[gnome-music] (18 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:

  a611a28... playlists: Make Playlist a GObject subclass
  2b68ebc... playlists: Add missing __repr__ method to Playlist class
  62c472f... playlists: Turn python-specific fields into GObject propert
  76cf0a5... playlists: Dynamically instantiate the smart playlists
  b4b2583... playlists: Add is_smart property to Playlist
  f7678e4... playlists: Add a SmartPlaylist class
  2660685... playlists: Manage playlists internally
  b095c96... playlists: Sort playlists
  e6c320d... playlistdialog: Use the playlists managed by Playlists
  8496864... playlists: Introduce a ready property
  9437848... playlistsview: Move playlists instantiation in the class
  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

Commits added to the branch:

  0a02af4... playlists: Make Playlist a GObject subclass
  514220d... playlists: Add missing __repr__ method to Playlist class
  a9e920d... playlists: Turn python-specific fields into GObject propert
  21372bc... playlists: Dynamically instantiate the smart playlists
  2ef2d2e... playlists: Add is_smart property to Playlist
  2d6a986... playlists: Add a SmartPlaylist class
  e5765c7... playlists: Manage playlists internally
  f0be25d... playlists: Sort playlists
  8b29ad9... playlistdialog: Use the playlists managed by Playlists
  8b893e2... playlists: Introduce a ready property
  1569805... playlistsview: Move playlists instantiation in the class
  7dc3b95... playlistsview: Use the playlists managed by Playlists
  f4ae6dd... playlists: Remove is_smart_playlist method
  7e8987b... mpris: Use the playlists managed by Playlists
  b42fe65... grilo: Remove unused function populate_playlists
  5841018... playlists: Remove unused signals
  7230d3a... playlists: reorder imports
  490fea5... playlists: Update copyright header