Smallsearch

Smaller search box in the nav bar; as shown in screenshot below. Note that changing from input-prepend to plain input class for the search box removes some of the bottom padding that came with the input-prepend class. 
![screen shot 2014-06-18 at 7 58 52 pm](https://cloud.githubusercontent.com/assets/984213/3323274/b03c428c-f75d-11e3-95f6-5e1f14b0981d.png)