[gnome-music] (8 commits) Non-fast-forward update to branch wip/jfelder/smoothscale-player

[Jean Felder <jfelder src gnome org>]

The branch 'wip/jfelder/smoothscale-player' 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:

  d441add... player: Remove unused url property
  8606b29... player: Define state GObject property
  af13b38... player: Define duration GObject property
  8bb1c8b... smoothscale: Do not interact with GstPlayer
  d0cbbe5... smoothscale: Use GObject property syntax
  e101548... gstplayer: Remove state-changed listener

Commits added to the branch:

  ffc0cf9... player: Remove empty line
  1601cbf... player: Remove unused url property
  751bb7f... player: Define state GObject property
  9ae3952... player: Define duration GObject property
  b4d52da... player: Use second unit to set position
  1860220... smoothscale: Do not interact with GstPlayer
  c69d6f3... smoothscale: Use GObject property syntax
  849f244... gstplayer: Remove state-changed listener