Release v2.1.1

• fixed bug while getting proper key in password_controller
• updated castle sdk from 3.5.0 to 3.5.1

Release v2.1.0

• added support of multiple devise authentication_keys & multiple reset_password_keys
• set proper user_traits for login.failed and login.succeeded
• upgraded castle-rb from 2.x to 3.x
• fixed initialisation of castle client issues
• added user_traits for login.succeeded and registration.succeeded

Release v2.0.0

• removed support of ruby1.9 and rails 3
• upgraded dependencies
• used castle-rb v2.x
• fixed castle data format to match current requirements