Copyright for libtree-perl source package in Xenial

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Contact: Rob Kinyon 
Source: http://search.cpan.org/dist/Tree/
Upstream-Name: Tree

Files: *
Copyright: 2004-2005, Infinity Interactive Inc 
License: Artistic or GPL-1+

Files: debian/*
Copyright: 2008, Javier Uruen Val 
 2010, Angel Abad 
License: Artistic or GPL-1+

License: Artistic
 This program is free software; you can redistribute it and/or modify
 it under the terms of the Artistic License, which comes with Perl.
 .
 On Debian GNU/Linux systems, the complete text of the Artistic License
 can be found in `/usr/share/common-licenses/Artistic'

License: GPL-1+
 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 1, 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-1'