Reference branch:
	- develop: up-to-date at 81e437a
Feature branches:
	- feature/tracklist-provider - Interact with tracklist on tracklist management from backend
	- feature/mpd-playlist-management - Manage songs in already existing playlists possible
	- feature/playback-error-notify - Allow backend to get notified when playback error occurs
	- feature/split-audio-mute-and-volume-config - Split control for mute and volume, in playbin or mixer
	- fix/mpd-output-status - Outputs in mpd in conformance to specification
	- feature/metadata-provider - Adds sticker support