Merge pull request #12 from KellyBlack/dev

Merge the line art for the approximation and the csv example in R.
Deleted the synctex file.
merged the changes to the presentation and the new data files.
Added Beth's data files.
Merge pull request #11 from KellyBlack/dev

Merge the line art for the approximation and the csv example in R.
presentation edits
Merge remote-tracking branch 'origin/dev' into candace_dev
commented out plot commands
Merge remote-tracking branch 'origin/milstein' into candace_dev
First draft of the matlab file to make a movie.
Merge pull request #33 from candaceliu/candace_dev

Copy over the updated presentation and the update to use the Milstein method.
Merge pull request #21 from KellyBlack/dev

Dev