FlightGear - Flight Simulator FGAddon

747-400: correct 'change in lift due to load factor' and add flaps down data

747-400:
- add more lift data to FDM
- remove duplicate function from FDM
- fix fuel loading (do not ingore stab tank)

Cessna Citation II (550) | Citation II/SP (551) | Citation Super II (550-SUPER) [4.2.2]

* altimeters are now independent instruments
* altimeter warn light is now working
* fixed magnetic flux sensor
* fixed fixed auto throttle filter (thx it0uchpods / alias Josh)
* some little clean up

Citation: Fix overwrite of /velocities/airspeed-kt causing large issues

F-86: bug fix: animate flaps over multiplayer using own properties instead of those of the viewer.

Cessna Citation II (550) | Citation II/SP (551) | Citation Super II (550-SUPER) [4.2.1]

* fixed checklists for engine start (fuel boost pumps)
* fixed checklists for takeoff (autopilot on/off mismatch)
* fixed tutorial for startup (fuel boost pumps and fan/turbine mismatch)
* fixed tutorial for takeoff (autopilot on/off mismatch and fan/turbine mismatch)
* autopilot servos are now tied to the circuit-breaker
if the circuit-breaker (AC-AP) is pulled, the autopilot can't control the aircraft
* started to separate the autopilot in to 'flight director', 'autopilot' and 'servos'
* DME1 and DME2 are independent instruments and tied to the corresponding circuit-breaker
* ASI1 and ASI2 are independent instruments
hint: autopilot in speed-with-throttle take the speed-marker from ASI1

Citation II 4.2: checklists and tutorials: the fuel pumps must be ON to start engines.

Also, factorize fallback-model-index into Citation-II-common.xml.

Version 13.7 Fix bug: catch nil capable of crashing nasal subroutine.
Replace clock with digital model to improve readability.
Remove debugging change from submodels.

777: Disable 3D HUD to match the cockpit.

J3Cub: Minor formatting, move bushkit saved data to mooring code