license: add license header to all files and set copyright based on git log

test/mm-test.py

@@ -1,4 +1,18 @@
 #!/usr/bin/python
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details:
+#
+# Copyright (C) 2008 Novell, Inc.
+# Copyright (C) 2009 Red Hat, Inc.
+#
 
 import sys
 import dbus