[mutter] Created tag 3.30.2

[Florian Müllner <fmuellner src gnome org>]

The signed tag '3.30.2' was created.

Tagger: Florian Müllner <fmuellner gnome org>
Date: 1542149946 +0100

    Tag release 3.30.2

Changes since the last tag '3.30.1':

Akira Nakajima (1):
      Characters of window title bar garbled

Andrea Azzarone (1):
      x11: close display in an idle function

Carlos Garnacho (1):
      wayland: Defer text_input.done on an idle

Dušan Kazik (1):
      Update Slovak translation

Florian Müllner (3):
      x11/window-props: Do not convert WM_NAME
      xprops: Make sure text_property_to_utf8() returns UTF8
      Bump version to 3.30.2

Jonas Ådahl (3):
      Revert "Characters of window title bar garbled"
      constraints: Make current placement rule stack allocated
      shaped-texture: Clean up texture regions

Olivier Fourdan (1):
      window: Really force update monitor on hot plugs