ISPN-4631 Add explicit check that cluster was formed

* Added check that cluster has 2 members
* Adjust initial number of nodes to avoid delays
* Renamed jgroups config files to "tcp" as transport was switched to TCP
ISPN-4763 New status for when Hot Rod operations return previous value
Changed RemoteStore to use default protocol (2.0)
Do not trim the James mime4j module as it is needed by resteasy