[gtk+] (11 commits) Created branch wip/csd

[Rob Bradford <rbradford src gnome org>]

The branch 'wip/csd' was created.

Summary of new commits:

  c7ad771... window: Fix compiler warning when not building for X11
  e899473... window: Add initial support for client-side decorations und
  fc79112... window: Check for a title box before checking for it being 
  5c88635... window: Add basic support for border popup windows
  ca579d8... window: Add support for enabling client decorations on non-
  6d55890... window: Move allocation of decorations to _gtk_window_set_a
  5a633c3... application-window: Respect allocation of any decorations
  63821bc... window: Ensure stack value is not used uninitialised for ti
  b48d061... wayland: Improve error message handling in cursor buffer co
  91a0acd... wayland: Only update position if the with_move flag is set
  ec22cfd... WIP: Add window position offset