refactored Roles::PDF so that all reports are generated by same method inline_html_to_pdf_no_webkit() so reports should be identical whether by print run, individual print or print_run.pl cron, and only have one sub to define pdf settings for all functions; print_run.pl takes getopt -t for test; moved family_id validation prefix definition to settings.cfg so test & live can have different values; new entry for pcr_and_sequencing_worksheet.tt