Update the properties of the messaging related configuration.
void updateMessagingConfiguration(SUPConfigurationComponentVO configurationComponent)
      throws SUPAdminException; 
If successful, returns silently. If unsuccessful, throws SUPAdminException.
SUPConfigurationComponentVO confVO = supConf.getMessagingConfiguration();
confVO.getProperties().put("msg.http.server.proxy.ports", "5002");
supConf.updateMessagingConfiguration(confVO);
supConf.commitClusterConfiguration();