FlightGear - Flight Simulator FGAddon

Used induced qbuar for propwash effects

J3Cub: Elevator control strength increased.

J3Cub: Particle spray and smoke should be non-emisive.

J3Cub: Rudder and elevator FDM tweak per aircraft model.

J3Cub: ITGA Update through July 16, 2017.

J3Cub: Refactor, optimize payload logic.

Provide a simple addon skeleton

Add spoken ATC addon

Adopt ATC chatter to new addon api (--addon=/foo/bar switch)

Saab 37 Viggen version 4.105:
Radar: Fixed that radar warning reciever would not check if the aircraft is behind terrain.
Sim: {Pinto} Fixed callsigns with more than 7 chars could not get damaged.
Sound: Fixed missing fire sound from rb71.
Radar: Fixed that GPS selection would return string as flare node.
Sim: Added chaff functionality.
Sim: Fixed regression that missiles would use targets roll for its pitch.
Radar: Fixed RCS calculation would use pitch for roll.
Sim: Fixed heat seeking missiles lock on rear aspect only was flawed, now uses vector math instead of trigonometry.
Sim: Fixed parse error in damage code.
TI: Increased threat circle for SAMs/Frigates.
GUI: Splash screens for 2017.2.1 added.
GUI: Added interior previews.
Sim: Small adjustment to missile APN.
Sim: Fixed that low framerate would make missiles be inaccurate.
Radar: Moved rcs loopup mechanism to rcs.nas
Sim: Fixed regression in heatseekers locking on to sun.