Copyright for unity-lens-friends source package in Trusty

Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: unity-lens-friends
Source: https://launchpad.net/unity-lens-friends

Files: *
Copyright: 2012 Canonical Ltd.
License: GPL-3
 On Debian systems, the complete text of the GNU General
 Public License version 3 can be found in "/usr/share/common-licenses/GPL-3".