[mutter] (8 commits) Non-fast-forward update to branch wip/carlosg/pending-state-leak-fix

[Carlos Garnacho <carlosg src gnome org>]

The branch 'wip/carlosg/pending-state-leak-fix' 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:

  2f2841d... wayland: Plug surface pending state contents leak

Commits added to the branch:

  3684f6b... clutter: Apply input hints/purpose on ClutterTextInputFocus (*)
  e6109cf... renderer-native: Fall back to non-modifier GBM surfaces (*)
  96141e2... theme: add ".appmenu" class to the appmenu button (*)
  deda7a5... theme: Scale titlebar spacing when computing x (*)
  85bbd82... window-actor: add new signal "effects-completed" (*)
  17a745b... wayland: update enter/leave output after effects (*)
  98dfd5b... screen-cast: Fix compile error (*)
  ebe128b... wayland: Plug surface pending state contents leak

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