bugfix to tt

http entries in comment field generate url; require filter for summary page if search returns >100 records; bugfix for Model::DPW save_document

moved dpw categories from tt into db

added date field to dpw dataset; documented deployment on ZBOX using lighttpd

extended app to provide household/dpw function; provided session expiry time display; increased dev env cookie_duration (but session still times out too early); sync'd InfoLib & Moongate save_document() methods with DPW class (using global @cols)