Copyright for ifupdown-extra source package in Xenial

This is ifupdown-extra, written and maintained by
Javier Fernandez-Sanguino Peña 
on Sun, 13 Aug 2006 13:14:25 +0200.

The original source can always be found at:
	ftp://ftp.debian.org/dists/unstable/main/source/

Copyright Holder: 
    Copyright  2006 - 2011 Javier Fernandez-Sanguino Peña 

The code of the run_route() function in the
debian/ifupdown-extra.networking-routes.init script is derived from the
ifup-route script in SuSE's sysconfig package (scripts/ifup-route)

These portions are:

 Copyright (c) 2002 SuSE Linux AG Nuernberg, Germany. All rights reserved.
  Author: Christian Zoz , 2002
  Based on rcroute: Burchard Steinbild , 1996
                Werner Fink , 1996-2000


License:

  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
  along with this package; 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 can be
found in `/usr/share/common-licenses/GPL'.