[ODE] TriMesh support and OPCODE added to ODE core

[Anselm Hook]

> > It is true that with a BSD license people do not have an 'obligation' to
> > add their improvements back into the original source tree - but often they
> > will - for a variety of subtle reasons.  The reality of the actual use of
> > the BSD license versus the GPL license seems to substantially differ from
> > the rhetoric that surrounds each.
> >
>
> Please don't forget the LGPL license, where you must make public the
> changes to the LGPL'ed library but also you can use it in a closed
> source commercial product.

Yes I forgot about that one,  I must be blanking out whenever I see
the letters GPL together :-).

The creative commons website has an interesting approach as well - worth
looking at how they let developers frame licensing.

 - a