moved diagnosis_confirmation_required from Local::Utils to new Local::Role::DiagnosisConfirm - didn't belong in Utils class, and function now needs to access LIMS config to load yaml files dir dynamically depending on CENTRE env param}
git-svn-id: https://jti.org.uk/svn/hmds_lims/trunk@1439 4177bd82-f056-0410-812d-caef170e3fa0