Add verification email on sign up

- Now, every time we create a new user, our server will also
  send a verification email to the user
- I also moved the test file and eliminated a lot of whitespace
- The next step is to create and use the verification routes
Small fix for nodemailer
Transition to a blank confirmation page upon successful signup
Email verification works
Improve error messages
Improve error handling
Merge pull request #296 from krazemon/infra/verification-emails

Infra/verification emails