Add CurvatureFlow and Median filters.
Add CurvatureFlow and Median filters.

And illustrated how parameters can be passed in the Execute() method, along
with the image.

5x5x5x5/ReproTutorial,5x5x5x5/ReproTutorial,reproducible-research/scipy-tutorial-2014,reproducible-research/scipy-tutorial-2014,5x5x5x5/ReproTutorial,reproducible-research/scipy-tutorial-2014