new tables sample_types, lab_section_sample_type & specimen_sample_type; added sample-type data to lab sections and specimens configuration functions; replaced arg to ErrorHandler::set_errorhandler_args with L::Local::Config->instance, as used in QueryLog
modified M::Roles::ScreenUpdate::_get_auto_screen_data() to handle a HoH for match criteria data to enable multiple criteria to be tested (eg clinical trial AND specimen type); new remodlb_alert.pl cron
used M::Roles::HistoryAction::do_request_history() function to update request_history instaed of dierct in M::Request::new_request(); hilis3 convert changes for merging flow_screen lab-tests with flow_cytometry section
