Update to 2018_v4 image and new build system. (#598)

* Revert "Force OpenCV to 3.1.0 (#602)"

This reverts commit 50ed55e8e2.

* Removes Simulation

* Removes old build system

* Removes old gtest

* Adds new gmock and gtest

* Updates to new ni-libraries

* removes MyRobot (to be replaced)

* moves files to new location

* Adds new sim backend and new test executables

* updates .styleguide and .gitignore

* Changes cpp WPILibVersion to a function

MSVC throws an AV with the old version.

* Disables USBCamera on all systems except for linux

* 2018 NI Libraries

* New build system

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

@@ -0,0 +1,65 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) FIRST 2008-2017. 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 <thread>
+
+#include "Base.h"
+#include "HAL/HAL.h"
+#include "llvm/raw_ostream.h"
+
+namespace frc {
+
+class DriverStation;
+
+#define START_ROBOT_CLASS(_ClassName_)                                  \
+  int main() {                                                          \
+    if (!HAL_Initialize(500, 0)) {                                      \
+      llvm::errs() << "FATAL ERROR: HAL could not be initialized\n";    \
+      return -1;                                                        \
+    }                                                                   \
+    HAL_Report(HALUsageReporting::kResourceType_Language,               \
+               HALUsageReporting::kLanguage_CPlusPlus);                 \
+    llvm::outs() << "\n********** Robot program starting **********\n"; \
+    static _ClassName_ robot;                                           \
+    robot.StartCompetition();                                           \
+  }
+
+/**
+ * Implement a Robot Program framework.
+ * The RobotBase class is intended to be subclassed by a user creating a robot
+ * program. Overridden Autonomous() and OperatorControl() methods are called at
+ * the appropriate time as the match proceeds. In the current implementation,
+ * the Autonomous code will run to completion before the OperatorControl code
+ * could start. In the future the Autonomous code might be spawned as a task,
+ * then killed at the end of the Autonomous period.
+ */
+class RobotBase {
+ public:
+  bool IsEnabled() const;
+  bool IsDisabled() const;
+  bool IsAutonomous() const;
+  bool IsOperatorControl() const;
+  bool IsTest() const;
+  bool IsNewDataAvailable() const;
+  static std::thread::id GetThreadId();
+  virtual void StartCompetition() = 0;
+
+ protected:
+  RobotBase();
+  virtual ~RobotBase() = default;
+
+  RobotBase(const RobotBase&) = delete;
+  RobotBase& operator=(const RobotBase&) = delete;
+
+  DriverStation& m_ds;
+
+  static std::thread::id m_threadId;
+};
+
+}  // namespace frc