Added stun, weaken and paralysis-related procs in place of directly editing the vars. Hulk is 5% chance now due to being completely immune to any sort of stunning (will nerf more later). Think that's all but not entirely sure.

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@2683 316c924e-a436-60f5-8080-3fe189b3f50e

code/game/objects/stacks/glass.dm

@@ -169,7 +169,7 @@ SHARDS
 			var/mob/living/carbon/human/H = M
 			if(!H.shoes)
 				var/datum/organ/external/affecting = H.get_organ(pick("l_leg", "r_leg"))
-				H.weakened = max(3, H.weakened)
+				H.Weaken(3)
 				affecting.take_damage(5, 0)
 				H.UpdateDamageIcon()
 				H.updatehealth()