- remove #if !defined(DN_DEFAULT_USERNAME) stuff; we decided it's not needed - fix memory error on default username processing - always use LOGNAME as default username unless -d option is given   (i.e., -n should not imply -d)
- remove #if !defined(DN_DEFAULT_USERNAME) stuff; we decided it's not needed
- fix memory error on default username processing
- always use LOGNAME as default username unless -d option is given
  (i.e., -n should not imply -d)

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