Add cpp examples (#659)

* Added C++ robot project examples and set up sub .clang-format for them

* Ran formatter

wpilibcExamples/src/main/cpp/examples/GearsBot/src/Subsystems/Claw.h

@@ -0,0 +1,51 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2017 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 <Commands/Subsystem.h>
+#include <DigitalInput.h>
+#include <Victor.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::Victor motor{7};
+	frc::DigitalInput contact{5};
+};