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/Commands/ExampleCommand.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/Command.h>
+
+class ExampleCommand : public frc::Command {
+public:
+	ExampleCommand();
+	void Initialize() override;
+	void Execute() override;
+	bool IsFinished() override;
+	void End() override;
+	void Interrupted() override;
+};