[gnome-shell] (17 commits) Created branch wip/message-tray

[Jasper St. Pierre <jstpierre src gnome org>]

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

Summary of new commits:

  63f842a... Add a toggle-message-tray keybinding to move the windows up
  e6fbefc... messageTray: restyle the message tray
  8cc9f5c... theme: Use the proper syntax for background-repeat
  b096a37... theme: Update theme
  718b735... messageTray: Clean up code
  b70a7b2... messageTray: Use the standard :hover pseudo-class
  49cf8e5... messageTray: don't time out banners when the user is inacti
  910a0b6... messageTray: don't show the tray after new items are added
  022d4af... message-tray: Add :overview pseudo class when in overview
  a3bb9f4... theme: Update message-tray style in the overview
  a9e8e1f... theme: Make the noise texture fancier
  3a5714a... messageTray: Clone, clip & move the window_group instead of
  235f322... st-scroll-bar: use clutter_grab_pointer()
  66ddfba... Introduce a new GrabHelper
  cfcb989... popupMenu: Port to GrabHelper
  a16ffb0... messageTray: Port to GrabHelper
  412cd6b... messageTray: Don't care about the pointer's position