FlightGear - Flight Simulator FGAddon

Standard Libelle H201B: maintenance
* Use shared instruments where applicable (ilec sc-7, flarm, ar-6201, wool thread)
* Use newer ground handling module
* Add nasal electrical system, disable XML electrical system
* Various small cleanups, fixes and improvements

Fiat G91: Procedural lights. Compositor compatibility.

Fiat G91: Procedural lights. Compositor compatibility.

Silent2Electro:
* use shared instruments from Aircraft/Instruments-3d for FLARM v3 display, vario S3, comm ar-6201 and wool-thread to minimize disk space and facilitate maintenance
* use newer ground handling system without nasal code
* use JSB lag filter and fcs_function table for canopy animation
* improve -set.xml property list structure

LS8: Use shared wool-thread from Aircraft/Instruments-3d to facilitate future maintenance and reduce file size

LS4: Use shared wool-thread from Aircraft/Instruments-3d to facilitate future maintenance and reduce file size

Ka6:
* improve FDM
* Use shared wool-thread from Aircraft/Instruments-3d to facilitate future maintenance and reduce file size

Bergfalke: Use shared wool-thread from Aircraft/Instruments-3d to facilitate future maintenance and reduce file size

ASK13: Use shared wool-thread from Aircraft/Instruments-3d to facilitate future maintenance and reduce file size

ASG29: Use shared wool-thread from Aircraft/Instruments-3d to facilitate future maintenance and reduce file size