Updating eigenfaces and adding online and "the homework review process"
Merge branch 'master' of https://github.com/yoavfreund/UCSD_BigData
Adding docs notebook directory
Changed notebookCollections.md
Merge branch 'master' of https://github.com/yoavfreund/UCSD_BigData

Conflicts:
	notebooks/eigenfaces/EigenFaces.ipynb