Add cpp examples (#659)

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

* Ran formatter

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

@@ -0,0 +1,74 @@
+/*----------------------------------------------------------------------------*/
+/* 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.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#include <iostream>
+#include <memory>
+#include <string>
+
+#include <IterativeRobot.h>
+#include <LiveWindow/LiveWindow.h>
+#include <SmartDashboard/SendableChooser.h>
+#include <SmartDashboard/SmartDashboard.h>
+
+class Robot : public frc::IterativeRobot {
+public:
+	void RobotInit() {
+		chooser.AddDefault(autoNameDefault, autoNameDefault);
+		chooser.AddObject(autoNameCustom, autoNameCustom);
+		frc::SmartDashboard::PutData("Auto Modes", &chooser);
+	}
+
+	/*
+	 * This autonomous (along with the chooser code above) shows how to
+	 * select
+	 * between different autonomous modes using the dashboard. The sendable
+	 * chooser code works with the Java SmartDashboard. If you prefer the
+	 * LabVIEW Dashboard, remove all of the chooser code and uncomment the
+	 * GetString line to get the auto name from the text box below the Gyro.
+	 *
+	 * You can add additional auto modes by adding additional comparisons to
+	 * the
+	 * if-else structure below with additional strings. If using the
+	 * SendableChooser make sure to add them to the chooser code above as
+	 * well.
+	 */
+	void AutonomousInit() override {
+		autoSelected = chooser.GetSelected();
+		// std::string autoSelected = SmartDashboard::GetString("Auto
+		// Selector", autoNameDefault);
+		std::cout << "Auto selected: " << autoSelected << std::endl;
+
+		if (autoSelected == autoNameCustom) {
+			// Custom Auto goes here
+		} else {
+			// Default Auto goes here
+		}
+	}
+
+	void AutonomousPeriodic() {
+		if (autoSelected == autoNameCustom) {
+			// Custom Auto goes here
+		} else {
+			// Default Auto goes here
+		}
+	}
+
+	void TeleopInit() {}
+
+	void TeleopPeriodic() {}
+
+	void TestPeriodic() { lw->Run(); }
+
+private:
+	frc::LiveWindow* lw = LiveWindow::GetInstance();
+	frc::SendableChooser<std::string> chooser;
+	const std::string autoNameDefault = "Default";
+	const std::string autoNameCustom = "My Auto";
+	std::string autoSelected;
+};
+
+START_ROBOT_CLASS(Robot)