Fix incomplete .styleguide (#2113)

Also clean up other .styleguides.

Fixes #2111.

wpilibcExamples/src/main/cpp/examples/HAL/c/Robot.c

@@ -1,5 +1,5 @@
 /*----------------------------------------------------------------------------*/
-/* Copyright (c) 2018 FIRST. All Rights Reserved.                             */
+/* Copyright (c) 2018-2019 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.                                                               */
@@ -18,7 +18,7 @@ that want even more control over what code runs on their robot.
 
 #include <stdio.h>
 
-#include "hal/HAL.h"
+#include <hal/HAL.h>
 
 enum DriverStationMode {
   DisabledMode,

wpilibcExamples/src/main/cpp/templates/robotbaseskeleton/cpp/Robot.cpp

@@ -7,11 +7,10 @@
 
 #include "Robot.h"
 
-#include <hal/DriverStation.h>
-
 #include <frc/DriverStation.h>
 #include <frc/livewindow/LiveWindow.h>
 #include <frc/shuffleboard/Shuffleboard.h>
+#include <hal/DriverStation.h>
 #include <networktables/NetworkTable.h>
 
 void Robot::RobotInit() {}