Gallery view style

Fixes #434 

![screen shot 2014-07-11 at 7 44 27 am](https://cloud.githubusercontent.com/assets/1656824/3554198/f17eaf1e-090a-11e4-9adf-2c5cc8afaa27.png)
![screen shot 2014-07-11 at 7 44 38 am](https://cloud.githubusercontent.com/assets/1656824/3554199/f2ccb500-090a-11e4-825f-46ac253ed182.png)
![screen shot 2014-07-11 at 7 51 57 am](https://cloud.githubusercontent.com/assets/1656824/3554201/f4965a12-090a-11e4-9528-299a48b6a54f.png)