Update css to properly truncate long names

Long names weren't properly truncating on small screens (Status Board). This CSS tweak fixes that.

Before:
![before](https://cloud.githubusercontent.com/assets/125/3574377/6c3a840c-0b7d-11e4-8f26-4eb83450cfd9.png)

After:
![after](https://cloud.githubusercontent.com/assets/125/3574295/9ce6d034-0b7c-11e4-91f9-2a91a76289cb.png)