Reintroduces JsInliner patch (3rd time is a charm?).  Fix for issue 5707.
With minor tweaks to Ray Cromwell's original version of this patch.

Review at http://gwt-code-reviews.appspot.com/1451802

Review by: cromwellian@google.com

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@10248 8db76d5a-ed1c-0410-87a9-c151d255dfc7