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Author SHA1 Message Date
beorn7 39c4915401 federation: Collapse time series of the same name
This will avoid duplicate MetricFamilies, thereby shrinking the size
of the federation payload and also creating legal text format.

Also, add unit tests for federation. They were also needed for the
previous state of the code, but were missing.
2016-09-14 19:35:20 +02:00