add service-configurable external-ref option to generic worklists

Add yaml configurable 'status time' field in section worklists

prototype worklist lab section filter cinical trials

new function to allow lab-test result entry to automatically set lab test status to complete - for genomics but adaptable to others; default 'no' for DB::LabSection has_labels; weekly notifications.pl sends message even when no data; patched screen.t to substitute datetime year for hard-coded lab-number yr value; modifications to specimen types and specimen field labels in admin section for genomics data; added genomics filters in data entry and display worklists

lab section worklists have label printing function; separated worklist/display.tt into 2 separate + 1 common template

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

added callback to C::WorkList::display() to display requesting username of requested test/panel; removed MooseX::AttributeHelpers from all classes - using Moose::Meta::Attribute::Native syntax

added yaml override for default worklist table cols

hilis3 conversion scripts for YHHN