[Toolit.Graphics]  Factorize code for fullscreen triangle in PrimitiveQuad
[Toolkit.Graphics] Add GeometricPrimitive.Plane uv factor for uv remapping
[Toolkit.Graphics] Add support for automatic ViewInverse in effect
[Toolkit.Graphics] Add support for rendering in WPF through a standard WinForm
[Toolkit.Graphics] Fix compilation issues on net20 platform
[Toolkit.Graphics] Fix compilation issues on net20 platform (bis)