Experiment with a parallax scrolling effect.
Don't register for push notifications if we're in the Simulator.

This gets rid of a pesky warning that would appear every time you
built and ran Mobile Wired in the Simulator.
Remove PrettyKit.

The custom UI we used PrettyKit for doesn't fit into iOS 7. We're just
going to start from scratch instead of trying to modify it.
Fix a major regression that broke connecting to servers.