MB-12564: added /node/controller/setupServices endpoint

Which is going to be used for setup of node services of initial
cluster node.

Change-Id: Idc90a15a8228486fb0c995d881ba8153e9e3155f
Reviewed-on: http://review.couchbase.org/42877
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Reviewed-by: Artem Stemkovski <artem@couchbase.com>