Robots can no longer stick their items onto/into things.

It's possible I missed some things, but I got lockers, crates, backpacks/boxes/toolboxes/etc, tables, and racks.

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@1358 316c924e-a436-60f5-8080-3fe189b3f50e

code/game/objects/storage/crates.dm

@@ -272,6 +272,8 @@
 			src.loc = P
 			O.amount -= 3
 	else if(opened)
+		if(isrobot(user))
+			return
 		user.drop_item()
 		if(W)
 			W.loc = src.loc

code/game/objects/storage/storage.dm

@@ -81,6 +81,8 @@
 
 /obj/item/weapon/storage/attackby(obj/item/weapon/W as obj, mob/user as mob)
 	..()
+	if(isrobot(user))
+		return
 	if(can_hold.len)
 		var/ok = 0
 		for(var/A in can_hold)