public void handleRequestDone(Request req) {
                    reqDone = true;
                    updateTask.scheduleNow();
                    transportThread.wakeup_if_not_self();
                }
Create a new Register using the given Supervisor, slobrok
connect specs, hostname and port

@param orb the Supervisor to use
@param slobroks slobrok connect spec list
@param spec the Spec representing hostname and port for this host
@param bop custom backoff policy, mostly useful for testing
jrt/src/com/yahoo/jrt/slobrok/api/Register.java