Add fluent builders for more flexibly adding data to Shuffleboard (#1022)

wpilibc/src/main/native/cpp/shuffleboard/Shuffleboard.cpp

@@ -0,0 +1,36 @@
+/*----------------------------------------------------------------------------*/
+/* 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.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#include "frc/shuffleboard/Shuffleboard.h"
+
+#include <networktables/NetworkTableInstance.h>
+
+#include "frc/shuffleboard/ShuffleboardTab.h"
+
+using namespace frc;
+
+void Shuffleboard::Update() { GetInstance().Update(); }
+
+ShuffleboardTab& Shuffleboard::GetTab(wpi::StringRef title) {
+  return GetInstance().GetTab(title);
+}
+
+void Shuffleboard::EnableActuatorWidgets() {
+  GetInstance().EnableActuatorWidgets();
+}
+
+void Shuffleboard::DisableActuatorWidgets() {
+  // Need to update to make sure the sendable builders are initialized
+  Update();
+  GetInstance().DisableActuatorWidgets();
+}
+
+detail::ShuffleboardInstance& Shuffleboard::GetInstance() {
+  static detail::ShuffleboardInstance inst(
+      nt::NetworkTableInstance::GetDefault());
+  return inst;
+}