[mutter] (18 commits) Non-fast-forward update to branch wip/carlosg/xwayland-on-demand

[Carlos Garnacho <carlosg src gnome org>]

The branch 'wip/carlosg/xwayland-on-demand' 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:

  a03c6f8... x11: Make error trap API NULL safe
  d11c8a9... x11: Move focus sentinel to MetaX11Display
  672240d... core: Do not synchronize stack with Xserver if there is no 
  26628cc... core: Avoid grab transfer shenanigans with non-X11 backend
  511846e... core: Separate checks for pointer barriers availability
  465a3fc... x11: Move X11 calls to map/unmap a MetaWindow to MetaWindow
  6782ab4... core: Relax requirement that MetaWindow shall have icon/min
  4cb36f8... x11: Separate X11 focus handling into MetaX11Display method
  9ec54eb... x11: Split X11 focus change requests to a separate function
  a011291... core: Untangle input focus management
  2375dc0... core: Add explicit init/shutdown_x11() MetaDisplay calls
  37299d8... x11: Unmanage X11 windows on MetaX11Display finalization
  8e4ca38... x11: Initialize GdkDisplay together with MetaX11Display
  01c03a0... wayland: Split Xwayland initialization in 2 steps
  76051ed... x11: protect against null MetaX11Display when looking up X1
  a89628b... sm focus shuffling
  daaca2c... x11: Add method to launch applications, using SnLauncher
  509af95... core: Add MetaLaunchContext
  242094b... wayland: Launch Xwayland on demand

Commits added to the branch:

  e46c6cf... x11: Add method to launch applications, using SnLauncher
  831ebaa... core: Add MetaLaunchContext
  db3ad01... x11: Make error trap API NULL safe
  3be68ba... x11: Move focus sentinel to MetaX11Display
  1f3bcf5... core: Do not synchronize stack with Xserver if there is no 
  5e77f0a... core: Avoid grab transfer shenanigans with non-X11 backend
  1d6dc50... core: Separate checks for pointer barriers availability
  275309d... x11: Move X11 calls to map/unmap a MetaWindow to MetaWindow
  b8d0ebe... core: Relax requirement that MetaWindow shall have icon/min
  b77e120... x11: Separate X11 focus handling into MetaX11Display method
  f99832b... x11: Split X11 focus change requests to a separate function
  d43ea15... core: Untangle input focus management
  3b6aa86... core: Add explicit init/shutdown_x11() MetaDisplay calls
  c23772f... x11: Unmanage X11 windows on MetaX11Display finalization
  f126c1e... x11: Initialize GdkDisplay together with MetaX11Display
  83fd977... wayland: Split Xwayland initialization in 2 steps
  539f36c... x11: protect against null MetaX11Display when looking up X1
  07fd7ef... wayland: Launch Xwayland on demand