Copyright for octave-optiminterp source package in Xenial

Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: optiminterp package for Octave
Upstream-Contact: The Octave Community 
Source: http://octave.sourceforge.net/optiminterp/index.html

Files: *
Copyright: 2005, 2006, 2008  Alexander Barth 
           2007 Aida Alvera-Azcárate 
           2006 David Saunders (NASA Ames Research Center)
           2008 Gian Franco Marras (CINECA) 
License: GPL-3+

Files: debian/*
Copyright: 2008 Ólafur Jens Sigurðsson 
           2008, 2009, 2012, 2013 Rafael Laboissiere 
           2008, 2009, 2011 Thomas Weber 
License: GPL-3+

License: GPL-3+
 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 3 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 along
 with this program.  If not, see .
 .
 On Debian systems, the complete text of the GNU General Public
 License, version 3, can be found in the file
 `/usr/share/common-licenses/GPL-3'.