RADScript Mission Script Files (.mfk, .con)

RADScript appears to be the internal name used for mission script files (.mfk) but also to describe vehicles (.con)

apu_v.con:
```
// Apu's Longhorn

SetMass(1500.0);

SetGasScale(7.5); 
SetSlipGasScale(8.5);
...
```

m0i.mfk:
```
SelectMission("m0");

SetMissionResetPlayerInCar("level1_carstart");
SetDynaLoadData("l1z1.p3d;l1r1.p3d;l1r7.p3d;");
...
```