Task #7569: get_metadata puts metadata in a file, instead of providing a huge string as output. The latter is not deisrable if get_metadata is run as a stand-alone tool.

Task #7352: Use qpid to send status, dataproduct, and processing feedback to MAC/MoM -- initial implementation

Task #2613: removed input/output datamap size checking for pulsar pipeline because it is not a correct assumption for pulsar pipeline, especially when multiple file parts are used