Copyright for toppler source package in Xenial

This package was debianized by Ben Bell  on
Mon, 16 Jul 2001 20:14:46 +0100.
It is maintained by Bill Allombert 
since Sun,  3 Mar 2002 00:55:28 +0100.

It was downloaded from http://toppler.sourceforge.net/

Upstream Author: Andreas Röver  

Copyright: Copyright (C) 2000-2006  Andreas Röver

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.

        On Debian GNU/Linux systems, the complete text of the GNU General
        Public License can be found in `/usr/share/common-licenses/GPL'.