fixing black primary_links and walkways

![screenshot_2014-10-02-15-34-10](https://cloud.githubusercontent.com/assets/759/4497001/5230a3ac-4a6b-11e4-87b3-87e431772ad6.png)
![screenshot_2014-10-02-15-33-26](https://cloud.githubusercontent.com/assets/759/4497003/553a8fd6-4a6b-11e4-8907-deacf9dac931.png)