[gnome-music] (3 commits) Non-fast-forward update to branch wip/mschraal/player-no-play-empty-playlist

[Marinus Schraal <mschraal src gnome org>]

The branch 'wip/mschraal/player-no-play-empty-playlist' was changed in a way that was not a fast-forward 
update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  bd4c13e... player: Do not set playing on an emtpy playlist
  57cc879... player: Minor Player play function cleanups

Commits added to the branch:

  3d86700... playlistcontrols: Disable play item on empty list (*)
  75ea51c... player: Do not set playing on an emtpy playlist
  480a78a... player: Minor Player play function cleanups

(*) This commit already existed in another branch; no separate mail sent