The use of mean and variance as histogram parameter names makes more
sense.
This also make it safe to use an empty histogram that holds no samples.
Signed-off-by: Amnon Heiman <amnon@cloudius-systems.com>
The HistogramValue object is used by the APIClient to returns a
histogram object from the API.
It contains the values that are defined in utils.json
Signed-off-by: Amnon Heiman <amnon@cloudius-systems.com>