Copyright for pythia8 source package in Xenial

Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: PYTHIA
Source: http://home.thep.lu.se/~torbjorn/Pythia.html

Files: *
Copyright: Torbjorn Sjostrand 
           Stefan Ask 
           Richard Corke 
           Stephen Mrenna 
           Peter Skands 
License: GPL-2+

Files: include/PartonDistributions.h
Copyright: Torbjorn Sjostrand, M. Glueck, E. Reya, A. Vogt, CTEQ
License: GPL-2+

Files: include/FastJet3.h
Copyright: Torbjorn Sjostrand, Gavin Salam.
License: GPL-2+

Files: include/History.h src/History.cc include/MergingHooks.h src/MergingHooks.cc
Copyright: Torbjorn Sjostrand, Stefan Prestel.
License: GPL-2+

Files: include/SigmaHiggs.h src/SigmaHiggs.cc
Copyright: Torbjorn Sjostrand, Marc Montull
License: GPL-2+

Files: include/SigmaSUSY.h include/SusyCouplings.h include/SusyLesHouches.h
 src/SigmaSUSY.cc src/SusyCouplings.cc src/SusyLesHouches.cc
 src/SusyResonanceWidths.cc
Copyright: Torbjorn Sjostrand, N. Desai, P. Skands
License: GPL-2+

Files: include/SusyResonanceWidths.h
Copyright: Torbjorn Sjostrand, N. Desai
License: GPL-2+

Files: src/PartonDistributions.cc
Copyright: Torbjorn Sjostrand, M. Glueck, E. Reya and A. Vogt.
License: GPL-2+

Files: debian/*
Copyright: 2011 Lifeng Sun 
License: GPL-2+

License: GPL-2+
 This package 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 package 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
 GNU General Public License for more details.
 .
 You should have received a copy of the GNU General Public License
 along with this program. If not, see 
 .
 On Debian systems, the complete text of the GNU General
 Public License version 2 can be found in "/usr/share/common-licenses/GPL-2".