TestingViewFactory to access ViewModel etc 

I read this great blog post (http://melinder.se/blog/2012/02/nancytesting-intercept-the-model-sent-to-a-view/) and thought that I could take a stab on implementing this ... or well fill it in rather.

I also noticed a really old issue https://github.com/NancyFx/Nancy/issues/495 that talks about this.  

Love the sharing of Resharper settings. Now at least I got my usings inside the namespace :neckbeard: