Add a time command to data

* Since we're logging in zulu time, add a convenient tool to the `data` command to output the date in that format.
* Remove triple level verbosity from this command line tool. Run quiet or debug.

AfC
s/confusing/pain-in-the-ass this week/

...but fair enough. We'll keep the constraint explicit everywhere. If you find yourself tripping over this sort of thing yourself, bring it up and we'll revisit it. Sending up an update.