Replace popup lookups by layered lokoups

[Jacques Le Roux]

Hi,

I have created a Jira issue https://issues.apache.org/jira/browse/OFBIZ-3442 with a patch intented to replace popup lookups by 
layered lokoups, ie lookups Ajaxified, like was the calendar about one year ago.

A special thanks to Sascha Rodekamp for his continued good work on this

Please test and report

Thanks

Jacques