* Introducing RazorPage and RazorPageOfT that represent the Razor
execution aspect of view execution. Moving view execution hierarchy behavior
(Layout, partial views etc) into a separate RazorView type.
* Renaming IVirtualPathViewFactory to IRazorPageFactory,
IRazorViewActivator to IRazorPageActivator
* Renaming VirtualPathViewFactor to FileBasedPageFactory to
correctly reflect what it does.
Fixes#814
Added very simple Autofac functional test that validates that we can add custom classes to the DI system as well as just use the ones provided to us.
#669
Created a test project to hold functional tests, a basic
application for test purposes under test\WebSites and added
the first functional test to validate view rendering.