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
updating online optimization
update notebook
Updated the directions for doing and reviewing HW.
added docs to NotebookCollections.md
Adding several files.
Ok
Merge branch 'master' of https://github.com/yoavfreund/UCSD_BigData