Copyright for cnvkit source package in Focal

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

Files: *
Copyright: © 2013-2017 Eric Talevich
License: Apache-2.0

Files: debian/*
Copyright: © 2016 Michael R. Crusoe 
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.
   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 full text of the Apache License, Version 2.0 can be
   found in the file `/usr/share/common-licenses/Apache-2.0'