[musicbrainz] Use "kind" column as a Neo4j-2.0 label
[musicbrainz] Remove rels to type nodes. Prepare for labels support
Support multiple labels (WIP)
Support merging columns + MusicBrainz multi-label output
[musicbrainz] Move packaging to a node label
[musicbrainz] Exclude "code" column/property and update example SQL script
[musicbrainz] Support including/excluding exported entities