Tabs: Handle extraneous list items when using ui-tabs-active to set the initially active tab. Fixes #8568 - jQuery ui tabs: wrong default active li if ul contains extraneous elements.
Tabs: Handle extraneous list items when using ui-tabs-active to set the initially active tab. Fixes #8568 - jQuery ui tabs: wrong default active li if ul contains extraneous elements.

GrayYoung/jQuery.UI.Extension,GrayYoung/jQuery.UI.Extension