Update changelog for 0.8.1
Update changelog for 0.8.1

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