added ability of reporter to amend own record before authorisation; retrieval of possible previous patient matches in screen/report pages uses same algorithm as HILIS3; re-formatted referrer field output in ppm_and_results}
git-svn-id: https://jti.org.uk/svn/hmds_lims/trunk@1366 4177bd82-f056-0410-812d-caef170e3fa0
