removes obsolete and overseen z-index from PopUpPanel static style classes
removes static <div>-tag as root element of any PopUpPanel. Instead, this tag is created by the provided tagFactory.This reduces the DOM complexity and enables clients to model their floating content closer to any template.
adjust UI-tests due to new DOM structure within the demo components
downgrade external scroll-into-view-if-needed lib version to fit to code base
z-indexfromPopUpPanelstatic style classes<div>-tag as root element of anyPopUpPanel. Instead, thistagis created by the providedtagFactory.This reduces the DOM complexity and enables clients to model their floating content closer to any template.scroll-into-view-if-neededlib version to fit to code basefixes #820