Copyright for mescc-tools source package in Focal

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: mescc-tools
Source: https://github.com/oriansj/mescc-tools

Files:     *
Copyright: 2016-2019 Jeremiah Orians
           2017-2018 Jan Nieuwenhuizen
           2019 ng0
           2015 David Thompson
License:   GPL-3.0+

License:   GPL-3.0+
 This file is part of stage0.
 .
 stage0 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.
 .
 stage0 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 stage0.  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'.