Might fix #348

http://stackoverflow.com/questions/18900428/ios-7-uitableview-shows-under-status-bar

This fixes it for me in the demo project, but we might want to do some more testing before pushing an official ProMotion fix.

Thoughts, @jamonholmgren?

![screenshot 2013-12-20 10 37 50](https://f.cloud.github.com/assets/139261/1791408/b766ef44-698c-11e3-8a85-513a32117233.png)