adds in filecount for file viewer

Closes #86 

![screen shot 2014-10-17 at 10 12 18 am](https://cloud.githubusercontent.com/assets/1656824/4682791/cbdf882e-5620-11e4-95b9-28832001e725.png)
![screen shot 2014-10-17 at 10 12 27 am](https://cloud.githubusercontent.com/assets/1656824/4682792/cd97dc02-5620-11e4-8c08-42ada301a3b7.png)