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.

wpilibc/src/main/native/include/TimedRobot.h

@@ -1,64 +0,0 @@
-/*----------------------------------------------------------------------------*/
-/* 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 <HAL/Notifier.h>
-
-#include "ErrorBase.h"
-#include "IterativeRobotBase.h"
-
-namespace frc {
-
-/**
- * TimedRobot implements the IterativeRobotBase robot program framework.
- *
- * The TimedRobot class is intended to be subclassed by a user creating a
- * robot program.
- *
- * Periodic() functions from the base class are called on an interval by a
- * Notifier instance.
- */
-class TimedRobot : public IterativeRobotBase, public ErrorBase {
- public:
-  static constexpr double kDefaultPeriod = 0.02;
-
-  /**
-   * Provide an alternate "main loop" via StartCompetition().
-   */
-  void StartCompetition() override;
-
-  /**
-   * Get the time period between calls to Periodic() functions.
-   */
-  double GetPeriod() const;
-
-  /**
-   * Constructor for TimedRobot.
-   *
-   * @param period Period in seconds.
-   */
-  explicit TimedRobot(double period = kDefaultPeriod);
-
-  ~TimedRobot() override;
-
- private:
-  HAL_NotifierHandle m_notifier{0};
-
-  // The absolute expiration time
-  double m_expirationTime = 0;
-
-  // The relative time
-  double m_period;
-
-  /**
-   * Update the HAL alarm time.
-   */
-  void UpdateAlarm();
-};
-
-}  // namespace frc