Add sanity check for Python version
python.org started issuing redirects to https

Update our link and add -L so we can follow future URL changes.
[PTFM-12132] Use action=append instead of nargs=*
PTFM-11918 Support 503/Retry-After in dxcpp.
Check return value of tmpnam
List the token timeout and configuration information in dx login
Changelog and version updates for v0.102.0, UA 1.5.4
Fix formatting of templates include in MANIFEST.in
UA bump to 1.5.4 did not include ua_version update
Changelog and version updates for v0.102.1
Fix Java tests now that jobs set ssh_host_rsa_key property.