Added support for the Passage (currently with only one room).
Characters will automatically get here when dead, and they will
need to find a way to reborn to the Planes (currently there is
no such way, but to logout and login again) (see newly created
TODO file).
Signed-off-by: Gergely Polonkai (W00d5t0ck) <polesz@w00d5t0ck.info>
