MB-23345, MB-23323: update FTS graph labels
MB-23345, MB-23323: update FTS graph labels

Change-Id: Id5c2b8b82c727deea6b8174ef12b1878298c3ddb
Reviewed-on: http://review.couchbase.org/75728
Reviewed-by: Marty Schoch <ba9951d7d66412e2a57aea395f01176a793cf5eb@gmail.com>
Tested-by: Steve Yen <ef850f73f7832052d3c6d9b5ddd3a1716d9a57f1@gmail.com>

ceejatec/ns_server,membase/ns_server,ceejatec/ns_server,membase/ns_server,membase/ns_server,ceejatec/ns_server,ceejatec/ns_server,membase/ns_server,ceejatec/ns_server,membase/ns_server,ceejatec/ns_server,membase/ns_server