Add `node-stated` and wrapper lib
Add statsdRequests middleware wrapper
Add stated config to local-dist
Add stated route middleware to /backpack/badge POST and /backpack/authenticate POST methods
Isolate to /backpack/badge POST
Enable statsd for all routes
Fix tests that don't exit because statsd's udp client prevents exit
Use util.format for sprintf
Build statsd buckets from path instead of url
Update dependency: up now called up-time in npm
Add comment to statsd config with where to find out
about additional options.

Prefix statsd middleware buckets with "paths" instead of
"obi". A prefix like "obi" can be set in config with
e.g. `prefix: "obi"`.
Add a simple statsd middleware test
Merge pull request #915 from stenington/statsd

Statsd