Added Score System

Added a system in the server to keep track of team scores. the scores
are invisible to the players so its pretty much useless.
Added "portals" to teleport players

added portals which are used to move players from one point in the map
to another. these will be used to let players enter caves or houses or
other things that are supposed to be on a different floor.
Added respawn system

Players now respawn after they die. they respawn at a given location.
while dead they cannot move but they can see things happening around
them.
Revert "Added respawn system"

This reverts commit 9c2ea5446f0c55db44e9b8ecc2ee924d83bfc9ad.