(FR #920) Schema for no_thank_you

Change-Id: Ib84b70c8876827a172097b6e6824c0904fbb21cb
(FR #920) Stop using epoch magic in thankyou_date

Change-Id: I211421eb4b4390e9508c8b68844c36b927fc5fa3
Merge "(FR #920) Schema for no_thank_you"
Merge "(FR #920) Stop using epoch magic in thankyou_date"