[mutter] (5 commits) Non-fast-forward update to branch issue157

[Ray Strode <halfline src gnome org>]

The branch 'issue157' 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:

  2772e01... backends: Don't center the pointer on initialization

Commits added to the branch:

  bb65854... xwayland: use g_autoptr for GError in xserver_died (*)
  2d80fd0... xwayland: Don't abort if Xwayland crashes (*)
  c01b099... clutter/evdev: ignore injected events from IM (*)
  6df2b7a... clutter/evdev: Don't ignore CAPS lock as modifier (*)
  a95cbd0... backends: Don't center the pointer on initialization

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