Copyright (c) 2015 Kalliopi Savvaki
Copyright (c) 2015 Georgios Kiagiadakis
Unless otherwise stated, this work is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/4.0/.
The above does not cover computer program source code files, which are instead licensed under the GNU General Public License version 3. To view a copy of this license, visit https://www.gnu.org/licenses/gpl-3.0.html