rebalance input is 'source' now
switch to using covtype
frame key was being passed into the job key's spot fixes python test
moving some things to fvec
Merge branch 'master' of github.com:0xdata/h2o
just test copying data frames in exec
Cleanup Cross-Validation: Print the xval model keys in JSON and HTML.
Only show cross-val model keys after they are built, otherwise show "In progress".
Fix NPE.
After checkpoint restart, remove previous cross-validation model keys (they are no longer useful).
Merge branch 'master' of https://github.com/0xdata/h2o
Make dataKey/testKey to be the source._key and validation._key, such that the
right frames are referenced from the model page.
Avoid displaying the CM twice for binary classifiers.
PUB-111 and PUB-271: Print yarn logs command as part of stdout.
Use the N-fold frame extractor to allow N-fold cross-validation instead of 2-fold only.
Merge branch 'master' of github.com:0xdata/h2o
Fix typo.
Merge branch 'master' of https://github.com/0xdata/h2o
Moved crossValidation method from ModelUtils to  CrossValUtils
to get a rid of NoClassFoundException if using generated code.
Never show the last (N+1-th) MSE for GBM/DRF if cross-validation is done
(contains cross-validation results).