mqttfsjsbs
A partial implementation of oojah's very daft idea
See node mqttfs.js --help
for more info
Caveats
In the case where a/b/c has been published to and a/b/c/d will be published to, the first one is there will win. In that case, publishes to a/b/c will be kept and publishes to a/b/c/d will be discarded.