Mostly done writing NBTrain. Have yet to update frequencies for non-expert moves.
Added comments to NBTrain.java.
Merge branch 'master' of https://github.com/vmohan7/Arimaa into nb_train
Finished train(); now to decompose.
Finished and beautified NBTrain
Merge branch 'master' of https://github.com/vmohan7/Arimaa into nb_train
Further beautified NBTrain.java
Added NBUnitTest
Merge branch 'master' of https://github.com/vmohan7/Arimaa into testNB
Also removed curr_move and curr state since they are calcualted
dynamically

Conflicts:
	ArimaaBot/src/feature_extractor/FeatureExtractor.java