Flow/Community engagement/Sandbox release plan

Pre-release work
The first step before our release is heavy testing - not by the community, but by staff. We're going to beat on Flow as much as we are able, submitting bugs where we can, and discuss our general impressions afterwards to get a sense for whether or not Flow is ready to actively invite people to play around with. If it is, we move on to step 2 - if it's not, we add in another sprint of bugfixing, rinse, wax and repeat. Staffer impressions are a one-way test, in the sense that if we can find (on our test instance) bugs that are blockers, we shouldn't deploy, but if we can't find any bugs, that doesn't necessarily indicate a bug-free deployment on production ;p. We've scheduled the first hammering session (hammer time!) on