liferay/yui3 — pull request #2 by marclundgren (2012-10-16 16:47:19+00:00)
Title: WidgetStack now correctly parses `z-index` from a widget's `srcNode`.

Fixes #2530186

Hat tip to @tivac for investigating this.

Related:

* https://github.com/yui/yui3/pull/68
* http://jsfiddle.net/ericf/T74bb/
* http://www.w3.org/TR/CSS2/visuren.html#z-index
* https://bugs.webkit.org/show_bug.cgi?id=15562

Conflicts:

src/widget-stack/js/Widget-Stack.js
src/widget-stack/tests/widget-stack-test.js
src/widget-stack/tests/widget-stack.html