[gem] Update handy_controller_helpers to 0.0.2
[spec/controllers] Add flash_destoyed spec for admin/roles_controller
[spec/requests] Improve admin/types_and_methods/contact_types
[spec/models] Add relation specs for contact_type
[factory] Add invalid_contact_type factory
[controllers] Use responders in admin/contact_types_controller and improve controller spec
[views] Improve admin/contact_types