Adds an alt RD uniform to the code

As the title says.
I'm not sure on the mapping yet, so I didn't touch that. Should be added to the RDs closet, if possible.

Thanks to Nienhaus for the sprites. His notes on it "Made to look like Dr. Krieger without labcoat."
![iyv8bz6](https://f.cloud.github.com/assets/5836184/1804210/f79bb3ec-6c3e-11e3-824b-8c0ced4a894a.gif)