Security fix for Unity resources

This app has been updated by Apple to display the Apple Watch app icon.

- Can now be used in landscape mode (great for classroom projectors).
- Minor bug fixes and improvements.

- Visual improvements for precision

- New mode available: Holding Pattern calculator!
- Reworked the interface
- Added more helpful instructions on the ruler
- Many optimizations

- Added the ability to lock the ruler, to prevent rotating/sliding by mistake;
- Added markers for Fuel Lbs. and Oil Lbs.;
- Small improvements to the UI;
- Better performance and small fixes.