Moved over to a config implementation for vehicle radios instead of an array.

Also added support for a variable tf_hasRadio to be set on the vehicle to signify support of radios.
Allowed mission makers to specify if a vehicle has a radio or not.
Merge pull request #361 from CorruptedHeart/VehicleRadios

Moved over to a config implementation for vehicle radios instead of array
Change merged to debug mission