Adding basic Nancy project structure with aspnet hosting
Add modified backbone todo app as submodule
Add windowsy .gitignore to Nancy example
Add backbone todo app to Nancy project
Added TodoMVC module, that serves the index page.
Add implementation of server api

I.e. a simple Todo model class, an endpoint serving up the index.htm,
and the GET, POST, PUT and DELETE handlers for the backbone app.
The todos are simply stored in-memory.
Merge pull request #1 from horsdal/nancy

Nancy