new setting 'is_test_platform' to exempt test server from portal login requirement; new outreach worklists unreported and unauthorised; added user-configurable duration option on unreported worklist, shared with outreach unreported; adapted Resources token generation function to provide encrypted username for online request forms; bugfix to _xna_extraction() - lc on query param extraction_type gave error if param undef

tightened new lab test validation (no spaces, lowercase) and new t/ tests; user can't select lab when changing location; other misc minor edits