MB-24744 allow Cluster Admin all administrative functions except
MB-24744 allow Cluster Admin all administrative functions except

...internal, security and /diag/eval

Change-Id: Id46831f91425239eb36cb61fc82149efc32fa3c6
Reviewed-on: http://review.couchbase.org/79423
Tested-by: Artem Stemkovski <15a0730a27c69f62ab86f2b6c639fca202166c02@couchbase.com>
Reviewed-by: Dave Finlay <7b10a9ed9f70e64c30b07607a671ae61c33f14c8@couchbase.com>

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