Brian Brazil e56786b221 Have scrape time as a pseudovariable, not a prometheus variable.
This ensures it has the right timestamp, and is easier to work with.

Switch sd variable away from 'outcome', using total/failed instead.
2014-12-27 00:39:33 +00:00
..
2014-12-10 16:16:49 +01:00
2014-12-18 12:18:16 +01:00
2014-12-18 12:18:16 +01:00