Copyright for aoetools source package in Bullseye

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Contact: Ed L. Cashin 

Files: *
Copyright: (C) 2007 by Coraid, Inc., Ed Cashin and Erik Quanstrom.
License: GPL-2.0-only

Files:
 debian/*
Copyright:
 2003-2014 David Martínez Moreno 
 2016 Christoph Biedl 
License: GPL-2.0-only

License: GPL-2.0-only
 This package is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License version 2 as
 published by the Free Software Foundation.
 .
 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".