Add missing cinder options to config reference

Include all missing tables in a "misc" sections.

Change-Id: I8afca73c30bec0129c710a60ac8665fd649af657
Add file heat-clients_neutron.xml to config ref

The table heat-clients_neutron.xml was not included in the guide, add
it.

Change-Id: Ie88d57df3e5ca67d8236415ff347c93fe060f2f5
Merge "Add file heat-clients_neutron.xml to config ref"
Merge "Add missing cinder options to config reference"