Copyright for e2tools source package in Jammy

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Contact: Hans Ulrich Niedermann 
Upstream-Source: https://github.com/e2tools/e2tools/
Upstream-Name: e2tools

Files: *
Copyright:
 1997 Theodore Ts'o
 2002 Keith W. Sheffield
 2007- Hans Ulrich Niedermann 
 2015- Christoph Gysin
License: GPL-2+

Files: debian/*
Copyright: 2003-2005 Robert Millan 
 2005 Lucas Wall 
 2009 Iulian Udrea 
 2020-2021 xiao sheng wen 
License: GPL-2+

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.
 . 
 This program is distributed in the hope that it will be useful
 but WITHOUT ANY WARRANTY; without even the implied warranty o
 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 with
 the Debian GNU/Linux distribution in file /usr/share/common-licenses/GPL-2;
 if not, write to the Free Software Foundation, Inc., 51 Franklin St, 
 Fifth Floor, Boston, MA 02110-1301, USA.