Improvements on homepage

- [x] Hide "Projects Near" section for now
- [x] Add Start Project large button back
- [x] Add extra row of Recommended projects to homepage

![screen shot 2014-03-06 at 1 12 32 pm](https://f.cloud.github.com/assets/6665826/2350730/1a8279f4-a574-11e3-92c6-11a7b141d204.png)