[gnome-music] (24 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:

  4f7dcf9... query: Remove unused method clear_playlist
  2156c08... playlists: Remove unecessary method clear_playlist
  727d699... playlistsview: Remove unused attribute _current_playlist_in
  9aac221... playlists: Remove unused signal song-removed-from-playlist
  44a0b02... playlists: Manage playlists deletion list internally
  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

Commits added to the branch:

  26723c6... Updated Slovenian translation (*)
  72a7173... query: Remove unused method clear_playlist
  e060db7... playlists: Remove unecessary method clear_playlist
  fcd33f4... playlistsview: Remove unused attribute _current_playlist_in
  736b5ef... playlists: Remove unused signal song-removed-from-playlist
  a643c1c... playlists: Manage playlists deletion list internally
  619af1d... playlists: Make Playlist a GObject subclass
  4d7fc85... playlists: Add missing __repr__ method to Playlist class
  f2371df... playlists: Turn python-specific fields into GObject propert
  d07f9be... playlists: Dynamically instantiate the smart playlists
  e0a3406... playlists: Add is_smart property to Playlist
  ec7788c... playlists: Add a SmartPlaylist class
  b7835e7... playlists: Manage playlists internally
  c3db50e... playlists: Sort playlists
  45dc9f0... playlistdialog: Use the playlists managed by Playlists
  b2a7762... playlists: Introduce a ready property
  acffc10... playlistsview: Move playlists instantiation in the class
  f41709c... playlistsview: Use the playlists managed by Playlists
  446c8b3... playlists: Remove is_smart_playlist method
  8eb717b... mpris: Use the playlists managed by Playlists
  214bf5a... grilo: Remove unused function populate_playlists
  4b24b7f... playlists: Remove unused signals
  ccd81c9... playlists: reorder imports
  c87507e... playlists: Update copyright header

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