[mutter] (3 commits) Non-fast-forward update to branch wip/carlosg/non-abstract-sockets

[Robert Mader <rmader src gnome org>]

The branch 'wip/carlosg/non-abstract-sockets' 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:

  c722b9b... wayland: Drop Xwayland abstract socket

Commits added to the branch:

  c1c0611... core/display: Remove obsolete typedef (*)
  6b04b2f... clutter/backends: Rename master and slave devices (*)
  e212376... wayland: Drop Xwayland abstract socket

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