Roboticist Clothes

Adds misc roboticist clothes, and makes them spawn with a full toolbelt.

A picture of the entire roboticist, including Glloyd's new coat:
![roboticist](https://cloud.githubusercontent.com/assets/7119464/3634849/e9b88c12-0f4c-11e4-8f9a-37ccbf6e9ca4.jpg)

A picture of the belt sprite:
![belt](https://cloud.githubusercontent.com/assets/7119464/3634851/f11c97b4-0f4c-11e4-9ffc-b86a6ad937b1.png)

And a picture of the satchel sprite:
![satchel](https://cloud.githubusercontent.com/assets/7119464/3634852/f9ca1f3a-0f4c-11e4-99b0-b58ae69f291b.png)