merged from frcsim branch

verified to work on real robots
adds sim eclipse plugins, fixed JavaGazebo, made wpilibC++Sim build on windows
 - Java and C++ simulation robot programs run on windows
 - simulation eclipse plugin delivers models and gazebo plugins
 - Java Gazebo now respects GAZEBO_IP variables and can work across networks
 - hal and network tables win32 hacked to work on windows
 - smart dashboard broken on windows due to network tables hacks
 - wpilibC++Sim, gz_msgs, and frcsim_gazebo_plugins build with CMake
 - removed constexpr for cross platform compatibility
 - msgs generated using .protos as a part of build process
 - some spare and unused cmake/pom files deleted
 - simulation ubuntu debians removed entirely
 - refactored CMake project flags and macros
 - updated to match non-sim C++ API
 - fixed and updated documentation
 - servo added to simulation

Change-Id: Ia702ff0f1fee10d77f543810ad88f56696443b05

networktables/cpp/include/tables/ITableListener.h

@@ -8,10 +8,9 @@
 #ifndef ITABLELISTENER_H_
 #define ITABLELISTENER_H_
 
-
 class ITableListener;
 
-
+#include "NTBase.h"
 #include "tables/ITable.h"
 
 #include <memory>
@@ -42,7 +41,11 @@ class ITableListener {
 
  private:
   template <class T>
-  struct[[deprecated]] NullDeleter {
+  struct
+#if !defined(_MSC_VER)
+  [[deprecated]]
+#endif
+  NullDeleter {
     void operator()(T*) const noexcept {};
   };
 };