fronts header image

### From
![screen shot 2014-10-01 at 18 53 25](https://cloud.githubusercontent.com/assets/1492162/4480054/eb7f3e2a-4993-11e4-914d-70f1c04c75bb.png)

### To
![screen shot 2014-10-01 at 18 47 17](https://cloud.githubusercontent.com/assets/1492162/4480059/f3a99da2-4993-11e4-9d5e-76dc9d4c1027.png)
![screen shot 2014-10-01 at 18 47 46](https://cloud.githubusercontent.com/assets/1492162/4480061/f6c0c740-4993-11e4-878f-41ad06b182db.png)
![screen shot 2014-10-01 at 18 55 29](https://cloud.githubusercontent.com/assets/1492162/4480097/43245796-4994-11e4-9b65-a962cd3a1cdd.png)
![screen shot 2014-10-01 at 18 49 03](https://cloud.githubusercontent.com/assets/1492162/4480063/facde796-4993-11e4-8103-eeccae4c60fa.png)
![screen shot 2014-10-01 at 18 48 00](https://cloud.githubusercontent.com/assets/1492162/4480064/fe9c00ba-4993-11e4-8870-ce387a02f11a.png)
You shouldn't do this (put two classes in the `String`). If you want to use the same boolean property twice, declare it using `defining`. `RenderClasses` does a couple of things based on expecting a list of class names, including de-duplication and sorting.