xwiishow: show visual IR representation
xwiishow: show visual IR representation

We now print a rectangular screen to show a visual representation of the
IR tracking points. This makes it much easier to see what they represent
and how point-tracking is actually done.

Signed-off-by: David Herrmann <fb53b2ddb8d141e0cb39d7c67c2f81b6bc2eb0f7@gmail.com>

AdamLuchjenbroers/xwiimote,AdamLuchjenbroers/xwiimote,barracks510/xwiimote,dvdhrm/xwiimote,dvdhrm/xwiimote,barracks510/xwiimote,barracks510/xwiimote,barracks510/xwiimote