This adds a document that helps clarify the scope of the Nova mission statement. We need to keep the Nova project a manageable size. Agreeing on what Nova should focus on is a great way to make sure we grow Nova in a consistent way, leaving open opportunities for other projects to do a better job of things Nova doesn't see as part of its core mission. Part of blueprint devref-refresh-liberty Change-Id: I4e46ee252e6b29b063bcc8204d60d670eb79daef
OpenStack Nova Documentation README
See the "Building the Documentation" section of doc/source/devref/development.environment.rst.