new admin function to view cron log; new entries for contacts.lib

outreach charts don't plot unless 2 or more datasets; added find GP by practice function to outreach demographics; set permissions mode on all crons so svk revert on production doesn't revert to 644; set results summary to default open on report page - correctly this time

forgot to add new PNH diagnosis alert cron on previous commit

activated daily crons; bugfix to expire_user_sessions.pl

new myelomaX_data.pl cron; moved emailing function out of all crons (except mail_reports.pl) to new ScriptHelpers::send_mail() function

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