[mutter] Created tag 3.29.4

[Florian Müllner <fmuellner src gnome org>]

The signed tag '3.29.4' was created.

Tagger: Florian Müllner <fmuellner gnome org>
Date: 1531929582 +0200

    Tag release 3.29.4

Changes since the last tag '3.29.3':

Bastien Nocera (5):
      backends/native: Remove unused upower-glib header
      monitor-manager: Don't throw an error if UPower isn't running
      monitor-manager: Cache the last known value of "lid-is-closed"
      backend: Move lid-is-closed handling to MetaBackend
      backend: Remove direct upower-glib usage

Carlos Garnacho (3):
      compositor: Do not optimize obscured areas away in paint volumes
      compositor: Add get_paint_volume() implementation to MetaSurfaceActor
      ClutterActor: Preserve valid paint volumes till the next relayout/repaint

Daniel Șerbănescu (1):
      Update Romanian translation

Florian Müllner (1):
      Bump version to 3.29.4

Iain Lane (1):
      launcher: First check if we are in a login session

Jonas Ådahl (4):
      screen-cast-src: Port to pipewire master
      screen-cast-src: Allow negotiating the framerate
      stack-tracker: Don't sort O-R's under guard window on top
      tests: Move window-shown verification to test-runner

Olivier Fourdan (4):
      contraints: Do not constrain modals without parent
      tests: Add "set_parent_exported" command
      tests: Fix usage message for "set_parent"
      tests: Add the "parent_exported" test