fixed M::Result::update_results_summary() to reset history actions before running transaction to correct auto-incrementing 'reported' action for bcr-abl uploads; simplified generate_new_password() method}
git-svn-id: https://jti.org.uk/svn/hmds_lims/trunk@1543 4177bd82-f056-0410-812d-caef170e3fa0
