[artf3717] Added isEnabled to Teleop Loops in Samples.

Anywhere in the sample programs where there was just a
isOperatorControl() in the while loop for Teleop, added an "&&
isEnabled()".

Change-Id: Ib81e8bab79923e262c314a073a591855cbf06846

eclipse-plugins/edu.wpi.first.wpilib.plugins.java/resources/templates/sample/Robot.java

@@ -48,7 +48,7 @@ public class Robot extends SampleRobot {
      */
     public void operatorControl() {
         myRobot.setSafetyEnabled(true);
-        while (isOperatorControl()) {
+        while (isOperatorControl() && isEnabled()) {
             myRobot.arcadeDrive(stick); // drive with arcade style (use right stick)
             Timer.delay(0.005);		// wait for a motor update time
         }