add basic account activation feature
seeded test db
add basic action_mailer configuration
add basic tests for mailers
basic authentication through email is in place
basic functionality of user test is done
account activation integration test finished
add authentication methods to user model and controller.  one test not passing.
password reset methods added to User model and controller
add text and html template for password reset email, preview with user_mailer
finished with pasword reset and authentication, tests not passing
all test related to email and password resets are passing...
Merge branch 'feature/account-activation-password-resets' into develop
Finished Chapter 10