Fix upstairs build

Signed-off-by: Paul Brook <paul@nowt.org>
Report cards immediately.

Signed-off-by: Paul Brook <paul@nowt.org>
Remote unlock command

Signed-off-by: Paul Brook <paul@nowt.org>
Add remote override

Open doors for members when the space is open.

Signed-off-by: Paul Brook <paul@nowt.org>
Export door status to spaced.pl

Signed-off-by: Paul Brook <paul@nowt.org>
Invert door sense pin.

Signed-off-by: Paul Brook <paul@nowt.org>