fix broken "ProjectedDistance" if optional cross track error output parameter is not provided.
  - this fix task speed & task coverage calculation
Optional FIXSNAIL for DrawTrail.  The trail is still changing colors too much.
Paragliding thermal exit timing changed from 9 to 15 seconds of straight flight, as a parameter.
Fix "AAT Mintime" parameter not visible in Glider Mode if "Optimized Route" is "ON"
Add missing LockTaskData in DetectFreeFlying
Prevent buffer overflow in DetectFreeFlying if language string is too long.