[mutter] (7 commits) Non-fast-forward update to branch wip/carlosg/drop-caps

[Carlos Garnacho <carlosg src gnome org>]

The branch 'wip/carlosg/drop-caps' 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:

  36e4b6c... cogl: Defer EGLContext creation to a separate thread
  e81b89a... core: Move unix signal handler later in the process
  dddf713... core: Set SCHED_RR by default on Wayland sessions
  7966625... core: Set up EGL context creation thread before dropping ca
  8107fce... core: Drop all capabilities on initialization
  aef1df5... backends: Drop rt-scheduler configuration key
  c386cea... backend/native: Use high priority contexts for secondary GP

Commits added to the branch:

  0bab932... cogl: Defer EGLContext creation to a separate thread
  19ebcd8... core: Move unix signal handler later in the process
  6c779cc... core: Set SCHED_RR by default on Wayland sessions
  26dd307... core: Set up EGL context creation thread before dropping ca
  866719f... core: Drop all capabilities on initialization
  88f55c2... backends: Drop rt-scheduler configuration key
  c1b0202... backend/native: Use high priority contexts for secondary GP