Fix Mopidy dependency to > v3.0.0 actual release.
Fix Mopidy dependency to > v3.0.0 actual release.

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