JIRA: https://jira.spring.io/browse/INT-3617
Start/stop `SmartLifecyle` beans with leader election/revocation.
ZK Namespace Support
Add Annotation Support
INT-3617: Polishing
Add `SmartLifecycle` to listener parser.
INT-3617: Polishing; PR Comments
Revert SmartLifecycleRoleController
Remove reflection.
Remove Dependence on spring-cloud-cluster
Temporarily move the relevant classes here.
Polishing; PR Comments and Fix Test
Test was incorrectly stopping the LeaderInitiator before it was elected.
Set auto-startup="false" in the i-c-a so we wait for its start before
stopping the LeaderInitiator.
Fix JavaDocs
814698fbb9