Modularize cinder tables and use them in Config Guide

Change-Id: I21954262ba32e706e2a175fb46a45a132fbd0182
Add missing glance tables to Config Guide

Add remaining glance tables to Config Guide.

Change-Id: I9a24e2d54435445ee9035cafb0f0febaadf807ec
Merge "Modularize cinder tables and use them in Config Guide"
Merge "Add missing glance tables to Config Guide"