[$] Toward a fully reproducible Debian

It's been a little over one year since we last covered Debian's reproducible buildsproject. The effort has not stopped in the interim; progress continuesto be made, the message has sharpened up, and word is spreading. ChrisLamb, speaking about this at FLOSS UK in a talk called "You may thinkyou're not a target: a tale of three developers", hinted that the end may be starting to come into sight.