Copyright for libnss-docker source package in Bionic

Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: nss-docker
Upstream-Contact: Piotr Roszatycki 
Source: https://github.com/dex4er/nss-docker/releases/latest

Files: *
Copyright: 2015-2016 Piotr Roszatycki 
License: LGPL-2+

Files: debian/*
Copyright: 2015-2016 Piotr Roszatycki 
License: GPL-2+

Files: debian/libnss-docker.postinst debian/libnss-docker.postrm
Copyright: 2004-2007 Lennart Poettering
           2015 Piotr Roszatycki 
License: LGPL-2+

License: GPL-2+
 On Debian systems, the full text of the GNU General Public
 License can be found in the file
 `/usr/share/common-licenses/GPL'.

License: LGPL-2+
 On Debian systems, the full text of the GNU Lesser General Public
 License can be found in the file
 `/usr/share/common-licenses/LGPL'.