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}
git-svn-id: https://jti.org.uk/svn/hmds_lims/trunk@1250 4177bd82-f056-0410-812d-caef170e3fa0