Exclude virtual/template vehicles from vehicle ageing and news messages.

src/vehicle.cpp

@@ -1697,6 +1697,9 @@ bool Vehicle::HandleBreakdown()
  */
 void AgeVehicle(Vehicle *v)
 {
+	/* Stop if a virtual vehicle */
+	if (HasBit(v->subtype, GVSF_VIRTUAL)) return;
+
 	if (v->age < MAX_DAY) {
 		v->age++;
 		if (v->IsPrimaryVehicle() && v->age == VEHICLE_PROFIT_MIN_AGE + 1) GroupStatistics::VehicleReachedProfitAge(v);