Copyright for lwn4chrome source package in Xenial

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0
Upstream-Name: lwn4chrome

Files: *
Copyright:
 Copyright (c) 2015 Polyvations Pty Ltd
 Copyright (c) 2015 Andrew Pollock
License: Apache-2.0

Files: debian/*
Copyright:
 2015 Michael Gilbert 
License: Apache-2.0

License: Apache-2.0
 See /usr/share/common-licenses/Apache-2.0.