Fix compiler warnings.
Rename num_folds to n_folds to be consistent with GLM2.
Frame extractor.
Frame extractor test.
Frame extractor page.
N-fold frame split integrated into inspect page.
Minor change in naming convention.

Use N-Fold frame extractor name in consistent way.
Iris test for n-fold frame extractor.
wait N secs after job cancel before reusing model key
Merge branch 'master' of github.com:0xdata/h2o
changed expected NN2 result/tolerance
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.