code cleanup
[PAXWEB-582] - Update Of Virtual Host/Connector Handling For Jetty 9
[PAXWEB-154] - Allow specification of Filter behavior during RequestDispatcher processing (i.e. web.xml filter-mapping/dispatcher)
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minor enhancement
Merge branch 'PAXWEB-582'
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[PAXWEB-582] - Handling Of Virtual Hosts And Connectors On Jetty 9