Copyright for caveconverter source package in Xenial

Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: Cave Converter
Upstream-contact: Footleg 
Source: http://wscc.darkgem.com/caveconverter/
Comment: The upstream zip file has been repackaged as a tarball.

Files: *
Copyright: Copyright 2009-2013 Paul Fretwell 
License: GPL-v3+
 On Debian systems the license text is available in /usr/share/common-licenses/GPL-3
 
Files: debian/*
Copyright: Copyright 2012-2013 Wookey 
License: GPL-v3+
 On Debian systems the license text is available in /usr/share/common-licenses/GPL-3