[mutter] (5 commits) Non-fast-forward update to branch wip/wayland-fixes

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

The branch 'wip/wayland-fixes' 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:

  a89dc89... wayland: Send accurate capabilities
  a27e844... wayland: Fix the placement of popup windows

Commits added to the branch:

  4a41d41... wayland: Fix the placement of popup windows (*)
  0361e50... wayland: Send accurate capabilities
  bfe2e63... window: Move set_custom_frame_extents to be X11-only
  55b910f... window: Don't queue move/resizes if the extents are the sam
  d4d3aef... window: Adjust the frame rect when _GTK_FRAME_EXTENTS is se

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