This adds in some titles, to replace the bold text that simulated
heading. It also changes the text into use cases rather than actions.
It includes a some additions around:
* resource optimization use cases for live-migration
* data loss during evacuate
* downtime during resize
* clearer description of why a user would call shelve
This does not complete this doc, but should help improve the readability.
blueprint complete-todo-in-api-concept-doc
Change-Id: Ib2cf479c14a1c2f3b119ba7f549a00c9bd541cf9
John Garbutt
186d45cb4a