Big update of copyright statements so they can be automatically processed to produce debian/copyright file
diff --git a/include/grgsm/plotting.hpp b/include/grgsm/plotting.hpp
index ff37fec..21890e4 100644
--- a/include/grgsm/plotting.hpp
+++ b/include/grgsm/plotting.hpp
@@ -1,7 +1,7 @@
/* -*- c++ -*- */
/*
* @file
- * @author Piotr Krysik <ptrkrysik@gmail.com>
+ * @author (C) 2014 by Piotr Krysik <ptrkrysik@gmail.com>
* @section LICENSE
*
* Gr-gsm is free software; you can redistribute it and/or modify