add second python workshop at 5:00 in mudd 627

![untitled](https://f.cloud.github.com/assets/1843466/2058889/77252b1e-8b8b-11e3-8171-4fd2b1e0b62c.png)
![waf](https://f.cloud.github.com/assets/1843466/2058890/77253e4c-8b8b-11e3-9872-43738489e02d.png)