app/models/admin_user.rb
class AdminUser < ActiveRecord::Base
devise \
:database_authenticatable,
:recoverable,
:rememberable,
:trackable,
:validatable
#:token_authenticatable
#:encryptable
#:confirmable
#:lockable
#:timeoutable
#:omniauthable
attr_accessible \
:email,
:password,
:password_confirmation,
:remember_me
end