QPID-5409: Add functionality into RemoteReplicationNode to change role attribute from REPLICA to MASTER

git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/java-broker-bdb-ha@1564813 13f79535-47bb-0310-9956-ffa450edef68
QPID-5409: Add functionality to delete remote node

git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/java-broker-bdb-ha@1564814 13f79535-47bb-0310-9956-ffa450edef68
QPID-5409: Refactor RemoteReplicationNode to delegate je calls to ReplicatedEnvironmentFacade

git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/java-broker-bdb-ha@1564815 13f79535-47bb-0310-9956-ffa450edef68