Merge pull request #1 from mwbinger/master

testpullwithandrew
Merge pull request #2 from mwbinger/master

Andrew's second try of a pull from Michael's Repo
Merge pull request #3 from mwbinger/master

Andrew Pull 1/4/13 morning
I commented on the first several lines of linear regression
Merge pull request #3 from andrew1977b/master

Andrew Creating A Pull Request from Michael's Repo