Add cpp examples (#659)

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

* Ran formatter

wpilibcExamples/src/main/cpp/templates/commandbased/Subsystems/ExampleSubsystem.h

@@ -0,0 +1,20 @@
+/*----------------------------------------------------------------------------*/
+/* 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>
+
+class ExampleSubsystem : public frc::Subsystem {
+public:
+	ExampleSubsystem();
+	void InitDefaultCommand() override;
+
+private:
+	// It's desirable that everything possible under private except
+	// for methods that implement subsystem capabilities
+};