Copyright for wireguard source package in Xenial

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: WireGuard command-line tools
Source: https://www.wireguard.com/
Upstream-Contact: WireGuard mailing list 

Files: *
Copyright: 2015-2020 Jason A. Donenfeld 
License: GPL-2

Files: contrib/external-tests/python/main.py
Copyright: 2018 Piotr Lizonczyk 
License: MIT

Files: src/netlink.h contrib/embeddable-wg-library/*
Copyright: 2015-2020 Jason A. Donenfeld 
 2008-2012 Pablo Neira Ayuso 
License: LGPL-2.1+

Files: src/curve25519-fiat32.h
Copyright: 2015-2016 The fiat-crypto Authors.
           2018-2020 Jason A. Donenfeld 
License: GPL-2 or MIT

Files: src/curve25519-hacl64.h
Copyright: 2016-2017 INRIA and Microsoft Corporation.
           2018-2020 Jason A. Donenfeld 
License: GPL-2 or MIT

Files: src/uapi/openbsd/net/if_wg.h
Copyright:  2020 Matt Dunwoodie 
            2020 Jason A. Donenfeld 
License: ISC

Files: debian/*
Copyright: 2016-2020 Daniel Kahn Gillmor 
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; version 2.
 .
 On Debian systems, the complete text of the GNU General Public License
 version 2 can be found in file "/usr/share/common-licenses/GPL-2".

License: LGPL-2.1+
 This package is free software; you can redistribute it and/or modify
 it under the terms of the GNU Lesser General Public License as
 published by the Free Software Foundation; version 2.1 or later.
 .
 On Debian systems, the complete text of the GNU Lesser General Public
 License version 2.1 can be found in file
 "/usr/share/common-licenses/LGPL-2.1".

License: MIT
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the Software is
 furnished to do so, subject to the following conditions:
 .
 The above copyright notice and this permission notice shall be included in all
 copies or substantial portions of the Software.
 .
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.

License: ISC
 Permission to use, copy, modify, and/or distribute this software for
 any purpose with or without fee is hereby granted, provided that the
 above copyright notice and this permission notice appear in all copies.
 .
 THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.