App Layout , Style  and S3 setup config for storing images

## S3 Images
This PR adds the required functionality to be able to upload images to S3.


![image](https://cloud.githubusercontent.com/assets/3291755/4051895/42c9642a-2d66-11e4-8278-9c59549c2e9b.png)


![image](https://cloud.githubusercontent.com/assets/3291755/4051927/8980aacc-2d66-11e4-9c9d-4533c0cece23.png)