API to re-process refunds (to specific refund reasons)

[gsmachado]

As an ICO operator, it would be good to have an API to "re-process" transactions which are in the table "eligible for refund".

Example: let's say an error happened at a given specific time and the transaction should be re-processed. Then, an ICO operator can specify the "transaction hashId" and the "refund reason code" and the transaction would be re-processed and possibly the tokens allocated.

The API structure is up for discussion.