Set USE_MSVC_RUNTIME_LIBRARY_DLL ON when building Bullet in order to be consistent with Tundra and to fix linker warnings (LINK : warning LNK4098: defaultlib 'LIBCMT' conflicts with use of other libs; use /NODEFAULTLIB:library)
Renderer.cpp: fix unreferenced variable warning.
Application::ShowConsoleWindow: return false if console window already exists.
ConsoleAPI: Add Windows-only "createConsole" and "removeConsole" console commands for creating and removing a native Windows console if Tundra was initially started without such (using Tundra instead of TundraConsole).
ConsoleAPI::ClearLog: Check that native console exists. If not and we call cls, we see a console flashing briefly on the screen which is undesirable.