Some objects created by GraphicsDevice were not being disposed correctly:
 - GraphicsAdapter -> added call to GraphicsAdapter.Dispose() in GraphicsDevice.Dispose()
 - GraphicsOutput -> wrapped in ToDipose(output..)
- object output1 in GraphicsOutput's initialization code was not being disposed in DirectX11.1
Removed GraphicsAdapter.Dispose()
[Toolkit.Game] Added support for low priority rendering to normalize input latency for WPF platform
Update BoundingFrustum.cs

Added missing ref
Merge branch 'patch-1' of https://github.com/MarccusFreeAb/SharpDX into master_integration
Added MathUtil.Lerp
New formula for MathUtil.Lerp
Merge branch 'master' of https://github.com/RecursiveCall/SharpDX into pr107
removed commented code and improved comments formatting
Merge branch 'master' into master_integration
[MediaFoundation] Fix issue with MediaEngine.Source that was passing an invalid filename to the native layer