Bump config version to 4.1.1
Bump config version to 4.1.1

Also, we need to reapply memcached_defaults and memcached_config, for
the offline upgrade from true 4.0 that doesn't know about
dedupe_nmvb_maps.

Change-Id: I9978972f6fc92eba81eb852d219279721bcae313
Reviewed-on: http://review.couchbase.org/61033
Tested-by: Aliaksey Artamonau <3c875bcfb3adf2a65b2ae7686ca921e6c9433147@gmail.com>
Reviewed-by: Artem Stemkovski <15a0730a27c69f62ab86f2b6c639fca202166c02@couchbase.com>

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