[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:

  0261c46... cogl: Defer EGLContext creation to a separate thread
  3a07def... core: Move unix signal handler later in the process
  708e5bc... core: Set SCHED_RR by default on Wayland sessions
  2254ac6... core: Set up EGL context creation thread before dropping ca
  66c83b0... core: Drop all capabilities on initialization
  fbcc986... backends: Drop rt-scheduler configuration key
  cc66317... backend/native: Use high priority contexts for secondary GP

Commits added to the branch:

  d2b550b... cogl: Defer EGLContext creation to a separate thread
  bd83af2... core: Move unix signal handler later in the process
  a171625... core: Set SCHED_RR by default on Wayland sessions
  6312b03... core: Set up EGL context creation thread before dropping ca
  5ee426b... core: Drop all capabilities on initialization
  e789fea... backends: Drop rt-scheduler configuration key
  227fe5b... backend/native: Use high priority contexts for secondary GP