.h2o.locate: Locate a file given the pattern <bucket>/<path/to/file>
e.g. h2o:::.h2o.locate("smalldata/iris/iris22.csv") returns the absolute path to iris22.csv
Description
Locate a file given the pattern <bucket>/<path/to/file>
e.g. h2o:::.h2o.locate("smalldata/iris/iris22.csv") returns the absolute path to iris22.csv