Added kmeans python example
Python OCR example
Removed distance calculate classes, using SciPy for that.
python code cleanup
Cleanup
Some updates to example documenatation
Added error calculation
added python rbf functions
added python RBF network
Some bug fixing.  Removed the divide by 2 on SSE, also renamed ESS to SSE.  Fixed unit tests that went along with these.
working on python optimization chapter
C#: Made distance bug fixes from Java code.
C#: Fixed ESS to be SSE
C#: Fixed RBF ToString and several unit tests
C#: #5 fixed unit test to use int, not double.
C# cleanup
working on python optimization chapter
Some tuning on Java annealing, need to move to C# as well.
Java, ScoreRegressionData to use MSE.  Should also do this for C#.
Python: fixed simulated annealing.