Add support for rendering images into a native surface object
Add some Menu docs
Add support for multi-size icons

And added support for that in the GTK backend.
[GTK] Properly scale stock icons
[GTK] Added support for creating an image from a stockId
Add Width and Height properties to Image
[GTK] Fix stock icon rendering issues
[Xwt] Correctly handle a returned value of DBNull.Value

If we get this value we should treat it as null and return the
defaultValue.

Prevents a typecastexception when trying to cast DBNull.Value to
'T'.
[WPF] Fix infinite loop in clipboard class
[WPF] Add scrollbar and slider backends
[WPF] Widget placement fixes
[WPF] Track api changes
[Wpf] Fix DrawingContext.CurrentTransform

The Value returned by a TransformGroup Appends each successive Transform,
even though they are Prepended when rendering.  This change evaluates the
CTM by Prepending each transform in the collection, as is required. This
restores the correct mirror-image figure in Samples.Drawing.Transformation
Merge pull request #223 from hwthomas/master

[Wpf] Fix GetCTM by correctly evaluating DrawingContext CurrentTransform