Copyright for partman-crypto source package in Precise

Copyright 2005-2006 by Max Vozeler , based on work by
Anton Zinoviev.

base64/base64.c is derived from http://base64.sf.net/b64.c
Copyright (c) 2001 Bob Trower, Trantor Standard Systems Inc.
Licensed under the MIT license.

blockdev-wipe/blockdev-wipe.c is
Copyright (C) 2006 David Härdeman 

This package is licensed under the GNU General Public License version 2,
or any later version at your option. On Debian systems, the GPL is
available in /usr/share/common-licenses/GPL.