Added overlay purchase view that appers/disappears on purchase.
Overlay receives taps. Need to add store transition
Tapping the bar loading purchase overlay now goes to the store.
Removed unnecessary middleviewcontroller superclass in favor of category.
Fixed most warnings in project
Store now loads real prices. Need to request this information on launch so there's no delay on the store.
In app purchase products now start loading on launch.
Added test for SKProductStore, and added async test helpers.
Format.
Toggle plates based on plate purchase.
Revert "Fixed most warnings in project"

This reverts commit 93aa4d82d21dd9b71c808704e57662d54e0f9cee.
Fixed clean script to empty ios 7 directory.
Faked purchases in the simulator.