Ported parts of the BS12 organ system.

This includes:
- Individual wounds
- Dismemberment
- Bone breaking

It also adds configuration values to config/game_options.txt to control the point at which bones break and limbs are cut off.

Does not include surgery or bleeding yet.

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@4720 316c924e-a436-60f5-8080-3fe189b3f50e

code/game/objects/items/devices/PDA/PDA.dm

@@ -837,8 +837,8 @@ var/global/list/obj/item/device/pda/PDAs = list()
 		C.loc = src
 		user << "<span class='notice'>You insert [C] into [src].</span>"
 		cartridge = C
-		if(C:radio)
-			C:radio.hostpda = src
+		if(cartridge.radio)
+			cartridge.radio.hostpda = src
 
 	else if(istype(C, /obj/item/weapon/card/id))
 		var/obj/item/weapon/card/id/idcard = C