Visual tweaks + Fixes for #48 and #49

Visual tweaks + Fixes for #48 and #49
![screen shot 2014-06-07 at 2 53 06 pm](https://cloud.githubusercontent.com/assets/1495261/3209826/227bf8ca-ee8e-11e3-8160-6af218ecf58b.png)

Hey @larz0, we recently added this for https://github.com/jbalsas/apify/issues/23, and now we lose the option to scroll the file list and the content separately. We should get it back, unless you have a better idea :)