Porting UI changes for AI's and Robots

Gives AI's a set of icons for their more common tasks.
Makes Cyborg inventories work like backpacks.

code/game/objects/items.dm

@@ -180,6 +180,14 @@
 	user.put_in_active_hand(src)
 	return
 
+/obj/item/attack_ai(mob/user as mob)
+	if (istype(src.loc, /obj/item/weapon/robot_module))
+		//If the item is part of a cyborg module, equip it
+		if(!isrobot(user)) return
+		var/mob/living/silicon/robot/R = user
+		R.activate_module(src)
+		R.hud_used.update_robot_modules_display()
+	
 // Due to storage type consolidation this should get used more now.
 // I have cleaned it up a little, but it could probably use more.  -Sayu
 /obj/item/attackby(obj/item/weapon/W as obj, mob/user as mob)