JCBC-517 - Add overloads for PersistTo/ReplicateTo only.

Change-Id: I04248ed5d97537e4c111beaead8f4b6a65b2dd07
Reviewed-on: http://review.couchbase.org/40695
Reviewed-by: Michael Nitschinger <michael.nitschinger@couchbase.com>
Tested-by: Michael Nitschinger <michael.nitschinger@couchbase.com>