moved cloning-related computers to a new dm in game/machinery/computer/
switched dna modifiers from machinery/ to machinery/computer
fixed issue 243
fixed a bug that using a screwdriver on a teleporter beacon would move the beacon in your hand and make the screwdriver unusable/undroppable
git-svn-id: http://tgstation13.googlecode.com/svn/trunk@2734 316c924e-a436-60f5-8080-3fe189b3f50e
