Gmoshkin/fix join after expel

Summary

• fix: bug in configure replication step

• fix: handle expelled replicasets when joining instances

• WIP: offline replicaset

• test: use name instead of instance_name

• test: wait_governor_status -> step_counter

• chore: add some logging when joining and updating instances

• fix: expelled instances are now ignored in replication configuration

• refactor: cleanup build_instance code

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• Close #703 (closed), #170 (closed)
• Cherry-pick to: none
• Docs follow-up: not necessary
• Changelog is updated