Add options for batchReceive

[jabrena]

Consumer consumer = client.newConsumer()
        .topic("my-topic")
        .subscriptionName("my-subscription")
        .batchReceivePolicy(BatchReceivePolicy.builder()
             .maxNumMessages(100)
             .maxNumBytes(1024 * 1024)
             .timeout(200, TimeUnit.MILLISECONDS)
             .build())
        .subscribe();