xtoq: Support for override-redirect windows added.
xtoq: Support for override-redirect windows added.

On window creation, XtoQ checks xcwm_window_is_override_redirect() and
if it returns true, creates window with no decorations.

Signed-off-by: Jess VanDerwalker <washu@sonic.net>

Reviewed-by: Jeremy Huddleston Sequoia <db3cec0cba09acb9cf8fd8bd399a3b27498cf883@apple.com>

freedesktop-unofficial-mirror/xorg__lib__libxcwm,freedesktop-unofficial-mirror/xorg__lib__libxcwm