[ptx] Separate Optimizer/Stitcher Package?

[alexandre jenny]

> Just elaborating (correct me if I'm wrong):
> 
> This 'panorama' library is a modern version of 'pano12', but 
> written in C++; hugin and nona will soon no longer depend on 
> Helmut's old pano12 library - A future flexible optimiser can 
> use this 'panorama' library too.

In fact, many of the features this new core library will provided are
already in the panorama folder in hugin project.
And of course, it will totally pano12 independant.

> So, my clone of PTOptimizer using pano12 is just a temporary 
> solution that is mostly interesting to people who prefer to 
> run exclusively Free software or can't use an existing 
> pre-compiled PTOptimizer (osX users).

Yep.

Alexandre