Add overload on effect pass to allow flag parameter.
Add Function array property getter on LibraryReflection

Add FunctionReflection Partial class
Add contant buffer, parameter as property getter on function reflection
Add return parameter property on function reflection.
Merge branch 'dx11-effect-lib' of https://github.com/mrvux/SharpDX into pr412
[Direct3D11] Fixed ImageLoadInformation.Default (issue #411).