Change HTML markup aui prefixes to YUI3.  Fixes AUI-806.
AUI-806 - Source Formatting
Merge branch 'master' into pull-request-133-AUI-806
AUI-806 - Source formatting
AUI-813 - AUI Overlays don't display properly when toggled in Chrome
AUI-813 - Build files
AUI-790 - IE7 Datatable Demo javascript error Expected identifier, string or number