Make output formatting consistent between bash/scala

core/src/main/scala/spark/deploy/worker/ExecutorRunner.scala

@@ -164,8 +164,7 @@ private[spark] class ExecutorRunner(
       env.put("SPARK_LAUNCH_WITH_SCALA", "0")
       process = builder.start()
 
-      val header = "Spark Executor Command: %s\n======================================\n\n"
-        .format(command.mkString(" "))
+      val header = "Spark Executor Command: %s\n%s\n\n".format(command.mkString(" "), "=" * 40)
 
       // Redirect its stdout and stderr to files
       val stdout = new File(executorDir, "stdout")

run

@@ -168,7 +168,7 @@ fi
 command="$RUNNER -cp \"$CLASSPATH\" $EXTRA_ARGS $@"
 if [ "$SPARK_PRINT_LAUNCH_COMMAND" == "1" ]; then
   echo "Spark Command: $command"
-  echo "======================================"
+  echo "========================================"
   echo
 fi