Copyright for stevedore source package in Nile V2.0

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: stevedore
Source: https://github.com/openstack/stevedore

Files: *
Copyright: (c) 2012, DreamHost
           (c) 2013, Hewlett-Packard Development Company, L.P.
License: Apache-2.0

Files: debian/*
Copyright: (c) 2012, Julien Danjou 
           (c) 2012-2018, Thomas Goirand 
           (c) 2016, Ondřej Nový 
License: Apache-2.0

License: Apache-2.0
 Licensed under the Apache License, Version 2.0 (the "License"); you may
 not use this file except in compliance with the License.
 .
 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.
Comment:
 On Debian systems the 'Apache License' version 2.0 is located in
 '/usr/share/common-licenses/Apache-2.0'.