Facia star rating

The change includes 
- query update to pull star rating from pressed json
- a new template fragment for displaying stars. can be reused in the future.
- display rating on facia articles between image and title
![star rating](https://cloud.githubusercontent.com/assets/1492162/2851658/1ac9df34-d11f-11e3-9e97-ecb96c5fd2dd.png)