QPID-4594,QPID-4682: rename BrokerOptions methods for overriding the HTTP/JMX/RMI ports in management mode to better match their function

merged from trunk r1479310


git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/0.22@1479312 13f79535-47bb-0310-9956-ffa450edef68