removed request_gross_description from app; added request_secondary_diagnosis definition; replaced underscores with spaces in history display; morphology and comment optional displays in request summary view; more tests in report.t
refactored request_report table again - replaced 'vertical' request_specimen_detail and request_report_detail tables with conventional 1-2-1 mapping with request table
added check for defined validator method in Ajax jquery_check_value(); switched RDBO_DEBUG off for db_write_timer() & db_read_write_timer(); indexed email_contacts.contact_address col
enabled bcr-abl auto-reporting function; added patient address to list of fields anonymised in emailing report to non-secure address; changed sessions & email_contacts tables to InnoDB following MyISAM corruption after system crash