Copyright for asterisk-opus source package in Stretch

Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: asterisk-opus
Upstream-Contact: http://github.com/traud/asterisk-opus/issues/
Source: https://github.com/traud/asterisk-opus/downloads
 git://github.com/traud/asterisk-opus

Files: *
Copyright: 2013,2016, Digium, Inc.
  2014, Lorenzo Miniero
License-Grant:
 This program is free software, distributed under the terms of
 the GNU General Public License Version 2. See the LICENSE file
 at the top of the source tree.
License: GPL-2

Files: codecs/ex_opus.h
Copyright: 2014, Lorenzo Miniero
License-Grant:
 Distributed under the terms of the GNU General Public License
License: GPL-2
Comment:
 Version of GPL is assumed to be 2, same as other files by same author.

Files: debian/*
Copyright: 2016, Jonas Smedegaard 
License-Grant:
 This file 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 3 of the License, or (at your
 option) any later version.
License: GPL-3+

Files:
 debian/patches/1001_make_separate_buildflags.patch
 debian/patches/1002_make_improve_installpath.patch
 debian/patches/1003_make_improve_cleanup.patch
Copyright: 2016, Jonas Smedegaard 
License-Grant:
 License: GPL-2+
License: GPL-2+

License: GPL-2
License-Reference: /usr/share/common-licenses/GPL-2

License: GPL-2+
License-Reference: /usr/share/common-licenses/GPL-2

License: GPL-3+
License-Reference: /usr/share/common-licenses/GPL-3