test user active attribute
add column active to users
make sample users active
basic test for activation
add basic user activation
added column activation_code to users
activate user with right code
activation in users controller
generated mailer for notifications
send activation mail on sign up; tests pending
users controller tests for sending activation email
user is now inactive when created, needs to be activated to use website
do not use User.unscoped override default scope instead with inactive scope
integration test for user sign up + activation