Update README with multi-backend, MPRIS and DLNA possibilities
Update README with multi-backend, MPRIS and DLNA possibilities

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