PUBDEV-5000: Update list of values in K-Means model output (#1649)
PUBDEV-5000: Update list of values in K-Means model output (#1649)

- Updated list of model summary statistics that are outputted. This
shows total rather than average values.
- Updated its of training metrics that are outputted. This shows total
rather than average values.
h2oai/h2o-dev,h2oai/h2o-dev,h2oai/h2o-3,h2oai/h2o-3,h2oai/h2o-dev,h2oai/h2o-3,spennihana/h2o-3,michalkurka/h2o-3,spennihana/h2o-3,h2oai/h2o-3,michalkurka/h2o-3,michalkurka/h2o-3,h2oai/h2o-dev,h2oai/h2o-dev,spennihana/h2o-3,spennihana/h2o-3,h2oai/h2o-dev,michalkurka/h2o-3,michalkurka/h2o-3,spennihana/h2o-3,h2oai/h2o-3,spennihana/h2o-3,h2oai/h2o-3,michalkurka/h2o-3,h2oai/h2o-dev,h2oai/h2o-3,michalkurka/h2o-3,spennihana/h2o-3,h2oai/h2o-3