Copyright for ncompress source package in Xenial

Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: ncompress
Upstream-Contact: Mike Frysinger 
Source: https://github.com/vapier/ncompress

Files: *
Copyright: Public Domain
License: public-domain
 Placed in the public domain by Spencer W. Thomas and James A. Woods.  Other
 authors include: Jim McKie, Steve Davies, Ken Turkowski, Joe Orost, Dave Mack,
 and Peter Jannesen, as well as the current maintainer Mike Frysinger.

Files: debian/*
Copyright: 1996-1997 Christoph Lameter 
           1997 Helmut Geyer       
           1998 Adam Klein 
           2001 Colin Watson 
           2003-2004,2006-2007,2009-2010,2015 Kenneth J. Pronovici 
License: public-domain
 Copying and distribution of these files, with or without modification, is
 permitted in any medium without royalty provided the copyright notice and
 this notice are preserved.