More importantly: what's the right way to add an unboxer?

Just for reference, my current thought is that this should be a Scuttlebot plugin (please correct me if there's a better path). I think my steps for this iteration would look something like this:

• Add asynchronous codec handling to flumelog-offset (flumedb/flumelog-offset#14)
• Add asynchronous unboxer handling to secure-scuttlebutt (ssbc/secure-scuttlebutt#219)
• Add addUnboxer() to Scuttlebot (ssbc/scuttlebot#544)
• Create and publish a blob-content Scuttlebot plugin
• Install and add the plugin to my local client for further testing