Fix PUB-593: Implement Predict() for DeepLearning in R.
Allow arrays-of-freezable

Remove another instnace of a useless google lib causing h2o-matrix to
not run
Merge branch 'master' of github.com:0xdata/h2o
Fix of lost classification argument value.

GridSearch was reseting arguments to not-set state,
which was checked by ModelJob leading to bad decisions about
classification field.
Merge branch 'master' of github.com:0xdata/h2o
Scrape out help too.
Merge branch 'master' of github.com:0xdata/h2o
fix pesky errors related to bad column selection and Undefined Columns
Keep code clean and delete references from application code
to test code (e.g., unused imports)
Added cm and roc demo on airlines to runit
Merge branch 'master' of https://github.com/0xdata/h2o
PUB-498: Allow the user to specify sparse data handling, and column major format for input weight matrix.
Add JUnit test for sparse.
Work on PUB-596, Replace missing columns during Model.adapt() with NaNs except for sparse DeepLearning (where they are replaced with 0s).
Merge branch 'master' of https://github.com/0xdata/h2o
put ch-0 back in
Fix for PUB-321. Add option to automatically drop cols with >= 20% NAs in KMeans2. Defaults to TRUE in the browser and FALSE in R. Will throw an exception if dropping NA cols results in an empty source frame.
PUB-537: Update parameters for DeepLearning in R.
PUB-537: Add documentation for DeepLearning in R.
Merge branch 'master' of https://github.com/0xdata/h2o