update progress polyfill examples to include redraw demo on update
Merge pull request #3578 from jeresiv/v4.0-progress

updated progress polyfill examples to include redraw demo on update
Merge pull request #3586 from pjackson28/enablednavcurrent

Navcurrent: Added automatic triggering for wb-menu and wb-sec through the menu plugin (fixes #3547)
Switched jQuery script references to Google CDN