Removed the infra sensor, as it was buggy, and, to be perfectly honest, utterly pointless.
Slightly improved and moved dice code.
Fixes issue 366.
Fixes issue 317.
git-svn-id: http://tgstation13.googlecode.com/svn/trunk@4555 316c924e-a436-60f5-8080-3fe189b3f50e