Chapter 5 edits, Scaling

Change-Id: Ie0998effd8d8c75bb03e30ff2914e3dccaacda28
Tweaks to Working with Roadmaps Appendix

* Update nova-network section based on latest information
* Add a section on Nova V3 API
* tweak ironic section
* add a section on Python SDK projec

Change-Id: Iad3a86db616d0c879c1e34c8960fc997e3632843
Merge "Tweaks to Working with Roadmaps Appendix"
Edits for chapter 6, Storage Decisions

Change-Id: I05789f0a81963fb8245eba0c84ec2363b87f80b8
Merge "Chapter 5 edits, Scaling"
Address Lay of the Land additions

- Introduce Dashboard for admin tasks
- Edits to clarify
- Re-mark tip and consolidate a note about OS_CACHE

Change-Id: I762e2e16164fd48fb6da9cac147673a13d62bfa9
Address edits for Users and projects

Change-Id: Ie3abf946af0373fa1b55d734e8044c7c35b507a2
Adds sidebar (only edit for Maintenance chapter)

Change-Id: I7645274d31ede8b7939a39111b837b7c16d719d8
Few more edits to Customization

Change-Id: I168a448c6cc93626343e55a6391e7b033511f7a8
Fix titles in advance configuration

Change-Id: I204d1419d5cc41e977cf6308c4132a9c7ac5d94b
Edits and markup for Network troubleshooting

Change-Id: I746349acac9d6ac86ec7f754709479eb7616baa0
Edits to chapter 7, network design

Change-Id: I9ed34eef08ca4fae0e932ac6faefabdbcdb5f837
Merge "Adds sidebar (only edit for Maintenance chapter)"
Merge "Address edits for Users and projects"
Merge "Address Lay of the Land additions"
Merge "Fix titles in advance configuration"
Merge "Edits to chapter 7, network design"
Merge "Few more edits to Customization"
Fix a whitespace issue in a title

Change-Id: I82fd435c7efdfc2dc68ed98ee4e18c6e8eba6469
Merge remote-tracking branch 'origin/master' into oreilly/75707-76364

Change-Id: I20694c47a97db99073e58b37c4eec1f8394b1a5f