MB-9830: formatting for 'Create Cluster Reference'

Change-Id: I8e652b7ab724dbdedcb75e68167c6a4eb504a8b9
Reviewed-on: http://review.couchbase.org/31727
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
MB-9815: moved cluster certificate section

Change-Id: I5e150b4747ef77c43c0e3e83860a7fb36c2e85f6
Reviewed-on: http://review.couchbase.org/31728
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
MB-9815: removed unnecessary code

Change-Id: I24eab9ef74a0d3071dad799b1e33959ba7c6716e
Reviewed-on: http://review.couchbase.org/31729
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
MB-9818: cluster certificate is for enterprise only

Change-Id: Ib008d98f95419f0a9c0f54bc0b6e451ea93acc2f
Reviewed-on: http://review.couchbase.org/31730
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>