
Library sorted
Toasts
Migration to MySQL
Production configs
Play button toggle
Playlist show active song
Song stops on next/prev
Albums and Artists: play all
Play next song on finish
PlayAll bug fix
Ajax request cancelled after changing song
Merge branch 'feature/sidekiq' into develop