PUBDEV-4885: Verbose option for models fails when nfolds >=2 (#1508)
PUBDEV-4885: Verbose option for models fails when nfolds >=2 (#1508)

* Avoid 404 error when using verbose mode with nfolds >=2

* Remove tryCatch around job progress. Not needed

* Better to check progress msg for null value instead of tryCatch()

h2oai/h2o-3,mathemage/h2o-3,h2oai/h2o-dev,mathemage/h2o-3,michalkurka/h2o-3,michalkurka/h2o-3,spennihana/h2o-3,h2oai/h2o-3,spennihana/h2o-3,h2oai/h2o-3,michalkurka/h2o-3,h2oai/h2o-dev,mathemage/h2o-3,spennihana/h2o-3,mathemage/h2o-3,spennihana/h2o-3,michalkurka/h2o-3,michalkurka/h2o-3,mathemage/h2o-3,mathemage/h2o-3,spennihana/h2o-3,h2oai/h2o-dev,h2oai/h2o-dev,h2oai/h2o-3,spennihana/h2o-3,mathemage/h2o-3,h2oai/h2o-dev,h2oai/h2o-dev,h2oai/h2o-3,h2oai/h2o-3,h2oai/h2o-3,spennihana/h2o-3,h2oai/h2o-dev,michalkurka/h2o-3,h2oai/h2o-3,michalkurka/h2o-3