Minor update to prevent potential app crashes

Minor user interface improvements and non-user visible code cleanup.

No functional changes

1.Optimize UI layout and color scheme.
2.Optimize the calculation process to make it easier to use.

Updated PFT per ALCOAST 372/25.

Minor user interface changes.

Added abdominal circumference (AC) option, corrected male push-up scoring, and added iPad support.

Updated for iOS 15

Updated to support iOS dark mode.

Updated for latest iOS.

Updated per COMDTINST M1020.8H.

Updated Boat crew standards to now be based on COMDTINST M16114.32C.

Updated link for rating app.

Minor update for iOS 8.0.

Updated background images.

Added email support.  Minor user interface updates.

Updated support email address.

Minor user interface updates to support iOS 7.1,

Minor update to user interface (highlight section headers).

Added background image.
Added ability to rate app at startup.
Added app info screen.
Added crash reporting.
Updated app icon and name.