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.

hal/src/main/native/include/simulation/RelaySim.h

@@ -0,0 +1,83 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 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
+
+#ifndef __FRC_ROBORIO__
+
+#include <memory>
+#include <utility>
+
+#include "CallbackStore.h"
+#include "mockdata/RelayData.h"
+
+namespace frc {
+namespace sim {
+class RelaySim {
+ public:
+  explicit RelaySim(int index) { m_index = index; }
+
+  std::unique_ptr<CallbackStore> RegisterInitializedForwardCallback(
+      NotifyCallback callback, bool initialNotify) {
+    auto store = std::make_unique<CallbackStore>(
+        m_index, -1, callback, &HALSIM_CancelRelayInitializedForwardCallback);
+    store->SetUid(HALSIM_RegisterRelayInitializedForwardCallback(
+        m_index, &CallbackStoreThunk, store.get(), initialNotify));
+    return store;
+  }
+  bool GetInitializedForward() {
+    return HALSIM_GetRelayInitializedForward(m_index);
+  }
+  void SetInitializedForward(bool initializedForward) {
+    HALSIM_SetRelayInitializedForward(m_index, initializedForward);
+  }
+
+  std::unique_ptr<CallbackStore> RegisterInitializedReverseCallback(
+      NotifyCallback callback, bool initialNotify) {
+    auto store = std::make_unique<CallbackStore>(
+        m_index, -1, callback, &HALSIM_CancelRelayInitializedReverseCallback);
+    store->SetUid(HALSIM_RegisterRelayInitializedReverseCallback(
+        m_index, &CallbackStoreThunk, store.get(), initialNotify));
+    return store;
+  }
+  bool GetInitializedReverse() {
+    return HALSIM_GetRelayInitializedReverse(m_index);
+  }
+  void SetInitializedReverse(bool initializedReverse) {
+    HALSIM_SetRelayInitializedReverse(m_index, initializedReverse);
+  }
+
+  std::unique_ptr<CallbackStore> RegisterForwardCallback(
+      NotifyCallback callback, bool initialNotify) {
+    auto store = std::make_unique<CallbackStore>(
+        m_index, -1, callback, &HALSIM_CancelRelayForwardCallback);
+    store->SetUid(HALSIM_RegisterRelayForwardCallback(
+        m_index, &CallbackStoreThunk, store.get(), initialNotify));
+    return store;
+  }
+  bool GetForward() { return HALSIM_GetRelayForward(m_index); }
+  void SetForward(bool forward) { HALSIM_SetRelayForward(m_index, forward); }
+
+  std::unique_ptr<CallbackStore> RegisterReverseCallback(
+      NotifyCallback callback, bool initialNotify) {
+    auto store = std::make_unique<CallbackStore>(
+        m_index, -1, callback, &HALSIM_CancelRelayReverseCallback);
+    store->SetUid(HALSIM_RegisterRelayReverseCallback(
+        m_index, &CallbackStoreThunk, store.get(), initialNotify));
+    return store;
+  }
+  bool GetReverse() { return HALSIM_GetRelayReverse(m_index); }
+  void SetReverse(bool reverse) { HALSIM_SetRelayReverse(m_index, reverse); }
+
+  void ResetData() { HALSIM_ResetRelayData(m_index); }
+
+ private:
+  int m_index;
+};
+}  // namespace sim
+}  // namespace frc
+#endif  // __FRC_ROBORIO__