Bump replicator dependency. Fixes typo in couch_replicator_manager
Bump replicator dependency. Fixes typo in couch_replicator_manager

mem3 `shards_db` instead of `shard_db`

COUCHDB-3277

fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb