MB-16615: change "index" to "view-index" in internal settings
MB-16615: change "index" to "view-index" in internal settings

Change-Id: I1d9a700201db89250f61f8d70311dfadc7f21b57
Reviewed-on: http://review.couchbase.org/56711
Reviewed-by: Anders Nygren <4f8bff4ce020de40cfee5db6ca7fd51acc06e5c4@couchbase.com>
Tested-by: Dave Finlay <7b10a9ed9f70e64c30b07607a671ae61c33f14c8@couchbase.com>

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