Added some scripts to run waffles machine learning toolkit.
refactored cent_image_gen.c
Renamed displayFloatCentroids/Vector to printFloatCentroid/Vector
To be consistent with showing an image, vs printing values.
reoganize methods used for rescaling centroids
progress towards color generated centroid images
comments
updates for colored centroids
better comments for testCentroidImageGeneration
Moved testExtRatio from czt test1 to the main test and added stub test
for testColorCentroidImageGeneration
refactored testExtRatio
better comments in GetObservation
created doc directory and added NodeObservationFormat.txt
comments / refactored _Cig_UpdateLayerZeroImages
updates to handle color centroid image generation
update NodeObervationFormat
ImageSourceBase: doesn't need to convert from BGR to RGB
VideoSource: guard against memory leak if turnOnColor() is called twice.
letters_experiment.py: removed dead code
bug fixes with colored centroids. Able to equalizeHist on color images.