Added Camera.iOS unified api upgrade

Just added the source for now. I had to delete the Xamarin.Mobile
component and download a new one that was unified compliant. Holding
off on adding that to the fork.
Committing Bluetooth LE

Project won’t build due to issue with Progress HUD:

UI/Screens/Scanner/Home/ScannerHome.cs(17,3): error CS0012: The type
`MonoTouch.UIKit.UIView' is defined in an assembly that is not
referenced. Consider adding a reference to assembly `monotouch,
Version=0.0.0.0, Culture=neutral, PublicKeyToken=84e04ff9cfb79065'