start of tav nav container
tab-container

setup start of tab container
tab nav container
single tab component can be used on a page now
working tab containers

So tab containers seem to be an issue in authoring mode, as everything is done via properties on the dialog, so if you want another tab you need a developer this is incorrect, so this tab container allows you to drop tab panels into the tab container and control it that way, the authoring mode is nice as the parsys are hidden when you move the tabs