Start messing with CurveMatrix and ImageDisplay.
Convert Imagedisplay to use Eigen matrix and some modifications to
Imagedisplay and necessary changes elsewhere.
Introduce HSEdge to Eigen.
Everything is aware of Eigen now. Currently a problem with Xprime's
dimensions in levenbergmarquardt.
Remove CurveMatrix completely and any lapack references.
Remove remaining alternative matrix references.
Fix Imagedisplay null pointer bug.