ASP.NET MVC XsltViewEngine, patch submitted to the contrib project

I just submitted a patch to the mvc contrib project that contains the xslt view engine I wrote for Xero without any of the dependencies from our own libraries or commercial components. The bulk of the work is done in a class called XmlResponseBuilder which builds the xml document that is going to be transformed by the xsl stylesheet. Almost all the rest of the code is there just to build up this document. The implementation of IView and IViewFactory were the easy bits :) To use the View engine you need to take the following steps: