Cleanup
Merge branch 'master' of https://github.com/h2oai/h2o-dev
Merge branch 'master' of https://github.com/h2oai/h2o-dev
Merge branch 'master' of https://github.com/h2oai/h2o-dev
Merge branch 'master' of https://github.com/h2oai/h2o-dev
Fix typo.
Merge branch 'master' of https://github.com/h2oai/h2o-dev
Port over (or undo cleanup) changes related to autoencoder and missing values.
Enable tests for sparse/dense matrix operations for DL.
Log the parameters when starting to build a model.
Remove validation frame from KMeans, not meaningful.
Remove progress printout.
Revert back to using 5 nodes.
Add logic (back) for autoencoder and missing values.
Cleanup.
some xl stuff with ast string asserts
a little more robust
add a couple more endpoints
Improved native python example to run gradient boosting.
rm leftover files from h2o-1 port