[mutter] (4 commits) Non-fast-forward update to branch wip/carlosg/touch-mode-x11

[Florian Müllner <fmuellner src gnome org>]

The branch 'wip/carlosg/touch-mode-x11' 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:

  95a34e6... backends/x11: Implement ClutterSeat::touch-mode for the X11

Commits added to the branch:

  0b6a316... clutter/text: Also queue relayout if the actor has no valid (*)
  c3bf10d... cogl test-premult: Don't free texture data until CoglBitmap (*)
  a3cc62c... cogl tests: Force defined behaviour for 24-bit left-shifts (*)
  38bbd95... backends/x11: Implement ClutterSeat::touch-mode for the X11

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