Cleaned up cluster package layout
Cleanup of tcp/ip & multicast join test
Processed review comments
Minor layout improvements
Minor queue cleanup

Moved operions to operations package
simplified smoe methods
minor improvements
Merge pull request #3751 from pveentjer/cleanup/3.x/cluster-package-layout

Cleaned up cluster package layout
Merge pull request #3762 from pveentjer/cleanup/3.x/minor-queue-cleanup

Cleanup/3.x/minor queue cleanup
Merge pull request #3758 from pveentjer/cleanup/3.x/jointest-cleanup

Cleanup/3.x/jointest cleanup
Client cleanup; lots of javadoc