Added support for HTML5 input types
Added demo of HTML5 input types on the demo page
Add updateOriginal event for resetting default

Triggering this event on the form changes all original values to the
current values of the form.
This is useful when creating an async save without posting the form.
Not compatible with form reset.
Marged contributions from albinsunnanbo

* Merge branch 'UpdateOriginalValues' and 'AddHtml5InputTypes' of https://github.com/albinsunnanbo/jquery.AreYouSure into 1.5-dev
* Renamed the new event to "reinitialize" based on discussion in pull-request/issue thread.
* Various documentation updates.
* Rolled version number to 1.5

Pending: Code review
Minor doc updates and updated release date.

* Credited albinsunnanbo
* Rolled release date to the 15th