Handle repos with inadequate information

* Inactivate repositories which lack privacy or org information
* Add rake task to update repo information

https://trello.com/c/oPFtmreZ/393-builds-are-being-run-for-active-repos-missing-privacy-and-organization-information
Yes, although the additional condition of `... AND updated_at IS NULL` is no good for this data change.

If you are okay tweaking that rake task (not sure how much it's run), I'll remove that clause and use that rake task.