patched ScriptHelpers::send_mail() to accept recipient in email address format; patched HMRN treatment data validation to exempt default date from chronological order test; modifcations to requests_and_reports.pl
new_pnh_alert, juvenile_diagnosis_status_alert & chest_clinic_diagnosis_alert log sucessful emails to request_history; refactored some repeated code in ScriptHelpers
adapted M::Chart::get_param_monitoring_data() to accept arrayref of presentation terms as well as scalar; added CSF context warning directly to record/body.tt
