MB-4114 sanitize CB_MASTER_PASSWORD env var from cbcollect_info
MB-4114 sanitize CB_MASTER_PASSWORD env var from cbcollect_info

Change-Id: Iceb1e9704daf03513cdcae358223e29a71b2380a
Reviewed-on: http://review.couchbase.org/68376
Reviewed-by: Aliaksey Artamonau <3c875bcfb3adf2a65b2ae7686ca921e6c9433147@gmail.com>
Tested-by: Aliaksey Artamonau <3c875bcfb3adf2a65b2ae7686ca921e6c9433147@gmail.com>

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