Make GeneratorContext public; fix spelling of PropagateLoadEvents.
D2d: Fix printing by using gdi for the print document.  The Generator of the PrintDocument/PrintPageEventArgs class should be used for all graphics operations
Wpf: Fix selecting print options when printing a document directly.  PrintSetting instance should be used directly, not cleared/recreated after the dialog closes
D2d: Recreate render target when needed e.g. when graphics state changes, etc.
Direct2D GraphicsHandler: dispose the underlying control by default.
Draw loop test: add a measure of the frames per second based on the last frame.
D2D: Fix a bug in MatrixHandler.Invert()
Merge remote-tracking branch 'picoe/develop' into dev3
Direct2D: MeasureText should include the width of trailing spaces for consistency with other platforms.