License
=======
This demo is freeware. You may redistribute freely it as long as the whole 
package is left unmodified and complete (including this file). You may not 
sale this software. You may not misrepresent the origin of this software. By using this software, you agree that the author should 
not be liable or responsible for any damages, injuries or liabilities caused 
directly or indirectly from the use of the software, including but not limited
to incidental, consequential or special damages.

The additionnal shader files in the datas folder (ps and vs files) are subject the LGPL license . Please see the header of each file.
If you use those in one of your project, it would be nice to give credit, though.
