Copyright for mdadm source package in Xenial

This package was debianized by Mario Jou/3en  on
Wed, 26 Dec 2001 17:07:09 +0100.
Martin F. Krafft  took over on
Tue, 16 May 2006 13:21:06 -0500

The mdadm source was downloaded from
  http://www.kernel.org/pub/linux/utils/raid/mdadm/

Upstream Author: Neil Brown 

Copyright © 2001-2006 Neil Brown 
Packaging copyright © 2001-2005 Mario Jou/3en 
Packaging copyright © 2005-2008 Martin F. Krafft 

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.

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