Copyright for json-smart source package in Bionic

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: JSON Small and Fast Parser
Source: https://github.com/netplex/json-smart-v2

Files: *
Copyright: 2011-2015, Uriel Chemouni 
           2008-2013, Fang Yidong 
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'