Since I have no news from Olivier about this effort, I decided to keep the branch up to date by merging trunk HEAD. 
This is not only in memory of Tom, I believe it's an interesting feature, the current embedded help is crappy...

git-svn-id: https://svn.apache.org/repos/asf/ofbiz/branches/webhelp-2012-12-07@1562048 13f79535-47bb-0310-9956-ffa450edef68