mpd: Add list of unsupported MPD features
mpd: Add list of unsupported MPD features

hkariti/mopidy,kingosticks/mopidy,jcass77/mopidy,SuperStarPL/mopidy,ZenithDK/mopidy,priestd09/mopidy,quartz55/mopidy,dbrgn/mopidy,glogiotatidis/mopidy,woutervanwijk/mopidy,tkem/mopidy,ali/mopidy,bencevans/mopidy,jmarsik/mopidy,bacontext/mopidy,mokieyue/mopidy,diandiankan/mopidy,quartz55/mopidy,rawdlite/mopidy,jmarsik/mopidy,SuperStarPL/mopidy,swak/mopidy,glogiotatidis/mopidy,bacontext/mopidy,dbrgn/mopidy,diandiankan/mopidy,rawdlite/mopidy,dbrgn/mopidy,glogiotatidis/mopidy,adamcik/mopidy,mokieyue/mopidy,bencevans/mopidy,SuperStarPL/mopidy,quartz55/mopidy,diandiankan/mopidy,mokieyue/mopidy,mopidy/mopidy,hkariti/mopidy,jodal/mopidy,abarisain/mopidy,bacontext/mopidy,jcass77/mopidy,adamcik/mopidy,swak/mopidy,pacificIT/mopidy,vrs01/mopidy,liamw9534/mopidy,vrs01/mopidy,jcass77/mopidy,diandiankan/mopidy,jmarsik/mopidy,tkem/mopidy,abarisain/mopidy,tkem/mopidy,glogiotatidis/mopidy,ZenithDK/mopidy,quartz55/mopidy,jodal/mopidy,ali/mopidy,mopidy/mopidy,kingosticks/mopidy,rawdlite/mopidy,adamcik/mopidy,swak/mopidy,bencevans/mopidy,vrs01/mopidy,swak/mopidy,ali/mopidy,SuperStarPL/mopidy,pacificIT/mopidy,mokieyue/mopidy,mopidy/mopidy,vrs01/mopidy,ZenithDK/mopidy,rawdlite/mopidy,ZenithDK/mopidy,hkariti/mopidy,priestd09/mopidy,hkariti/mopidy,tkem/mopidy,pacificIT/mopidy,kingosticks/mopidy,woutervanwijk/mopidy,bencevans/mopidy,bacontext/mopidy,ali/mopidy,liamw9534/mopidy,priestd09/mopidy,jodal/mopidy,dbrgn/mopidy,jmarsik/mopidy,pacificIT/mopidy