gta02-core license

[Dave Ball]

Werner Almesberger wrote:
> - for code that's not a library, GPL >= 2.0
>   http://www.gnu.org/licenses/gpl-2.0.html
>
> - for code that is likely to have uses as a library per se,
>   LGPL >= 2.1
>   http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
>
> - for non-code, which will be the bulk of the work specific to
>   gta02-core, CC-BY-SA 3.0
>   http://creativecommons.org/licenses/by-sa/3.0/
>   http://creativecommons.org/licenses/by-sa/3.0/legalcode

This all sounds good to me - including for the stuff I've contributed so 
far.

Dave