Created by: josegonzalez
Not sure if I did this correctly - I think I interpreted line 91 correctly - but this change allows one to specify the selector used for the .close link. I require this as the Modal plugin uses the same .close selector to delegate closing the modal, and having an alert within a modal will ensure that the alert's .close link closes the modal, not the alert.
If there is a better way to do this, I'm all ears.