-Changed Idle's list command to True to stay in convention with MPD
-Changed Idle's list command to True to stay in convention with MPD

(cherry picked from commit 522ae022f399cb8408f10a87f83ff527c16214a1)

kingosticks/mopidy,jodal/mopidy,jcass77/mopidy,jodal/mopidy,mopidy/mopidy,adamcik/mopidy,mopidy/mopidy,mopidy/mopidy,jcass77/mopidy,adamcik/mopidy,jodal/mopidy,jcass77/mopidy,adamcik/mopidy,kingosticks/mopidy,kingosticks/mopidy