Added local storage and options page.

![screen shot 2014-10-04 at 5 29 40 pm](https://cloud.githubusercontent.com/assets/6004309/4517251/d6489a48-4c26-11e4-9ff0-a8412e027fff.png)
![screen shot 2014-10-04 at 5 29 57 pm](https://cloud.githubusercontent.com/assets/6004309/4517252/d7d34dc2-4c26-11e4-84ac-6e913a61cd43.png)