Copyright for rubber source package in Bionic

Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: Rubber
Upstream-Contact: https://launchpad.net/~rubber-devs
Source: https://launchpad.net/rubber

Files: *
Copyright: 2002-2011 Emmanuel Beffara 
           2012-2015 Hilmar Preuße 
           2015-2015 Sebastian Kapfer 
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.
 .
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 .
 On Debian based systems, the full GNU General Public License may be
 found at /usr/share/common-licenses/GPL-2.