Copyright for openhft-affinity source package in Focal

Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: OpenHFT Java Thread Affinity
Source: https://github.com/OpenHFT/Java-Thread-Affinity

Files: *
Copyright: 2014, Higher Frequency Trading
License: Apache-2.0

Files: debian/*
Copyright: 2016, Emmanuel Bourg 
License: Apache-2.0

License: Apache-2.0
 On Debian systems, the full text of the Apache-2.0 license
 can be found in the file '/usr/share/common-licenses/Apache-2.0'