updates for v0.4.0 release: - remove portal-specific language - add options for cred-based auth (renewal)
updates for v0.4.0 release:
- remove portal-specific language
- add options for cred-based auth (renewal)

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