local changes for Bristol update: emailed messages contain test notice only if not in production; unreported requests worklist duration taken from config settings; config settings made available to Model classes; moved report output formatting to local template if not RR8}
git-svn-id: https://jti.org.uk/svn/hmds_lims/trunk@1012 4177bd82-f056-0410-812d-caef170e3fa0