Document how to use headers
Document how to use headers

rxcomm/mixminion,Javex/mixminion,Javex/mixminion,crooks/mixminion,mixminion/mixminion,Javex/mixminion,mixminion/mixminion,crooks/mixminion,rxcomm/mixminion,crooks/mixminion,mixminion/mixminion,Javex/mixminion,nmathewson/mixminion,nmathewson/mixminion,reezer/mixminion,reezer/mixminion,rxcomm/mixminion,nmathewson/mixminion,reezer/mixminion,reezer/mixminion,rxcomm/mixminion,crooks/mixminion,mixminion/mixminion,nmathewson/mixminion