MB-27160 bump mb_master_advertised_version so 5.0.1 node will
MB-27160 bump mb_master_advertised_version so 5.0.1 node will

...be always a master in 5.0.0 cluster, which guarantee fixup
execution on mixed clusters

Change-Id: I5b58c607f245a4fb67c25a52f145e09b69f43d16
Reviewed-on: http://review.couchbase.org/86731
Well-Formed: Build Bot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Tested-by: Artem Stemkovski <15a0730a27c69f62ab86f2b6c639fca202166c02@couchbase.com>
Reviewed-by: Aliaksey Artamonau <3c875bcfb3adf2a65b2ae7686ca921e6c9433147@gmail.com>

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