Mouse: the WindowHandle is set by the RenderSystem now after creating the render window
Mouse: the cursor position is now obtained using win32 to get nice relative client window coordinates
Mouse: SetPosition handled using win32 now
extended the IRenderSystemCreator interface to obtain available GraphicsAdapters of a render system
enumeration of GraphicsAdapters implemented for DirectX 10 RenderSystem
enumeration of DisplayModes implemented for DirectX 10 RenderSystem
improved GraphicsDeviceManager