FlightGear - Flight Simulator FGAddon

Q400: add long descriptions.

rallye-MS893: add long description.

MiG-15: add long description.

Lockheed1049h: add long descriptions.

MD-11: do not pollute the property trees of remote aircraft ofver multiplayer.

find Models/ -name '*.xml' -exec sed -r -i 's,<property>/,<property>,g' {} \;

Nasal/fuel_system.nas: replace a settimer loop with maketimer().

MD-11F: variant of MD-11.

F-15: VSD optimisations

- Props.UpdateManager used to update the display;
- use Emesary Exec loop

also
- Update text at slowest rate
- Targets update every 4th frame

F-14: Fix external dependency error

F-14: Bugfixes

Related to settimer induced reposition slowdown

- restructure Nasal loops to use Emesary rtExec; reduce frequency of Nasal execution
- change settimer loops to be maketimer() loops

Other:
- fix gear always down on reposition
- change adverse.nas into JSBSim system
- fix spoilers still working for roll control when using manual sweep
- fix manual sweep and CADC sweep

F-16: added fallback model support