Add .ruby-* files to .gitignore.
Loosen Rails version constraint to >= 4
Only add role to assign/update_attributes when the protected_attributes gem is loaded.
Fix Rails 4 deprecation notice in tests.
Disable assertion of a feature which doesn’t work at the moment (custom sidebar on the dashboard).
Update/correct expectation of bulk actions.
Update assertion to actual HTML.
Update assertion to actual Typus config (dragonfly image preview size)