Add Travis CI

Added Travis integration by including the needed travis configuration.

Be sure to create the hook from the Travis website, or manually as described in: http://about.travis-ci.org/docs/user/how-to-setup-and-trigger-the-hook-manually/

[![Build Status](https://secure.travis-ci.org/gbraad/jquery-mobile.png)](http://travis-ci.org/gbraad/jquery-mobile)