Copyright for lightdm-gtk-greeter source package in Nile V2.0

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: lightdm-gtk-greeter
Upstream-Source: https://launchpad.net/lightdm-gtk-greeter

Files: *
Copyright: Sean Davis
License: GPL-3

Files: debian/*
Copyright: © 2010-2018 Yves-Alexis Perez 
License: GPL-2

Files: src/greeterconfiguration.c
 src/greeterconfiguration.h
 src/greeterdeprecated.c
 src/greeterdeprecated.h
Copyright: 2015-2017, Sean Davis 
  2015-2018, Sean Davis 
  2017-2018, Sean Davis 
License: GPL-3+

Files: src/greetermenubar.h
Copyright: 2014, Andrew P. 
License: GPL-3+

Files: ltmain.sh
Copyright: 1996-2015, Free Software Foundation, Inc.
License: GPL-2+

Files: src/lightdm-gtk-greeter.c
Copyright: 2010-2011, Robert Ancell 
  2011, Gunnar Hjalmarsson 
  2012, Julien Lavergne 
  2012-2013, Lionel Le Folgoc 
  2013-2015, Simon Steinbeiß 
  2013-2018, Sean Davis 
  2014, Andrew P. 
License: GPL-3+

Files: src/greeterbackground.c
Copyright: 2014, Andrew P. 
  2014-2018, Sean Davis 
  2015, Robert Ancell 
  2015, Simon Steinbeiß 
License: GPL-3+

Files: src/greetermenubar.c
Copyright: 2014, Andrew P. 
  2017, Sean Davis 
License: GPL-3+

Files: src/greeterbackground.h
Copyright: 2014, Andrew P. 
  2014-2015, Sean Davis 
  2015, Simon Steinbeiß 
License: GPL-3+

Files: autogen.sh
Copyright: 2010-2011, Robert Ancell 
  2017-2018, Sean Davis 
License: GPL-3+

License: GPL-2
 On Debian systems, the complete text of the GNU General
 Public License version 2 can be found in
 `/usr/share/common-licenses/GPL-2'.

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'.

License: GPL-2+
 On Debian systems, the complete text of the GNU General
 Public License version 2 can be found in
 `/usr/share/common-licenses/GPL-2'.

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'.