FlightGear - Flight Simulator FGAddon

Saab 37 Viggen version 4.107:
Aero: Added wake turbulence support from AI planes. (FG 2017.3.1+)
Sim: Another guard for bad math operation in pitch method.
Radar: SR-71 will now be more observable.

Changes on v.2.2:
* State Machine, all logic into <condition>'s properties.
* phraseology.nas replaced by phraseology.xml which include %tokens.

Saab 37 Viggen version 4.106:
TI: Green threat circles is now selectable in menu as friendly fire zones instead of being tied to hostile fire-zones menu-item.
TI: Fixed regression that fixing a GPS location would fail.
Sim: Fixed that pitch calculation between 2 point could fail in some cases where pitch would be exact +/- 90 degs.
TI: Fixed that display would be extremely dark in Rembrandt.
MI: Fixed that display would be extremely dark in Rembrandt.
TI: Prettyfied code for TRAP logs.

* Changes:
* GPL sentences added.
* spell() accepts alphanumeric chars.
* phraseology: 'name' gets station-name (if explicit).

J3Cub: Use appropriate engine thrust_coefficient.

Lockheed1049h version 3.0.2: bug fix in the engineer Nasal code.
* Nasal/L1049h-dual-control.nas (copilot_connect_pilot): create some pilot
property nodes that no longer exist in 2017.2 by default, viz.
controls/engines/engine[*]/propeller-pitch.

Remove unused alpha layers

Used induced qbuar for propwash effects

J3Cub: Elevator control strength increased.

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