Install express 4
Replace app.configure with if statement
Remove call to app.configure
Update connect-mongo to 0.4.x
Install missing middleware
Use seperate var assignments

Also require in all the new middleware
Use external middleware
Remove `app.use(app.router)`
Add Questions model
Add Questions router
Monkeypatch res.render in middleware
Use res.render over render helper
Add TODO comment
Using lodash, not underscore
Add TODO comment
Add basic scaffold for '/:token'
Add put method for question resource

So far this only handles answering a question, but it will handle
all modifications of the question object, including the adding of
'answerers' and current 'answerer'
Reformat object in chained method
Remove nested Model access
Move Orgs model to model dir