Update changelog.
Update changelog.

woutervanwijk/Mopidy-MusicBox-Webclient,pimusicbox/mopidy-musicbox-webclient,woutervanwijk/Mopidy-MusicBox-Webclient,pimusicbox/mopidy-musicbox-webclient,woutervanwijk/Mopidy-MusicBox-Webclient,pimusicbox/mopidy-musicbox-webclient