Updated "move" demo

Created a new demo based on JQuery and DOM manipulation. Since it’s
based on JQuery, no iframe is required on the website.

PLEASE NOTE : the server side script have been updated for the demo !
Updated jQuery

Updated jQuery to a CND based solution
Reworked the "Which features are used?" section.
Merge pull request #48 from lcharette/ape-project.org

New "move" demo.