What is the copyright status of the graphic images:
Who holds copyright, starting in what years?
What grant of license in that work does the recipient receive?
The top-level ‘copyright’ file seems to imply that all the files have this copyright status:
Files: * Copyright: 2015 Amagicom AB <admin@mullvad.net> 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.