Add mix passport.gen.* tasks

[IceDragon200]

Possibly an umbrella task passport.gen which just generates everything at once, and then smaller single purpose tasks for existing projects.

TODO

• Emails
  • confirmation_email
    • new.html
    • new.txt
  • reset_password_email
    • reset.html
    • reset.txt
• Views
• ConfirmationEmailView
• ResetPasswordEmailView
• Controllers
  • ConfirmationController
  • PasswordController
  • TwoFactorController
  • SessionController
• Models
  • ApiKey
  • Entity/User