Made Setup-UI compatible with the iPhone 5 (Retina 4-inch) and added icons ready for the app store.

-Added splash screens that Apple use to detect whether the app is compatible with the iPhone 5 (Retina 4-inch)
-Added iPhone and iPad icons so that the App will be ready for the App Store.
-Icons and splash screens are located in ios-robovm/data (This keeps it separate from the other projects, for instance if the user doesn't want to include the ios-robovm project.

Signed-off-by: jameslfc19 <jameslfc19@gmail.com>