Copyright for shorewall-lite source package in Bionic

Upstream-Source: http://www.shorewall.net

Files: *
Copyright: (c) 1999-2011 Thomas M. Eastep 
License: GPL-2
 On Debian systems, the complete text of the GNU General Public License,
 version 2, can be found in /usr/share/common-licenses/GPL-2.

Files: debian/*
Copyright: (c) 2007-2011 Roberto C. Sanchez 
Copyright: (c) 2006-2007 Lorenzo Martignoni 
License: GPL-2