[gnome-settings-daemon] (4 commits) Non-fast-forward update to branch wip/laney/systemd-user

[Iain Lane <iainl src gnome org>]

The branch 'wip/laney/systemd-user' 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:

  1602fe8... common: Have plugins signal to systemd when they are ready
  8c7ef1a... plugins: Add systemd user service files for all the plugins

Commits added to the branch:

  3f04de9... common: Have plugins claim a name on the bus when they are 
  b73470d... plugins: Add systemd user service files for all the plugins
  dd08ed7... Temporarily don't install the desktop files
  3d54090... Add a gnome-session-gdm target to start only required progr