Copyright for xfce4-taskmanager source package in Yangtze V1.0

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: xfce4-taskmanager
Source: http://goodies.xfce.org/projects/applications/xfce4-taskmanager

Files: *
Copyright: 2006, Johannes Zellner 
 2008, Mike Massonnet 
License: GPL-2+

Files: debian/*
Copyright: 2005, Markus Bergholz 
License: GPL-2+

License: GPL-2+
 You are free to distribute this software under the terms of
 the GNU General Public License version 2 or (at your option) any later
 version.
 .
 On Debian systems, the complete text of the GNU General Public
 License can be found in the file `/usr/share/common-licenses/GPL-2'.