phase4-peppol-standalone is working

See https://github.com/phax/phase4-peppol-standalone/ for details.

Sending Peppol messages

Send Peppol AS4 messages via /sendas4/{senderId}/{receiverId}/{docTypeId}/{processId}/{countryC1} (will create SBDH)
Send Peppol SBDH messages via /sendsbdh

Receiving Peppol messages

Peppol AS4 messages are received via HTTP POST at /as4