Fixes #466

Overrode the ListView's original template to enable styling of the Disabled state.
Fixes #466

![mam2](https://f.cloud.github.com/assets/251501/552014/3771d818-c33c-11e2-9440-c1f00812020d.png)
![mam3](https://f.cloud.github.com/assets/251501/552017/57651a54-c33c-11e2-8aaa-a33f03344c9f.png)