Propose and approve a spend of treasury funds.

- `origin`: Must be `SpendOrigin` with the `Success` value being at least `amount`.
- `amount`: The amount to be transferred from the treasury to the `beneficiary`.
- `beneficiary`: The destination account for the transfer.

NOTE: For record-keeping purposes, the proposer is deemed to be equivalent to the
beneficiary.

- There was a mistake made with a referendum.
- The mistake was that the referendum was not supposed to happen.
- The people who made the mistake are sorry.
- They are working to fix the mistake.
- They want to make sure it doesn't happen again.

Requested: 0.92 undefined

#195 Please vote against