Don't rely on configured "location" value of driver, since this does not work for virtual hostingInstead, get the "host", "port" and "defaultport" directly from "ns_driver info" when available
Improved handling of link and child resources of forms- test-item-procs: use resolve context to resolve e.g. images in the context of the original form (many thanks to Thomas Renner for the suggestion)- added extra argument "-context_obj" to substitute_markup to ease client code- inclass-exam-answer.wf: reduced the db interactions by using form_info for form generation