Sends the message back to Kafka
        @param master: the final dict to send
        @returns: True if successfully sent to kafka

def _send_to_kafka(self, master):
        '''
        Sends the message back to Kafka
        @param master: the final dict to send
        @returns: True if successfully sent to kafka
        '''
        appid_topic = "{prefix}.outbound_{appid}".format(
                                                    prefix=self.topic_prefix,
                                                    appid=master['appid'])
        firehose_topic = "{prefix}.outbound_firehose".format(
                                                    prefix=self.topic_prefix)
        try:
            # dont want logger in outbound kafka message
            if self.use_appid_topics:
                f1 = self.producer.send(appid_topic, master)
                f1.add_callback(self._kafka_success)
                f1.add_errback(self._kafka_failure)
            f2 = self.producer.send(firehose_topic, master)
            f2.add_callback(self._kafka_success)
            f2.add_errback(self._kafka_failure)

            return True
        except Exception as ex:
            message = "An exception '{0}' occured while sending a message " \
                "to kafka. Arguments:\n{1!r}" \
                .format(type(ex).__name__, ex.args)
            self.logger.error(message)

        return False