[ODE] PosR - a better way?

[Adam D. Moss]

Geoff Carlton wrote:
> Actually, the whole PosR structure is one aspect I dislike about ode.  
> If geoms kept their PosR structure it would be easy to have geoms offset 
> from their bodies (rather than needing the extra GeomTransform), and it 
> would also save on allocs.

Personally I agree.  Most of my geoms ARE offset, and it's
quite onerous to jump through the GeomTransform hoops.
Non-offset geoms stop being the common case at about the
time an ODE user grows out of drawstuff. :)

--Adam