Add flexslider class to carousel example to remove FOUC.
Add missing HTML tag start, even though it does not appear as invalid
Update flexslider jQuery plugin to latest upstream - 2.2
UNL Events is now secure enabled.
Support multiple sliders (carousels) on a page.
www1 joins the list of secure enabled hosts.

Welcome nav switcher on SSL
Expose API to fetch remote site navigation.
Ensure that the WDN navigation is displayed on the example page.
Retionalize used z-indexes
Update all NPM dependencies

`npm --prefix=build -g update`