Copyright for libextractor-java source package in Xenial

Files: *
Copyright:
 (C) 2002-2010 Christian Grothoff 
 (C) 2002-2010  Vidyut Samanta 
License: GPL-2+

Files: debian/*
Copyright: (C) 2005-2012 Daniel Baumann 
License: GPL-2+

License: GPL-2+
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2 of the License, or
 (at your option) any later version.
 .
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 GNU General Public License for more details.
 .
 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 .
 The complete text of the GNU General Public License
 can be found in /usr/share/common-licenses/GPL-2 file.