CBG-343: Upgrade gocb to 1.6.1 and gocbcore accordingly (#4099)
CBG-343: Upgrade gocb to 1.6.1 and gocbcore accordingly (#4099)


ceejatec/sync_gateway,couchbaselabs/sync_gateway,ceejatec/sync_gateway,ceejatec/sync_gateway,couchbaselabs/sync_gateway,ceejatec/sync_gateway,couchbaselabs/sync_gateway,couchbaselabs/sync_gateway