Update plugin to work with XOOM and grab css class from select and option's.

Added jQuery to the Immediately Invoked Function to protect the $ alias.
Add logic to allow plugin to work on other mobile devices and not just IOS. Specifically the XOOM.
Rename isSafariMobile to isMobile.
Add webkit-overflow-scrolling to css so it has the nice ISO native scrolling.
Make plugin add the css class names from the select and option tags.
If the option is already selected then we add the selected class to the li element.