reimpliment exclude_trial filter

tidy code

add feature prototype: worklist filter to remove requests that are part of clinical trials

replaced DoI highlighted specimen table cell with biohazard image; extended DoI alert to all worklists (was missing from some); changed C::R::Misc::get_unique_ids to get_unique_request_ids for clarity in caller

changed local worklist Cut-up & Processing cells for flow option from a result to a status option

changed diagnosis_change_options.reason col to option_id

hilis3 conversion scripts for YHHN