[gnome-music] (5 commits) Non-fast-forward update to branch wip/jfelder/simplify-player-model

[Jean Felder <jfelder src gnome org>]

The branch 'wip/jfelder/simplify-player-model' 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:

  5af0b90... player: Refactor currentTrackUri attribute
  dfc5db6... player: Remove field parameter from set_playlist
  b6dccef... views: Rely on running_playlist to update_model
  93c900b... player: Use its own simplified model

Commits added to the branch:

  820aa81... player: Handle zero duration on media (*)
  031c577... player: Refactor currentTrackUri attribute
  6aca542... player: Remove field parameter from set_playlist
  abf05c6... views: Rely on running_playlist to update_model
  c83e5ea... player: Use its own simplified model

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