added product_dedup.py
Merge branch 'master' of github.com:amolvdeshpande/datascience-fall14-private
partial answers
added solutions to lab1
Merge branch 'master' of github.com:amolvdeshpande/datascience-fall14-private
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' of https://github.com/serrintine/datascience-fall14