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/MotorSafetyHelper.h

@@ -1,125 +0,0 @@
-/*----------------------------------------------------------------------------*/
-/* Copyright (c) 2008-2018 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 <set>
-
-#include <wpi/mutex.h>
-
-#include "ErrorBase.h"
-
-namespace frc {
-
-class MotorSafety;
-
-class MotorSafetyHelper : public ErrorBase {
- public:
-  /**
-   * The constructor for a MotorSafetyHelper object.
-   *
-   * The helper object is constructed for every object that wants to implement
-   * the Motor Safety protocol. The helper object has the code to actually do
-   * the timing and call the motors Stop() method when the timeout expires. The
-   * motor object is expected to call the Feed() method whenever the motors
-   * value is updated.
-   *
-   * @param safeObject a pointer to the motor object implementing MotorSafety.
-   *                   This is used to call the Stop() method on the motor.
-   */
-  explicit MotorSafetyHelper(MotorSafety* safeObject);
-
-  ~MotorSafetyHelper();
-
-  /**
-   * Feed the motor safety object.
-   *
-   * Resets the timer on this object that is used to do the timeouts.
-   */
-  void Feed();
-
-  /**
-   * Set the expiration time for the corresponding motor safety object.
-   *
-   * @param expirationTime The timeout value in seconds.
-   */
-  void SetExpiration(double expirationTime);
-
-  /**
-   * Retrieve the timeout value for the corresponding motor safety object.
-   *
-   * @return the timeout value in seconds.
-   */
-  double GetExpiration() const;
-
-  /**
-   * Determine if the motor is still operating or has timed out.
-   *
-   * @return a true value if the motor is still operating normally and hasn't
-   * timed out.
-   */
-  bool IsAlive() const;
-
-  /**
-   * Check if this motor has exceeded its timeout.
-   *
-   * This method is called periodically to determine if this motor has exceeded
-   * its timeout value. If it has, the stop method is called, and the motor is
-   * shut down until its value is updated again.
-   */
-  void Check();
-
-  /**
-   * Enable/disable motor safety for this device
-   *
-   * Turn on and off the motor safety option for this PWM object.
-   *
-   * @param enabled True if motor safety is enforced for this object
-   */
-  void SetSafetyEnabled(bool enabled);
-
-  /**
-   * Return the state of the motor safety enabled flag
-   *
-   * Return if the motor safety is currently enabled for this devicce.
-   *
-   * @return True if motor safety is enforced for this device
-   */
-  bool IsSafetyEnabled() const;
-
-  /**
-   * Check the motors to see if any have timed out.
-   *
-   * This static method is called periodically to poll all the motors and stop
-   * any that have timed out.
-   */
-  static void CheckMotors();
-
- private:
-  // The expiration time for this object
-  double m_expiration;
-
-  // True if motor safety is enabled for this motor
-  bool m_enabled;
-
-  // The FPGA clock value when this motor has expired
-  double m_stopTime;
-
-  // Protect accesses to the state for this object
-  mutable wpi::mutex m_thisMutex;
-
-  // The object that is using the helper
-  MotorSafety* m_safeObject;
-
-  // List of all existing MotorSafetyHelper objects.
-  static std::set<MotorSafetyHelper*> m_helperList;
-
-  // Protect accesses to the list of helpers
-  static wpi::mutex m_listMutex;
-};
-
-}  // namespace frc