Added the ASSIMP library

Added the files provided for the tutorial
Added the SplitMeshNode and SubMeshNode classes

Graphics2/MeshNode.h

@@ -0,0 +1,22 @@
+#pragma once
+#include "SceneNode.h"
+#include "DirectXFramework.h"
+#include "MeshRenderer.h"
+
+class MeshNode : public SceneNode
+{
+public:
+	MeshNode(wstring name, wstring modelName) : SceneNode(name) { _modelName = modelName; }
+
+	bool Initialise();
+	void Render();
+	void Shutdown();
+
+private:
+	shared_ptr<MeshRenderer>		_renderer;
+
+	wstring							_modelName;
+	shared_ptr<ResourceManager>		_resourceManager;
+	shared_ptr<Mesh>				_mesh;
+};
+