Copyright for jpegpixi source package in Focal

Jpegpix was originally debianized by
  Martin Dickopp 
and based on his work, later taken over by
  Jarno Elonen 

It is now maintained by Kevin Coyner 

It was downloaded from 

Upstream Author: Martin Dickopp 

Copyright (C) 2002, 2003, 2004 Martin Dickopp

License:

   Jpegpixi 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.

   Jpegpixi 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 jpegpixi; if not, write to the Free Software
   Foundation, 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.

   This software is based in part on the work of the Independent JPEG Group.
   See `README.jpeglib.gz' for copyright and license information.

On Debian systems, the complete text of the GNU General
Public License can be found in `/usr/share/common-licenses/GPL'.