Display PRs on user profile or grinchy message

fixes #164

![screen shot 2013-11-28 at 21 55 50](https://f.cloud.github.com/assets/159200/1642266/694e9592-5879-11e3-871c-89d9144f94fb.png)
![screen shot 2013-11-28 at 21 56 17](https://f.cloud.github.com/assets/159200/1642267/6b7c4080-5879-11e3-833f-93b97f22640d.png)
![screen shot 2013-11-28 at 21 56 27](https://f.cloud.github.com/assets/159200/1642268/6c8fc19a-5879-11e3-9725-dea209cf0572.png)

This is more switching between the two interfaces rather than showing PRs on profile