[Toolkit.Input] Breaking changes of KeyboardState.  Now contains one states for Down keys and two events Pressed/Released since last frame.
[Toolkit.Input] Change behavior of buttons handling for MouseManager using new ButtonState. Refactor code using ButtonState.
[Toolkit.Graphics] Remove assert on DDSHelper when creating an image
[Toolkit.Game] Fix issue #237. Remove redundant code
[DXGI] Fix issue #244. Remove partial typeless format from FormatHelper.IsTypeLess for formats:  R32_Float_X8X24_Typeless/X32_Typeless_G8X24_UInt and R24_UNorm_X8_Typeless/X24_Typeless_G8_UInt
[Toolkit.Input] Fix issue on WinRT for released moust buttons
[Toolkit.Samples] Fix compilation issue on WinRT for MouseInput
[Toolkit.Samples] Fix compilation issues on desktop
Update README.markdown
Adding proxy functionality in constant buffers (in effects framework) for sharing buffer from multiple effects
Adding Update method for constant buffers ( update a constant buffer without applying a pass )
Move to v4.5.1 framework (VS 2013)
build effects11 using 12.0 toolchain (vs2013)
[SharpDX] Add Equal(ref other) for vector/quaternion/matrix

Equal(ref other) is now also used in == and != operators
[SharpDX] Add Vector/Scalar component-wise addition and subtraction operators/functions
[SharpDX] Remove normalization from quaternion billboard functions and always normalize input in RotationLookAt
[SharpDX] Reuse stable Matrix3x3 functions to produce quaternions.

It gives better results and protects against negative Sqrt input and division with zero (NaN)
rename Modulate(..) functions to Multiply(..).

I don't like the word modulate because i confuse it with modulus and when i want to do multiplication i instinctively go for multiply(..) only to be disappointed :)
[SharpDX] Vector divide operators & function for x=float/vector