Copyright for balsa source package in Sid

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: balsa
Upstream-Contact: Balsa Mailing List 
Source: https://gitlab.gnome.org/GNOME/balsa

Files: *
Copyright: 1997-2019 Balsa authors,
 1995-1997 Peter Mattis,
 1995-1997 Spencer Kimball,
 1995-1997 Josh MacDonald,
 1997-2010 Stuart Parmenter,
 2000 Thomas Roessler,
 2001,2002 Brian Stafford,
 2003-2019 Peter Bloomfield ,
 2000-2019 Pawel Salek ,
 2004-2005,2016-2019 Albrecht Dreß ,
 2011-2019 Piotr Drąg ,
 2012-2018 Мирослав Николић ,
 2016-2019 Alan Mortensen ,
 2016-2019 Balázs Meskó ,
 2011-2019 Daniel Mustieles ,
 2006-2011 Daniel Nylander ,
 2015-2019 Jordi Mas ,
 1998-2006,2011,2017 Kjartan Maraas ,
 2011-2019 Marek Černocký ,
 2009-2019 Mario Blättermann ,
 2000-2010 Carlos Morgado ,
License: GPL-2+

Files: libbalsa/completion.* libbalsa/application-helpers.*
Copyright: 1997-2016 Stuart Parmenter,
 2010-2019 Peter Bloomfield ,
License: GPL-3+

Files: libnetclient/*
Copyright: 2017-2019 Albrecht Dreß ,
 2017-2019 Peter Bloomfield ,
License: GPL-3+

Files: balsa.appdata.xml.in balsa.appdata.xml
Copyright: 2015-2020 Peter Bloomfield 
License: CC0-1.0

Files: debian/*
Copyright: 2003-2006 Andrew Lau ,
 2007-2010 Alan Baghumian ,
 2015 Andreas Henriksson ,
 2010,2016 Emilio Pozuelo Monfort ,
 2006 Guilherme de S. Pastore ,
 2013-2018 Jeremy Bicha ,
 2005-2009 Josselin Mouette ,
 2011,2017 Laurent Bigonville ,
 2004 Ray Dassen ,
 2006 Øystein Gisnås ,
 2007 Kilian Krause ,
 2005-2007 Loïc Minier ,
 2012,2015 Michael Biebl ,
 2020 Daniel Kahn Gillmor ,
License: GPL-2+

License: GPL-3+
 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 3 of the License, 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-3'.

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 of the License, 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-2'.

License: CC0-1.0
 On Debian systems the full text of the CC0-1.0 license can be found in
 '/usr/share/common-licenses/CC0-1.0'.