Added AbstractHypothesis and HypothesisTest (remains to implement HypothesisTest)
(Removed instance BitSet)
fixed outdated featureVector references in the testing code
Merge branch 'master' of https://github.com/vmohan7/Arimaa into testNB
Added a little code to HypothesisTest (reworked to make static methods)
Finished implementing the Test Harness. Still needs to be tested and
maybe commented more??
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
Add NBHypothesis and updated NBTrain
Naive hypothesis