- fix logic for expired creds so we don't display negative timeleft
- fix logic for expired creds so we don't display negative timeleft

ellert/globus-toolkit,ellert/globus-toolkit,ellert/globus-toolkit,globus/globus-toolkit,gridcf/gct,gridcf/gct,gridcf/gct,globus/globus-toolkit,ellert/globus-toolkit,ellert/globus-toolkit,ellert/globus-toolkit,globus/globus-toolkit,gridcf/gct,globus/globus-toolkit,globus/globus-toolkit,ellert/globus-toolkit,gridcf/gct,gridcf/gct,globus/globus-toolkit,ellert/globus-toolkit,globus/globus-toolkit,globus/globus-toolkit