Added Lua extern library

Former-commit-id: 597a37211727803de7c8816a23154d71b8446cea

include/Nazara/Lua/Lua.hpp

@@ -0,0 +1,29 @@
+// Copyright (C) 2013 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Lua scripting module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_LUA_HPP
+#define NAZARA_LUA_HPP
+
+#include <Nazara/Prerequesites.hpp>
+#include <Nazara/Core/Initializer.hpp>
+
+class NAZARA_API NzLua
+{
+	public:
+		NzLua() = delete;
+		~NzLua() = delete;
+
+		static bool Initialize();
+
+		static bool IsInitialized();
+
+		static void Uninitialize();
+
+	private:
+		static unsigned int s_moduleReferenceCounter;
+};
+
+#endif // NAZARA_LUA_HPP