Cleaned up mob projectile code a bit so it uses switch.
It's now much harder to play punch-out with a xeno, unless you're the hulk.
Xenos can now stick humans and monkeys into resin walls. Inside a resin wall, the person cannot escape unless the wall is destroyed (there is a 5% they will crawl out on their own). They are also paralyzed and cannot suicide.
Robots will now spark when you clobber or shoot them.
git-svn-id: http://tgstation13.googlecode.com/svn/trunk@1467 316c924e-a436-60f5-8080-3fe189b3f50e
a95f87d6bc