navaid

(I forgot to make it display "slow fall " when you're in slow fall mode. That will be fixed next version.)

2014 April15: Added movement categorization and accurate calculated fall speed/distance 2014 April12: Now when there's no local map, it will use the continent map. 2014 Apri11: Added ability to turn off odometers. Increased efficiency by only calculating what is actually used each frame. 2014 April 9: First release version

I forgot to make it display "slow fall " when you're in slow fall mode. That will be fixed next version.