Provides an equivalent implementation of the random importer (nuxeo-platform-importer).
Provides a blob importer so the document import can be done in a separate step (document just reference existing blobs).
Work in distributed mode.
Expose importer as automation operations.
See https://github.com/nuxeo/nuxeo-mqueues/tree/master/nuxeo-mqueues-contribs for more info.