extended miner.py to convert pdf to txt, html, or xml
getting started on html exploration module, adding BeautifilSoup4 dependency
Merge branch 'master' of https://github.com/dhcolumbia/opensyllabus into dev

pulling recent changes to the upstream master
Merge pull request #57 from cosmicBboy/master

Merging extension of pdfMiner to convert pdf to txt, html, or xml