Copyright for metar source package in Focal

This package was debianized by Kees Leune  on
Tue Dec 14 17:49:31 CET 2004

Upstream author: Kees Leune 

It was downloaded from: https:/github.com/keesl/metar

Copyright 2004-2017 Kees Leune

 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 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 with
 the Debian GNU/Linux distribution in file /usr/share/common-licenses/GPL;
 if not, write to the Free Software Foundation, Inc., 51 Franklin St, 
 Fifth Floor, Boston, MA 02110-1301, USA

On Debian systems, the complete text of the GNU General Public
License, version 2, can be found in /usr/share/common-licenses/GPL-2.