New people search

This is a simple new prototype for the /people/ page. 

I haven't found a way to combine multiple queries. ie: find mentors in `python` who understand `django`. Any advice on that would be helpful. 

![search_prototype_v1](https://f.cloud.github.com/assets/954858/1895570/574c8466-7b3e-11e3-9454-f93a1c69d7cf.png)