Copyright for bbtime source package in Oracular

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: bbtime
Upstream-Contact: John Kennis 
Source: https://sourceforge.net/projects/bbtools/files/bbtime/

Files: *
Copyright: 1998-2000 John Kennis
           1997,1998 Brad Hughes
License: GPL-2+

Files: debian/*
Copyright: 2000-2002 Timshel Knoll 
           2005-2016 Kevin Coyner 
License: GPL-2+

License: GPL-2+
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2 of the License, or
 (at your option) any later version.
 .
 On Debian GNU/Linux systems, the complete text of the GNU General Public
 License version 2 can be found in `/usr/share/common-licenses/GPL-2'.