Adds RobotController class (#828)

Unifies random functionality from other classes
Deprecates all old functions.

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

@@ -0,0 +1,47 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2017 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 <stdint.h>
+
+namespace frc {
+
+struct CANStatus {
+  float percentBusUtilization;
+  int busOffCount;
+  int txFullCount;
+  int receiveErrorCount;
+  int transmitErrorCount;
+};
+
+class RobotController {
+ public:
+  RobotController() = delete;
+  static int GetFPGAVersion();
+  static int64_t GetFPGARevision();
+  static uint64_t GetFPGATime();
+  static bool GetUserButton();
+  static bool IsSysActive();
+  static bool IsBrownedOut();
+  static double GetInputVoltage();
+  static double GetInputCurrent();
+  static double GetVoltage3V3();
+  static double GetCurrent3V3();
+  static bool GetEnabled3V3();
+  static int GetFaultCount3V3();
+  static double GetVoltage5V();
+  static double GetCurrent5V();
+  static bool GetEnabled5V();
+  static int GetFaultCount5V();
+  static double GetVoltage6V();
+  static double GetCurrent6V();
+  static bool GetEnabled6V();
+  static int GetFaultCount6V();
+  static CANStatus GetCANStatus();
+};
+}  // namespace frc