ss-login/logout should not retry by default and instead have --retry option with max retry time

[konstan]

Or else automated deployment and smoke tests are now "infinitely" waiting for ss-login to return.

 3205 ?        Ssl    0:00 python /opt/slipstream/client/sbin/slipstream-node -v start
 9279 ?        S      0:00  \_ /bin/bash /var/lib/slipstream/module_slipstream_slipstream-quick-install_16235__deployment
 9296 ?        S      0:00      \_ bash -s community snapshot
 9301 ?        S      0:00          \_ bash ./slipstream.sh -k snapshot -e community
12932 ?        S      0:00              \_ python /usr/bin/ss-login -u super -p supeRsupeR --endpoint https://localhost