added a better configurarion string for the line following example

Author: dcuartielles

Diff for: libraries/Robot_Control/examples/explore/R02_Line_Follow/R02_Line_Follow.ino

@@ -41,7 +41,9 @@ void setup() {
   Robot.waitContinue();
 
   // These are some general values that work for line following 
-  Robot.lineFollowConfig(11, 5, 50, 10);
+  // uncomment one or the other to see the different behaviors of the robot
+  // Robot.lineFollowConfig(11, 5, 50, 10);
+  Robot.lineFollowConfig(14, 9, 50, 10);
 
   //set the motor board into line-follow mode
   Robot.setMode(MODE_LINE_FOLLOW);