Copyright for vpnc source package in Xenial

Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Source: http://svn.unix-ag.uni-kl.de/vpnc/
Upstream-Name: vpnc
Upstream-Contact: vpnc-devel@unix-ag.uni-kl.de

Files: *
Copyright: 1999, Pierre Beyssac
 2002, Geoffrey Keating 
 2003, Christian Lackas 
 2003, Damion K. Wilson
 2003, Eduard Bloch 
 2003-2011, Maurice Massar 
 2003-2005, OpenVPN Solutions LLC
 2004, Martin von Gagern
 2004, Tomas Mraz
 2004, Stefan Tomanek 
 2005, Michael Tilstra
 2006, Daniel Roethlisberger
 2006-2007, Dan Villiom Podlaski Christiansen
 2006-2007, Wolfram Sang 
 2007-2014, Joerg Mayer 
 2007, Paolo Zarpellon 
 2009-2014, Antonio Borneo 
 2009-2014, David Woodhouse 
License: GPL-2+

Files: dh.* math_group.*
Copyright: 1998, Niels Provos
 1999-2000 Niklas Hallqvist
License: BSD-2-clause

Files: debian/*
Copyright: 2003-2008, Eduard Bloch 
 2008-2010, Eric Warmenhoven 
 2010, Reinhard Tartler 
 2011-2014, Florian Schlichting 
License: GPL-2+

License: BSD-2-clause
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions
 are met:
 1. Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.
 2. Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in the
    documentation and/or other materials provided with the distribution.

License: GPL-2+
 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, or (at your option) any
 later version.
 .
 On Debian systems, the complete text of version 2 of the GNU General
 Public License can be found in `/usr/share/common-licenses/GPL-2'.