Merge pull request #8 from zabbix-deb/copyright-format

Formated copyright according to debians copyright-format

debian/copyright

@@ -1,24 +1,19 @@
-This package is currently maintained by Christoph Hueffelmann <chr@istoph.de> 2017 - 2020
-
-It is designed for the software from: 
-http://www.zabbix.com/ 
-
-Copyright: 
-
-  Copyright (C) 2017 - 2020
-  Changes: Christoph Hueffelmann <chr@istoph.de> 
-
-License: 
+Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
 
+Files: *
+Copyright: 2017 - 2021 Christoph Hueffelmann <chr@istoph.de>
+License: GPL-2.0-or-later
+  Copyright (c) 2021 Christoph Hueffelmann
+  .
   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
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
   GNU General Public License for more details.
-
-  On Debian GNU/Linux systems, the complete text of the GNU General 
+  .
+  On Debian GNU/Linux systems, the complete text of the GNU General
   Public License can be found in `/usr/share/common-licenses/GPL-2'.