hide --debug option in voltadmin
For ENG-4901, fix the bug that causes voltadmin to fail on Python 2.4
Consistent messages for port usages.
Initial tests to check on jenkins.
Add zookeeper port test
Add replication test ports.
Merge branch 'master' into ENG-4873
Refactor tests to use dummy catalog.
Use Java to listen than nc.....which is not available on build servers
Add environment option to LocalCluster
Add -D to be sent to local cluster for JMX.
Merge branch 'master' into ENG-4873
Print Diff level message when replication port binding failed based on if replication is enabled from deployment.
Organize imports
Merge branch 'master' into ENG-4873
Add test for Internal Port
Merge branch 'master' into ENG-4873
Review and still waiting for message ok etc.
Merge branch 'master' into ENG-4873
revoke the previous modification on voltadmin since collect CLI is moved to voltdb