patched cgiapp_prerun to accept skip_redirect flag created during reset password using emailed link, so destination=change_password happens without re-direct; changed M::Roles::ResultsUpdate::history_params attr from lazy_build to std method - was not appropriate to have lazy_build & 'clear' for method called from within loop}
git-svn-id: https://jti.org.uk/svn/hmds_lims/trunk@1373 4177bd82-f056-0410-812d-caef170e3fa0
