add ns_couchdb node processes to diag

Change-Id: I308c5165096dede831c63772e7c3e2931c305611
Reviewed-on: http://review.couchbase.org/42368
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
add ns_couchdb node ets_tables to diag

Change-Id: Ie21160c3b4dbcde2f1f241ac23a09f41a32504b4
Reviewed-on: http://review.couchbase.org/42369
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>