Add feature extraction code and computed features.
Run extractAllFeatures( numTemporalSamples, numPcaBasis, trainSequenceNum )
Current features are computed by numTemporalSamples = 30, numPcaBasis = 1000, and trainSequenceNum = 6
delete data files since they are too large
Merge branch 'master' of https://github.com/swamiviv/CMSC828T-project