[gnome-shell] Created tag 3.8.4

[Ray Strode <halfline src gnome org>]

The unsigned tag '3.8.4' was created.

Tagger: Ray Strode <rstrode redhat com>
Date: Tue Jul 30 21:17:23 2013 -0400

    Bump version to 3.8.4
    
    Update NEWS.

Changes since the last tag '3.8.3':

Adel Gadllah (2):
      osdWindow: Don't call enable_unredirection on startup
      Fix syntax error

Alban Browaeys (1):
      st-icon: check if gicon is null before unref.

Carlos Soriano (2):
      telepathyClient: Increase the timestamp timeout to 3 minutes
      telepathyClient: Align timestamps to the right again

Emilio Pozuelo Monfort (2):
      boxpointer: fix left/right arrow side calculation
      st-scroll-view: properly check if the scrollbars are visible

Florian Müllner (2):
      st: Be more forgiving when calling get_theme_node() on unstaged widgets
      layout: Keep the top_window group above newly added chrome

Giovanni Campagna (3):
      Hash: make .size() constant time
      MessageTray: don't list the sources all the time
      Background: don't require a URI scheme for picture-uri

Jasper St. Pierre (3):
      overview: Don't allow exiting the overview if we have a DND drag
      shell-app: Fade the app icon on the left in RTL layouts
      messageTray: Ensure notifications are focused after they are expanded

Jonh Wendell (1):
      gdm: clear the messages queue when the user answers a prompt

Lionel Landwerlin (2):
      screenShield: fix empty screen shield
      background: fix asynchronous management of background loading operations

Mathieu Bridon (1):
      gdm: Align the "Not Listed?" label

Matthias Clasen (2):
      logout dialog: Show the correct text right away
      Make autorun notifications work

Ray Strode (1):
      Bump version to 3.8.4