[gnome-shell] (22 commits) Created branch wip/message-tray

[Debarshi Ray <debarshir src gnome org>]

The branch 'wip/message-tray' was created.

Summary of new commits:

  9e18455... messageTray: Clone, clip & move the window_group when tray 
  3107d61... messageTray: restyle the message tray
  e719d20... theme: Use the proper syntax for background-repeat
  9b44eed... theme: Update theme
  2aaaca8... messageTray: Clean up code
  3626eb0... messageTray: Use the standard :hover pseudo-class
  caf7d2e... messageTray: don't time out banners when the user is inacti
  bac8779... messageTray: don't show the tray after new items are added
  0e2dfbd... message-tray: Add :overview pseudo class when in overview
  76c8c72... theme: Update message-tray style in the overview
  80bd7ed... theme: Make the noise texture fancier
  05941e0... st-scroll-bar: use clutter_grab_pointer()
  57aecf2... Introduce a new GrabHelper
  8a32106... popupMenu: Port to GrabHelper
  863d7fb... messageTray: Port to GrabHelper
  2bd8413... messageTray: Make modal
  3d28237... messageTray: Properly track notificationExpanded
  03e1734... messageTray: Make the hot corner summon the tray
  1beff55... messageTray: Don't hide the tray when we have a message inc
  5fdddb9... messageTray: Add it to the ctrl+alt+tab list when in the ov
  35fdb31... messageTray: Correct idleness
  1dc7659... messageTray: Use a Lightbox to shade the window_group