added dev profile and edit dev profile views and functionality

- Added developer profile that displays gravatar
- Added edit developer profile page 
![screenshot 2013-11-12 17 39 49](https://f.cloud.github.com/assets/4033644/1527371/cb8afeae-4bf3-11e3-8305-f91478c257de.png)
![screenshot 2013-11-12 17 39 58](https://f.cloud.github.com/assets/4033644/1527372/cb8b3108-4bf3-11e3-86d6-66406e16c11f.png)