Merge pull request #44 from TatyaniaM/Dev

Dev
Merge pull request #45 from amandagroccia/dev

Dev
Merge pull request #46 from TatyaniaM/Dev

Dev
Removed tracking of the R history and r data files
Merged Tatyania's changes to the presentation
Added notes to the presentations and removed some slides.
Merge branch 'dev' of github.com:amandagroccia/SUNYSDE2014 into Dev
Merge pull request #36 from KellyBlack/Dev

Dev