[gnome-settings-daemon] (12 commits) Non-fast-forward update to branch wip/benzea/ci

[Benjamin Berg <bberg src gnome org>]

The branch 'wip/benzea/ci' 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:

  2fe08f9... color: Remove GTK+ from the self test
  59a9a99... tests: Kill Xvfb on startup timeout
  1200793... tests: Correctly try next X display on failure
  7cf5289... tests: Check for the existence of xprop
  03f60f3... tests: Make Xvfb startup output a bit more readable
  57ef867... tests: Signal mutter and gnome-session that we are using X1
  3a087a5... tests: Don't duplicate call to start X server
  28abfe1... tests: Fix race condition checking for Xvfb startup
  ccf96ae... tests: Disable buffering for most files
  4e5f212... power: Allow test to run for 500 seconds
  234f112... ci: Introduce CI

Commits added to the branch:

  8cb17c6... media-keys: Improve volume keybinding descriptions (*)
  e6151a4... media-keys: Remove legacy mapping from F20 to microphone mu (*)
  f227cc6... media-keys: Move microphone mute button to gsettings (*)
  f545950... media-keys: Add mapping for Ctrl + Super + TouchpadToggle (*)
  f782918... datetime: Add debug to timezone monitor (*)
  dc5d4bc... color: Remove GTK+ from the self test
  7d79434... tests: Signal mutter and gnome-session that we are using X1
  5bd614e... tests: Add X11 session helper for tests
  5e334ba... tests: Use new X11 helper in GSDTestCase
  5950ec7... tests: Disable buffering for most files
  eab761e... power: Allow test to run for 500 seconds
  4e82f59... ci: Introduce CI

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