Comment 0 for bug 1548176

Add the following sections to openstack-manuals/doc/arch-design-draft/source/example-architectures.rst

* 10.1 Small scale, single site with Neutron networking
* 10.2 Adding another region
* 10.3 Scaling with multiple cells
* Real world examples: http://docs.openstack.org/arch-design/compute-focus-prescriptive-examples.html (Njira Perci, In Progress)

Please note:
1. Do not modify the current guide in openstack-manuals/docs/arch-design. Commit your changes to the draft directory openstack-manuals/docs/arch-design-draft.
2. Please ensure your commit message references the blueprint: Implements: blueprint archguide-mitaka-reorg

For more information, see https://wiki.openstack.org/wiki/Architecture_Design_Guide_work_items and
https://blueprints.launchpad.net/openstack-manuals/+spec/archguide-mitaka-reorg