List projects with active matches on home

## Home

Currently is the last section of projects.

![screen shot 2014-05-28 at 6 16 10 pm](https://cloud.githubusercontent.com/assets/667753/3111097/574e2dc2-e6ad-11e3-949c-fa358a197a66.png)

## Searching

![screen shot 2014-05-28 at 6 17 51 pm](https://cloud.githubusercontent.com/assets/667753/3111127/8e77713c-e6ad-11e3-842a-78484c204b40.png)

Closes #226.