spacewalk-sync-setup: Fix test FQDN input.
spacewalk-sync-setup: Fix duplicate error messaging.
spacewalk-sync-setup: Branding change from Satellite to Spacewalk
spacewalk-sync-setup: Asking for username and password
spacewalk-sync-setup: Always initialize config with the real values.
spacewalk-sync-setup: Require master or slave hostname or --default-ok option on apply or dry run modes.
spacewalk-sync-setup: Processing master and slave credentials in this order.
spacewalk-sync-setup: Dry run default should be False.
spacewalk-sync-setup: Show help, if no options passed but config already exists.
spacewalk-sync-setup: Connect if apply option has been passed.
spacewalk-sync-setup: Renamed options,'dry-run' to 'describe-templates' with 'dt' and 'default-ok' to 'configured-hosts' with 'ch'
spacewalk-sync-setup: Refined error message when apply or describe-templates is passed w/o hosts