This software was written as part of the Invirt project . Copyright : 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. On Debian systems, the complete text of the GNU General Public License can be found in the file /usr/share/common-licenses/GPL. The file "code/static/power_installing.png" is from the Human-O2 icon set by Oliver Scholtz and is released under the "GNU/GPL" (source: http://www.iconfinder.net/icondetails/24350/128/ - http://schollidesign.deviantart.com/art/Human-O2-Iconset-105344123)