for perf table updating, handle the case where there is no perf.csv. run.py might not have created it because of an earlier error, for example.
for perf table updating, handle the case where there is no perf.csv. run.py might not have created it because of an earlier error, for example.

h2oai/h2o-dev,h2oai/h2o-dev,jangorecki/h2o-3,michalkurka/h2o-3,h2oai/h2o-3,jangorecki/h2o-3,mathemage/h2o-3,mathemage/h2o-3,michalkurka/h2o-3,michalkurka/h2o-3,jangorecki/h2o-3,h2oai/h2o-dev,mathemage/h2o-3,YzPaul3/h2o-3,YzPaul3/h2o-3,jangorecki/h2o-3,h2oai/h2o-3,YzPaul3/h2o-3,spennihana/h2o-3,spennihana/h2o-3,spennihana/h2o-3,h2oai/h2o-3,h2oai/h2o-3,mathemage/h2o-3,michalkurka/h2o-3,h2oai/h2o-dev,h2oai/h2o-3,spennihana/h2o-3,mathemage/h2o-3,h2oai/h2o-3,jangorecki/h2o-3,jangorecki/h2o-3,YzPaul3/h2o-3,YzPaul3/h2o-3,michalkurka/h2o-3,YzPaul3/h2o-3,michalkurka/h2o-3,h2oai/h2o-dev,jangorecki/h2o-3,YzPaul3/h2o-3,h2oai/h2o-3,mathemage/h2o-3,h2oai/h2o-3,h2oai/h2o-dev,spennihana/h2o-3,spennihana/h2o-3,michalkurka/h2o-3,h2oai/h2o-dev,spennihana/h2o-3,mathemage/h2o-3