Update copyright headers after acquisition by secunet

conf/format-options.py

@@ -1,7 +1,8 @@
 #!/usr/bin/env python3
 #
 # Copyright (C) 2014-2019 Tobias Brunner
-# HSR Hochschule fuer Technik Rapperswil
+#
+# Copyright (C) secunet Security Networks AG
 #
 # 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