September 5, 2014

• GamePad class: gamepad controller helper using XInput on Windows, IGamepad for Xbox One
• SimpleMath updates; Matrix billboard methods; breaking change: Matrix::Identity() -> Matrix::Identity
• SpriteBatch new optional SetViewport method
• SpriteFont fix for white-space character rendering optimization
• DDSTextureLoader fix for auto-gen mipmaps for volume textures
• Explicit calling-convention annotation for public headers
• Updates for Xbox One platform support
• Minor code and project cleanup