Copyright for libnftnl source package in Bionic

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: libnftnl
Source: https://git.netfilter.org/libnftnl

Files: *
Copyright: 2013 Pablo Neira Ayuso 
License: GPL-2+

Files: tests/nft-chain-test.c tests/nft-expr_*-test.c tests/nft-rule-test.c tests/nft-set-test.c tests/nft-table-test.c
Copyright: 2012 Ana Rey Botello 
License: GPL-2+

Files: debian/*
Copyright: 2014 Arturo Borrero Gonzalez 
License: GPL-2+

Files: src/ruleset.c
Copyright: 2012-2013 Pablo Neira Ayuso 
	   2013 Arturo Borrero Gonzalez 
	   2013 Alvaro Neira Ayuso 
License: GPL-2+

Files: src/utils.c
Copyright: 2012-2013 Pablo Neira Ayuso 
	   2013 Arturo Borrero Gonzalez 
License: GPL-2+

Files: src/jansson.c
Copyright: 2013 Alvaro Neira Ayuso 
License: GPL-2+

Files: src/expr/masq.c src/expr/redir.c
Copyright: 2014 Arturo Borrero Gonzalez 
License: GPL-2+

Files: src/expr/queue.c
Copyright: 2013 Eric Leblond 
License: GPL-2+

Files: src/expr/nat.c
Copyright: 2012-2014 Pablo Neira Ayuso 
	   2012 Intel Corporation
License: GPL-2+

Files: examples/nft-chain-parse-add.c examples/nft-rule-parse-add.c examples/nft-table-parse-add.c examples/nft-set-parse-add.c
Copyright: 2013 Pablo Neira Ayuso 
	   2013 Arturo Borrero Gonzalez 
License: GPL-2+

Files: examples/nft-ruleset-get.c
Copyright: 2013 Arturo Borrero Gonzalez 
License: GPL-2

License: GPL-2+
 This package 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 package 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.
 .
 You should have received a copy of the GNU General Public License
 along with this program. If not, see 
 .
 On Debian systems, the complete text of the GNU General
 Public License version 2 can be found in "/usr/share/common-licenses/GPL-2".

License: GPL-2
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU Library General Public License as published by
 the Free Software Foundation.
 .
 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 Library General Public License for more details.
 .
 You should have received a copy of the GNU General Public License
 along with this program. If not, see 
 .
 On Debian systems, the complete text of the GNU General
 Public License version 2 can be found in "/usr/share/common-licenses/GPL-2".