[gnome-shell] (14 commits) Created branch wip/carlosg/grabs-pt2

[Carlos Garnacho <carlosg src gnome org>]

The branch 'wip/carlosg/grabs-pt2' was created.

Summary of new commits:

  31ee069... st: Use ClutterGrab for StButton implicit grab
  0d5a18d... st: Use ClutterGrab for StScrollBar implicit grab
  2555f3a... slider: Use Clutter.grab() for implicit grab
  87491c2... modalDialog: Make reactive
  c83e7bf... lookingGlass: Use Clutter.grab() for actor picking
  172fb7d... boxPointer: Do not mute key events
  5310c95... appDisplay: Explicitly highlight selected app icon
  2241e1f... main: Use Clutter.grab() underneath Main.push/popModal
  e628c64... overview: Grab on the stage
  159cc44... lookingGlass: Use lookingGlass dialog for modal grab
  e0c855a... dnd: Use Clutter.grab() for DnD grab
  2ae7a4d... grabHelper: Use Clutter.grab() underneath
  23e04e6... popupMenu: Drop unused blockSourceEvents switch
  c500960... popupMenu: Refactor focus and key management