* Revert "revert #1568 due to test failures (#1587)"
This reverts commit 7af03e5215.
* temp run nightly test in this PR
* no need for square brackets because the set print adds them
* logging to find issue
* support tcp protocols
* Update ClusterDaemon.scala
* remove temp logging
* try to fix issue in Remoting
* extra tests
* more tests
* ignore udp tests
* try to make tests tidy up after failures
* Update MixedProtocolClusterSpec.scala
* Update MixedProtocolClusterSpec.scala
* run main cluster tests for PR