Copyright for echelon source package in Xenial

This package was debianized by Christian Marillat  on
Thu, 21 Dec 2000 10:40:18 +0100.

It was downloaded from http://p.karatchentzeff.free.fr/freesoft/echelon/index.html

Upstream Author: Patrice Karatchentzeff 

Copyright: Patrice Karatchentzeff 2000, 2002

  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.