ProjectFubuRegistry.cs

public class ProjectFubuRegistry : FubuRegistry
{
    public ProjectFubuRegistry()
    {
        Applies.ToThisAssembly();

        Actions.FindWith<PartialActionsSource>();

        Views.TryToAttach(findViews =>
                                    {
                                        findViews.by_ViewModel_and_Namespace_and_MethodName();
                                        findViews.by_ViewModel_and_Namespace();
                                        findViews.by_ViewModel();
                                    }
    }
}

Site.master.cs

public class Site : FubuMasterPage
{
}