Copyright for ipcheck source package in Xenial

This package was debianized by Mark Purcell  on
Wed, 25 Apr 2001 10:17:20 +1000.

It was downloaded from http://ipcheck.sourceforge.net/ipcheck.py

Upstream Authors: Kal 

Copyright:
# Author  : Kal 

# ipcheck.py
#
# Copyright GNU GENERAL PUBLIC LICENSE Version 2
# http://www.gnu.org/copyleft/gpl.html
#
# Author  : Kal 

Released under the GNU General Public License, version 2
or later, found on Debian GNU/Linux systems in the file
/usr/share/common-licenses/GPL