[gnome-shell] Created tag 3.21.4

[Florian Müllner <fmuellner src gnome org>]

The unsigned tag '3.21.4' was created.

Tagger: Florian Müllner <fmuellner gnome org>
Date: Wed Jul 20 21:23:41 2016 +0200

    Tag release 3.21.4

Changes since the last tag '3.21.3':

Andika Triwidada (2):
      Updated Indonesian translation     (cherry picked from commit 23788b9e7d532f35d96b791ccb99acdb9cc9d61a)
      Updated Indonesian translation

Bruce Cowan (1):
      Updated British English translation

Chao-Hsiung Liao (1):
      Updated Chinese (Hong Kong) translation

Daniel Mustieles (1):
      Updated Spanish translation

Dušan Kazik (1):
      Updated Slovak translation

Florian Müllner (23):
      workspacesDisplay: Cancel click when panning
      overview: Remove stack actor
      overview: Move overview actions and scrolling to background group
      workspacesView: Allow activating empty workspaces on any monitor
      workspacesView: Consider workspaces-only-on-primary when scrolling
      workspacesView: Consider workspaces-only-on-primary when panning
      overview: Move ::scroll-event signal handling (again)
      osdWindow: Fix level bar width
      osdWindow: Fix blurry level bar
      osdWindow: Use a constraint to enforce ratio
      calendar-server: Remove an unnecessary check
      calendar: Move handling of ignored events to event source
      calendar: Refresh calendar when ignored events changes
      calendar: Do not overload :active to mark selected day
      calendar-server: Minor optimization
      calendar-server: Fix a memory leak
      calendar-server: Fetch default zone from client
      calendar-server: Get recurrence ID from occurrences
      calendar-server: Use the actual recurrence ID of events
      app: Add a construct-only app-info property
      Provide org.freedesktop.impl.portal.access implementation
      data: Dist portals keyfile
      Bump version to 3.21.4

Hyungwon Hwang (1):
      background: free MetaBackground explicitly when its MetaBackgroundActor is destroyed

Jonas Ådahl (1):
      Use clutter_stage_capture instead of cogl's read_pixels

Kalev Lember (3):
      endSessionDialog: Rename a variable
      endSessionDialog: Use new PackageKit DBus API
      endSessionDialog: Add support for system upgrades

Marinus Schraal (1):
      build: Bump gsettings-desktop-schemas requirement

Owen W. Taylor (2):
      run-js-test: fix running in hi-dpi mode
      Restart: fix maximized windows flickering to the wrong struts

Piotr Drąg (2):
      Update URL in a translator comment
      Updated Polish translation

Rui Matos (9):
      StShadowHelper: properly use the actor's box to paint the shadow
      ScreenShield: fix setting each arrow's opacity on _animateArrows()
      Arrow: compute a paint volume that accounts for the shadow
      workspacesView: Initialize the adjustment's upper bound
      shell-recorder: Ensure we remove the redraw timeout on finalize
      shell-recorder: Avoid a crash when the cursor texture is NULL
      main: Reload theme on video memory purge errors
      screenShield: Stop using an offscreen buffer for the arrow actor
      screenShield: Chain up Arrow's style_changed vfunc