Copyright for flexpart source package in Xenial

Copyright 1998-2010 Andreas Stohl 

Authors:
Andreas Stohl, Petra Seibert, A. Frank, Gerhard Wotawa,
Caroline Forster, Sabine Eckhardt, John Burkhart, Harald Sodemann

 FLEXPART 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.

 FLEXPART 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.

On Debian systems, the GNU GPLv3 is available at /usr/share/common-licenses/GPL-3

The file convect4c.f90 was written by  Kerry Emanuel  and downloaded from:
http://www-paoc.mit.edu/~emanuel/home.html