[mutter] (16 commits) Non-fast-forward update to branch wip/focus

[Giovanni Campagna <gcampagna src gnome org>]

The branch 'wip/focus' 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:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  115e260... display: Simplify checks to see if a window is the root win
  755400a... display: Return TRUE when we've handled an X event appropri
  d58dd16... display: Don't grab the window actor's key focus
  31bd122... display: Always use the key focused window for key events
  90ce30e... keybindings: fix per window keybindings
  7bcd639... compositor: fix mouse interactions on frames
  5b3ed98... display: move more event handling to clutter

Commits added to the branch:

  c5c3806... window-x11: Add back missing error trap (*)
  ec2c3e1... window: Add meta_window_get_client_area_rect (*)
  2dc7371... window-actor: Don't pass around client_area (*)
  41d5e69... window-actor: Kill off another use of MetaFrameBorders (*)
  c0d791c... window: Update the shape, input, and opaque regions immedia (*)
  640102c... window-actor: Complete the removal of update_shape (*)
  98c4b82... Revert "window: Update the shape, input, and opaque regions (*)
  eb75306... Revert "window-actor: Complete the removal of update_shape" (*)
  75184d4... display: Simplify checks to see if a window is the root win
  da13e3d... display: Return TRUE when we've handled an X event appropri
  7f195ae... display: Don't grab the window actor's key focus
  23b0f7b... display: Always use the key focused window for key events
  ed6821a... keybindings: fix per window keybindings
  394b44a... compositor: fix mouse interactions on frames
  360d423... MetaSurfaceActor: add a generic hook to retrieve the MetaWi
  b00fa70... display: move more event handling to clutter

(*) This commit already existed in another branch; no separate mail sent