match templates with robot builder.

Change-Id: Iedb8b9efc58ca73bc654b119d5d1aed5b4eb5553

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

@@ -38,7 +38,7 @@ public class Robot extends IterativeRobot {
 
     public void autonomousInit() {
         // schedule the autonomous command (example)
-        autonomousCommand.start();
+        if (autonomousCommand != null) autonomousCommand.start();
     }
 
     /**
@@ -53,7 +53,7 @@ public class Robot extends IterativeRobot {
         // teleop starts running. If you want the autonomous to 
         // continue until interrupted by another command, remove
         // this line or comment it out.
-        autonomousCommand.cancel();
+        if (autonomousCommand != null) autonomousCommand.cancel();
     }
 
     /**