Copyright for empy source package in Sid

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: empy
Upstream-Contact: software@alcyone.com
Source: http://sdformat.org/

Files: *
Copyright: 2002-2003 Erik Max Francis
License: LGPL-2.1+

Files: debian/*
Copyright: 2005-2013 Ana Beatriz Guerrero Lopez 
           2019 Jose Luis Rivero 
License: GPL-2

License: LGPL-2.1+
  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.
  .
  This library 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
  Lesser General Public License for more details.
  .
  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

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