Use email instead of username
Fix CS
Fix fixtures
Update behat scenarios
Update behat user_registration scenarios
Merge remote
Update behat WebUser
Update behat scenarios
Delete username from profile form
Update account_profile scenario
Fix WebUser

This should turn Travis green
Fix users scenario
Fix checkout login form

With "Email" instead of "Username" field name
Merge pull request #144 from winzou/email-login-clean

[clean] Use email instead of username