[gnome-music] (7 commits) Non-fast-forward update to branch wip/jfelder/playlists-core-rewrite-prep-work

[Jean Felder <jfelder src gnome org>]

The branch 'wip/jfelder/playlists-core-rewrite-prep-work' 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:

  a674ada... playlistsview: Use the playlists managed by Playlists
  7b42866... playlists: Remove is_smart_playlist method
  a55513f... mpris: Use the playlists managed by Playlists
  0794db0... grilo: Remove unused function populate_playlists
  a4bd884... playlists: Remove unused signals
  e4dd611... playlists: reorder imports
  46e731f... playlists: Update copyright header

Commits added to the branch:

  3a1fb37... playlistsview: Use the playlists managed by Playlists
  8932856... playlists: Remove is_smart_playlist method
  e2a3baf... mpris: Use the playlists managed by Playlists
  f531c6f... grilo: Remove unused function populate_playlists
  50f20ff... playlists: Remove unused signals
  5a01c37... playlists: reorder imports
  281d70b... playlists: Update copyright header