[gnome-music] (6 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:

  44786b3... player: Define state GObject property
  aae90cf... player: Define duration GObject property
  87576d8... player: Use second unit to set position
  2362c73... smoothscale: Do not interact with GstPlayer
  01aedf7... smoothscale: Use GObject property syntax
  bb3e272... gstplayer: Use GObject property syntax

Commits added to the branch:

  a2cc4e2... player: Define state GObject property
  01d4cfe... player: Define duration GObject property
  6aec888... player: Use second unit to set position
  5d03bf8... smoothscale: Do not interact with GstPlayer
  5e7c104... smoothscale: Use GObject property syntax
  390abdf... gstplayer: Use GObject property syntax