Quick, not quite dirty, but not under tests Attendees view for logistics like childcare and diet

## Attending View

![2013-05-31 at 12 04 52 pm](https://f.cloud.github.com/assets/358882/592824/a09fc256-ca25-11e2-9aca-fdaff9a7a5da.png)

This is a lump view that shows all attendees, student and volunteer, along with their dietary info and childcare info. This is necessary for figuring out food for the weekend.

## Student View

![2013-05-31 at 12 11 55 pm](https://f.cloud.github.com/assets/358882/592838/ff3682be-ca25-11e2-8602-01db70525a9b.png)

An in-app view of the Students CSV.

---

These tables are visible only to organizers.

Pull requests with tests for all these changes (there will maybe be more by the end of the day) will come after the workshop is over.