Moved into separate folder
Keep these for the moment.  Integrate all the ellipse stuff when we have a moment to think about fitting.
Compare irradiance from PTB and ISET.
Useful for now for testing irradiance.
We may just get rid of them and put in a function to create them some time.
Moved from one folder up.
Moved the files.  Neatened a bit.  On to calculating cone isomerizations.