Move email templates into their own folder
Change file extension from txt to hbs
Update email template to allow for refusal/deferring

Added an extra two URL's to the emial template which allow the mentor to either
refuse the question and have it passed on, or to defer the question until a later
date
Use emailClient proxy instead fo sendgrid
Create emailClient proxy
Pass output directory into StubEmail proxy
Update email template paths
Use email.text not email.body for file content
Add file to the EMAILS folder so we can commit it
Merge pull request #6 from remy/feature/update-emails

Feature/update emails
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