MB-23060 replace TapReader and TapWriter with a single Tap privilege
MB-23060 replace TapReader and TapWriter with a single Tap privilege

Change-Id: I831f4929042f7fb3f38ad873e217639ab33c743a
Reviewed-on: http://review.couchbase.org/75182
Tested-by: Artem Stemkovski <15a0730a27c69f62ab86f2b6c639fca202166c02@couchbase.com>
Reviewed-by: Aliaksey Artamonau <3c875bcfb3adf2a65b2ae7686ca921e6c9433147@gmail.com>

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