Prepare wpiutil for merge into allwpilib.

wpiutil/src/dev/java/edu/wpi/first/wpiutil/DevMain.java

@@ -0,0 +1,15 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2017-2018 FIRST. All Rights Reserved.                        */
+/* Open Source Software - may be modified and shared by FRC teams. The code   */
+/* must be accompanied by the FIRST BSD license file in the root directory of */
+/* the project.                                                               */
+/*----------------------------------------------------------------------------*/
+
+package edu.wpi.first.wpiutil;
+
+public class DevMain {
+    public static void main(String[] args) {
+        System.out.println("Hello World!");
+        System.out.println(RuntimeDetector.getPlatformPath());
+    }
+}