Also test missing values in h2o.predict() for dl binomial model.
Remove PUB-922 check.
Fix typo.
Update world-record results.
Merge branch 'master' of https://github.com/h2oai/h2o
Updated formatting in GBM vignette for better conversion for print
Merge branch 'master' of github.com:h2oai/h2o

 this merge is necessary,
hdfs NOPASS save load model test now passes
deleteHDFSDir class added
Fixed formatting/typos
Cosmetics.
Update DL spirals test.
Merge branch 'master' of https://github.com/h2oai/h2o
conn removed and replaced with h2oclient object
Integrate segment.io