Fix facia images

- Implicitly hide item image by default
- Explicitly show it via item modifiers for certain item types
- Remove cutout image from DOM and rely on progressive enhancement.

/cc @sndrs 

### Before
![google chrome](https://cloud.githubusercontent.com/assets/80089/4591884/6c722034-5073-11e4-84a6-ec6a6be2426e.png)

### After 
![google chrome](https://cloud.githubusercontent.com/assets/80089/4591885/71ab7dca-5073-11e4-857f-ce6b385da704.png)