Move CameraServer and WPILib headers into their own folder

The old headers were moved into folders because doing so avoids polluting
the system include directories.

Folder names were also normalized to lowercase.

wpilibcExamples/src/main/cpp/examples/GearsBot/include/subsystems/Claw.h

@@ -0,0 +1,51 @@
+/*----------------------------------------------------------------------------*/
+/* 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.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#pragma once
+
+#include <frc/DigitalInput.h>
+#include <frc/Spark.h>
+#include <frc/commands/Subsystem.h>
+
+/**
+ * The claw subsystem is a simple system with a motor for opening and closing.
+ * If using stronger motors, you should probably use a sensor so that the
+ * motors don't stall.
+ */
+class Claw : public frc::Subsystem {
+ public:
+  Claw();
+
+  void InitDefaultCommand() override;
+
+  /**
+   * Set the claw motor to move in the open direction.
+   */
+  void Open();
+
+  /**
+   * Set the claw motor to move in the close direction.
+   */
+  void Close();
+
+  /**
+   * Stops the claw motor from moving.
+   */
+  void Stop();
+
+  /**
+   * Return true when the robot is grabbing an object hard enough
+   * to trigger the limit switch.
+   */
+  bool IsGripping();
+
+  void Log();
+
+ private:
+  frc::Spark m_motor{7};
+  frc::DigitalInput m_contact{5};
+};