[mutter] Created tag 3.21.3

[Florian Müllner <fmuellner src gnome org>]

The unsigned tag '3.21.3' was created.

Tagger: Florian Müllner <fmuellner gnome org>
Date: Tue Jun 21 21:33:11 2016 +0200

    Tag release 3.21.3

Changes since the last tag '3.21.2':

Cédric Valmary (1):
      Updated Occitan translation

Florian Müllner (3):
      stage: Fix function definition
      surface-actor: Keep track of ignored damage
      Bump version to 3.21.3

Olivier Fourdan (3):
      wayland: add extended state for tiled
      wayland: Implement force-quit using kill()
      wayland: Mark pending moved as moved

Rui Matos (3):
      window: Don't create invalid UTF-8 window description strings
      x11/window-props: Convert WM_NAME and WM_CLASS to UTF-8
      wayland/*-shell: UTF-8 validate title, class and app ID strings