removed deprecated RMADlib code, added PivotalR demo script
Update HomePage.md
added PivotalR demo video & ppt
added Anant's quickstart guide
changed filename of quickstart guide
Update HomePage.md
Update HomePage.md
updated demo video
Merge pull request #12 from wjjung317/master

PivotalR demo (updated), deck, code, and Anant's quickstart guide added