plataformatec/devise — pull request #2525 by miry (2013-07-23 11:11:35+00:00)
Title: Fixed checking for rememberable in timeoutable

Fixed bug when an user has field `remember_created_at` but the module `rememberable` is not enabled for the user.

Example:

```ruby
class User < ActiveRecord::Base
devise :timeoutable, ...

def remember_created_at
Time.now.utc
end
end
```