Support for Apache Pulsar

[docktermj]

Apache Pulsar is another queue in the realm of RabbitMQ, AWS SQS, Apache Kafka. See https://pulsar.apache.org/

Support would be needed in:

1. https://github.com/Senzing/stream-producer
2. https://github.com/Senzing/stream-loader
3. https://github.com/Senzing/redoer
4. https://github.com/Senzing/senzing-api-server