Merge pull request #681 from waterbearlang/667_data_analysis_blocks

Data analysis term project (from #667)
updated generated files
Merge branch 'master' of https://github.com/waterbearlang/waterbear
Created first machine learning block -- performs k-Nearest Neighbors algorithm on a test feature vector given a training set and a number k. Uses Euclidean distance as similarity function. Tested on this dataset: http://archive.ics.uci.edu/ml/datasets/Iris