Trimesh-trimesh collider (was Re[2]: [ODE] Triangle-boxcollidercontribution)

[Jeffrey Smith]

> If anyone wants to do it then a patch is welcome -- hopefully
> it's as simple as (something like) getting the body's rotation
> matrix from ODE and sticking that in the top-left of the
> homogenous 4x4, getting the position vector and sticking that in
> the 4th column, and then feeding that back into dGeomTriMeshDataSet()
> as per the documentation.

It's exactly that simple.  I hacked it up last night on my home machine;
I'll try to submit it myself tomorrow or this weekend.  

-jeff