protected override void ConfigureApplicationContainer(TinyIoCContainer container)
{
    base.ConfigureApplicationContainer(container);
    ResourceViewLocationProvider.RootNamespaces.Add(GetType().Assembly, "ConsoleApplication1.Views"); // (1)
    ResourceViewLocationProvider.RootNamespaces.Add(typeof(Class1).Assembly, "ClassLibrary1.Views");
}

protected override NancyInternalConfiguration InternalConfiguration
{
    get { return NancyInternalConfiguration.WithOverrides(OnConfigurationBuilder); }
}

private void OnConfigurationBuilder(NancyInternalConfiguration x)
{
    x.ViewLocationProvider = typeof(ResourceViewLocationProvider);
}

Unable to resolve type: Nancy.ViewEngines.ViewEngineApplicationStartup
Only one view was found in assembly ConsoleApplication1, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null, but no rootnamespace had been registered.