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Merge branch 'master' of https://github.com/bps10/NeitzModel

* 'master' of https://github.com/bps10/NeitzModel:
  plotting cosmetics
  update kaiser plotting to CIE
  change kaiser plotting
  added optimization routine
  added Volbrecht1997
  carroll plotting
  added carroll
  colorModel update, colorspace lstsq
  still working out kaiser