refactorings in DriverController

EMADL2TORCS/src/main/dp/subcomponents/SafetyNet.emam

-package dp.subcomponents;
-
-component SafetyNet {
-ports
-	in Q(0:255)^{3, 210, 280} data,
-	out Q(0:1) safetyLevel;
-
-	implementation Math {
-        safetyLevel=1.0;
-    }
-}

EMADL2TORCS/src/main/dp/subcomponents/SteeringBuffer.emadl

@@ -4,15 +4,15 @@ component SteeringBuffer {
     ports in Q inSteerCmd,
           in Z timerLeftIn,
           in Z timerRightIn,
-          in Z laneChangeIn,
+          in LaneChange laneChangeIn,
           out Z timerLeftOut,
           out Z timerRightOut,
-          out Z laneChangeOut,
+          out LaneChange laneChangeOut,
           out Q^{5} outputBuffer;
 
     implementation Math {
             static Q^{5} buffer = [0; 0; 0; 0; 0];
-            static Q laneChangeBuffer = 0;
+            static LaneChange laneChangeBuffer = NO_CHANGE;
             static Z timerLeftBuffer = 0;
             static Z timerRightBuffer = 0;