slippery chicken documentation - licence

### Licence

Copyright (c) 2000-2012 Michael Edwards.

slippery-chicken is free open-source software released for non-commercial use under the terms of the GNU General Public License as published by the Free Software Foundation.

If you'd like to avoid the restrictions of this licence and use slippery-chicken for a closed-source product, you can purchase a commercial licence. Please get in touch for more details.