The following graphics were created by Peter Mathis <pmathis@gmail.com> and
are licensed under the Creative Commons Attribution-Share Alike license
(http://creativecommons.org/licenses/by-sa/3.0/):

* button.png
* hud_gradient.png
* menubox.png
* smallbutton.png
* destroids.png
* background1.jpeg
* energy.png
* repairkit.png

All other graphics are created by Klaus Reimer <k@ailis.de> and are
released into the public domain.
