[gnome-shell] (23 commits) Non-fast-forward update to branch wip/message-tray

[Marina Zhurakhinskaya <marinaz src gnome org>]

The branch 'wip/message-tray' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 http://live.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  ffc37ff... messageTray: Port to GrabHelper
  653f288... messageTray: Make modal
  506d439... messageTray: Properly track notificationExpanded
  b89ae0b... messageTray: Make the hot corner summon the tray
  568ad34... messageTray: Make it keyboard navigable in the overview
  106b47c... messageTray: Correct idleness
  d838e9c... messageTray: Use a Lightbox to shade the window_group
  9342ec9... js: Use global.focus_manager, rather than grabbing it ourse
  9597a93... messageTray: Add the summary view to the focus manager
  8c86f20... messageTray: Grab the key focus when entering from the keyb
  b75f342... theme: Add a new style for .summary-source-button:focus
  ae75947... messageTray: keep the desktop clone at integral positions t
  de8ad1e... theme: Make sure to select the summary source item when sho
  d49cf61... messageTray: Be able to "switch" notifications
  96c0a4b... grabHelper: Clean up
  12690d7... grabHelper: Fix some keyboard focus issues with the message
  5629c23... grabHelper: Make sure to call onUngrabbed for all popped ac
  42adc0d... messageTray: Always close the tray when clicking outside of
  b65543b... messageTray: Close the current box pointer when clicking on
  8efe7a1... messageTray: Close the current box pointer when clicking on

Commits added to the branch:

  ce3ce78... messageTray: Port to GrabHelper
  9c7b32d... messageTray: Make modal
  536b0f8... messageTray: Properly track notificationExpanded
  2379b45... messageTray: Make the hot corner summon the tray
  5d688c4... messageTray: Make it keyboard navigable in the overview
  c159ad3... messageTray: Correct idleness
  9eaab9d... messageTray: Use a Lightbox to shade the window_group
  18a145e... js: Use global.focus_manager, rather than grabbing it ourse
  eaaeeb1... messageTray: Add the summary view to the focus manager
  382810d... messageTray: Grab the key focus when entering from the keyb
  aa84f47... theme: Add a new style for .summary-source-button:focus
  099a643... messageTray: keep the desktop clone at integral positions t
  440ebe4... theme: Make sure to select the summary source item when sho
  f299549... messageTray: Be able to "switch" notifications
  a1b98c8... grabHelper: Clean up
  35fd714... grabHelper: Fix some keyboard focus issues with the message
  5d3822d... grabHelper: Make sure to call onUngrabbed for all popped ac
  13e44b4... messageTray: Always close the tray when clicking outside of
  6a197d7... messageTray: Close the current box pointer when clicking on
  20a12cc... messageTray: Close the current box pointer when clicking on
  d24aeee... messageTray: be sure to remove destroyed notifications from
  f0e1504... messageTray: hide removed notification without tweening
  f7f7697... messageTray: add close button to notifications