[mutter] (3 commits) Non-fast-forward update to branch wip/carlosg/rt-scheduler

[Carlos Garnacho <carlosg src gnome org>]

The branch 'wip/carlosg/rt-scheduler' 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:

  dd9be15... core: Move unix signal handler later in the process
  d9eeafa... core: Drop all capabilities on initialization
  59013eb... core: Set a SCHED_RR scheduler priority on Wayland sessions

Commits added to the branch:

  1222bc6... core: Move unix signal handler later in the process
  8b32579... core: Drop all capabilities on initialization
  8da0fdc... core: Set a SCHED_RR scheduler priority on Wayland sessions