FlightGear - Flight Simulator FGAddon

Aero: Reduced wave drag at high altitudes, to have a more realistic fuel consumption for reaching mach 2.
Sim: Added an updated test in the performance document.
Sim: Reduced the elevator output from A/P 25%.
Sim: Adjusted how fast the autopilot is allowed to climb and descent depending on airspeed.
GUI: Added fuel quantity to systems monitor.
Aero: Fixed that Cma was included in Cmelevator and therefore was doubled.
Aero: Adjusted pitch limiter to reflect changes to Cmelevator.
Aero: Degraded elevator positive authority to prevent unrealistic down pitching.