Protocol 10.72 (Authenticator) Support, Unjustified Points diplay

- Unjustified Points (Better topbar icon would be nice)
![Unjustified Points](http://i.gyazo.com/81286f46d9b4d56b3fe864140173cf34.png)
- Authenticator token support
- adjusted 'can change pvp frame' to 1054
- ...

modules/gamelib/creature.lua

@@ -35,6 +35,13 @@ NpcIconTradeQuest = 4
 
 -- @}
 
+function getNextSkullId(skullId)
+  if skullId == SkullRed or skullId == SkullBlack then
+    return SkullBlack
+  end
+  return SkullRed
+end
+
 function getSkullImagePath(skullId)
   local path
   if skullId == SkullYellow then