Satchmo

The 'encoding' field for specifying the character encoding is being overloaded in the wild to support `content-encoding` since no field exists for this specific purpose. Here is an example tx...

change to ordfs.gorillapool.io formatting, types

## Bug Description electrumDecrypt can encrypt with a counterparty public key identically to existing libraries, but fails to decrypt when providing your own private key and the counterparty public key....