Add AI file with slide deck vector diagrams

Provides access to raw graphical files for contributes to edit and
adjust as needed for generating PNGs used in slides.

![screen shot 2013-08-08 at 3 12 59 pm](https://f.cloud.github.com/assets/352082/934668/532c617a-006f-11e3-93b7-72a39027fca8.png)