Fixed bug that caused NRE to be thrown for Dialog Buttons.Add(new Xwt.DialogButton (Command.Ok) { Sensitive = false });
Because the dialog was not yet set when Sensitive = false was ran.
Track api changes
Merge pull request #229 from mono-soc-2013/luiscubal-fix-dialog

Fixed NRE in Xwt for DialogButtons
Merge pull request #232 from hwthomas/master

[Drawing API] Add ModifyCTM to DrawingContext