Copyright for belcard source package in Mantic

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: belcard
Upstream-Contact: https://www.linphone.org/contact
Source: https://gitlab.linphone.org/BC/public/belcard

Files: *
Copyright: 2015-2017 Belledonne Communications, Grenoble France
License: GPL-3.0+

Files: debian/*
Copyright: 2017 Dr. Tobias Quathamer 
           2020 Bernhard Schmidt 
           2021 Dennis Filder 
License: GPL-3.0+

Files: CMakeLists.txt build/CMakeLists.txt src/CMakeLists.txt tester/CMakeLists.txt tools/CMakeLists.txt cmake/BelcardConfig.cmake.in
Copyright: 2010-2019 Belledonne Communications, Grenoble France
License: GPL-2.0+

License: GPL-2.0+
 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'.

License: GPL-3.0+
 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.
 .
 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 3 can be found in "/usr/share/common-licenses/GPL-3".