Remove DOS Ctrl-Ms.
Instead of deleting a line from the data frame, delete characters at the end
of the string buffer.

There was a problem where an additional level coded to the value of 1 was
creeping in due to the blank line getting turned into N/As.
Ignore Rsandbox directories.
Remove incorrect distance calculation.
Factor out _calc_test_short_dir.
Don't comment out -ea.
Passes now.
Rename main to PredictCSV.
Factored out the shared part of GBM javapredict test.
some updates for test.0xdata.com
Merge branch 'master' of github.com:0xdata/h2o
Add randomness.
Merge branch 'master' of github.com:0xdata/h2o
have every test generate and store their own seed (reused for each test, unless destroyed)
Merge branch 'master' of https://github.com/0xdata/h2o
print seed being used to preamble
updates
add some NAs
add between clust SS, total SS, rename error to within cluster SS, better UI
Merge branch 'master' of https://github.com/0xdata/h2o