Doc gst-launch test step. Fixes GH#35.
Doc gst-launch test step. Fixes GH#35.

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