Copyright for lxcfs source package in Lunar

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: lxcfs
Upstream-Contact: lxc-devel@lists.linuxcontainers.org
Source: https://linuxcontainers.org/lxcfs/downloads

Files: *
Copyright: 2014-2018 Canonical Ltd.
License: Apache-2

Files: debian/*
Copyright: 2014-2015 Canonical Ltd.
           2016 Adnan Hodzic 
           2016-2017 Evgeni Golov 
           2018 Pierre-Elliott Bécue 
License: Apache-2

License: Apache-2
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
 .
 http://www.apache.org/licenses/LICENSE-2.0
 .
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 .
 On Debian systems, the complete text of the Apache License 2.0 can
 be found in "/usr/share/common-licenses/Apache-2.0"