RFID: License under "GPL v3 or later" (with acknoledgement from Andy)

rfid/rfid_keypresser.py

@@ -1,7 +1,8 @@
 #! /usr/bin/env python
-
-# by Andrew Karpow <andy@mail.tu-berlin.de>
-# Public Domain
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2011 Andrew Karpow <andy@mail.tu-berlin.de>
+# Licensed under GPL v3 or later
 
 from smartcard.CardMonitoring import CardMonitor, CardObserver
 from smartcard.util import toHexString