Flatten vote data and add a query around getting the votes for the week.
Flatten vote data and add a query around getting the votes for the week.

I removed the extra nesting that we had around lunch votes.  I also
added a real query around selecting only this weeks lunches (which is
only possible with the new flatter data structure).

chadev/chadev-voting-booth,chadev/chadev-voting-booth,chadev/chadev-voting-booth