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/frc/Solenoid.h

@@ -0,0 +1,94 @@
+/*----------------------------------------------------------------------------*/
+/* 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 <hal/Types.h>
+
+#include "frc/SolenoidBase.h"
+
+namespace frc {
+
+/**
+ * Solenoid class for running high voltage Digital Output (PCM).
+ *
+ * The Solenoid class is typically used for pneumatics solenoids, but could be
+ * used for any device within the current spec of the PCM.
+ */
+class Solenoid : public SolenoidBase {
+ public:
+  /**
+   * Constructor using the default PCM ID (0).
+   *
+   * @param channel The channel on the PCM to control (0..7).
+   */
+  explicit Solenoid(int channel);
+
+  /**
+   * Constructor.
+   *
+   * @param moduleNumber The CAN ID of the PCM the solenoid is attached to
+   * @param channel      The channel on the PCM to control (0..7).
+   */
+  Solenoid(int moduleNumber, int channel);
+
+  ~Solenoid() override;
+
+  /**
+   * Set the value of a solenoid.
+   *
+   * @param on Turn the solenoid output off or on.
+   */
+  virtual void Set(bool on);
+
+  /**
+   * Read the current value of the solenoid.
+   *
+   * @return The current value of the solenoid.
+   */
+  virtual bool Get() const;
+
+  /**
+   * Check if solenoid is blacklisted.
+   *
+   * If a solenoid is shorted, it is added to the blacklist and
+   * disabled until power cycle, or until faults are cleared.
+   *
+   * @see ClearAllPCMStickyFaults()
+   *
+   * @return If solenoid is disabled due to short.
+   */
+  bool IsBlackListed() const;
+
+  /**
+   * Set the pulse duration in the PCM. This is used in conjunction with
+   * the startPulse method to allow the PCM to control the timing of a pulse.
+   * The timing can be controlled in 0.01 second increments.
+   *
+   * @param durationSeconds The duration of the pulse, from 0.01 to 2.55
+   *                        seconds.
+   *
+   * @see startPulse()
+   */
+  void SetPulseDuration(double durationSeconds);
+
+  /**
+   * Trigger the PCM to generate a pulse of the duration set in
+   * setPulseDuration.
+   *
+   * @see setPulseDuration()
+   */
+  void StartPulse();
+
+  void InitSendable(SendableBuilder& builder) override;
+
+ private:
+  HAL_SolenoidHandle m_solenoidHandle = HAL_kInvalidHandle;
+  int m_channel;  // The channel on the module to control
+};
+
+}  // namespace frc