Fixed issue 287, 290, 291

-Cutting/restoring cameras now leaves a print
-building certain overly-abused griff items leaves prints
-grenade launcher no longer shoots your face if you try to backpack it

Chameleon projector movement speed is now based on temperature
Added add_hiddenprint(mob) proc
it's like add_fingerprint but only adds to fingerprintshidden isn't that neat?

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@2898 316c924e-a436-60f5-8080-3fe189b3f50e

code/game/objects/stacks/stack.dm

@@ -157,7 +157,7 @@
 					t1 += " <A href='?src=\ref[src];make=[i];multiplier=[n]'>[n*R.res_amount]x</A>"
 			if (!(max_multiplier in multipliers))
 				t1 += " <A href='?src=\ref[src];make=[i];multiplier=[max_multiplier]'>[max_multiplier*R.res_amount]x</A>"
-				
+
 	t1 += "</TT></body></HTML>"
 	user << browse(t1, "window=stack")
 	onclose(user, "stack")
@@ -205,6 +205,7 @@
 			del(oldsrc)
 			if (istype(O,/obj/item))
 				usr.put_in_hand(O)
+		O.add_fingerprint(usr)
 	if (src && usr.machine==src) //do not reopen closed window
 		spawn( 0 )
 			src.interact(usr)