Brighter scrubber. More obvious active selection on lists.

![screen shot 2014-06-18 at 14 24 52](https://cloud.githubusercontent.com/assets/760314/3314045/4fd5d316-f6ec-11e3-8ad5-636dcdee3074.png)
![screen shot 2014-06-18 at 14 24 35](https://cloud.githubusercontent.com/assets/760314/3314046/4fd7890e-f6ec-11e3-8991-05d15f98c52c.png)
![screen shot 2014-06-18 at 14 24 22](https://cloud.githubusercontent.com/assets/760314/3314047/4fdb5412-f6ec-11e3-9b0b-ece336668164.png)