bb.org: add xinput_calibrator fixes from Louis

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
bb.org: capemgr-debian.sh ill let someone else worry about reload/etc..

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
bb.org: overlay script load more then one..

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>