[gnome-music] (6 commits) Non-fast-forward update to branch wip/jfelder/player-playlist

[Jean Felder <jfelder src gnome org>]

The branch 'wip/jfelder/player-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:

  cdce2aa... player: Refactor player playlist
  f030308... player: Order signals by alphabetical order
  ade403b... albumwidget: Refactor add_item method
  db00dc4... albumwidget: Restore currently played album
  6e20c3d... playertoolbar: Use player play_pause method

Commits added to the branch:

  81de77f... player: Refactor player playlist
  dbef5a6... player: Order signals by alphabetical order
  9b9e2c4... views: Fix now-playing icon display
  cd9a259... albumwidget: Refactor add_item method
  3454645... albumwidget: Restore currently played album
  a241f70... playertoolbar: Use player play_pause method