Adds anti-radiation first aid kits. They contain five of the new radiation autoinjectors (3u arithrazine + 2u anti-toxin), one anti-toxin syringe, and one health analyzer. Two of them spawn in engineering: One in the storage and one in the core airlock.
updates 4 gllerd
round 3
Merge pull request #130 from JacobLee1/master

Adds anti-radiation first aid kits