lots of formats for reals in libsvm format
Bugfix of svmlight parser. Correctly handle enums(i.e. don't, keep the Enum [] array as null and don't use it anywhere) when doing sum light parse.
Add a paranoid clean at the top of nightly build stuff.
Clean wipes out target completely.
Merge branch 'master' of github.com:0xdata/h2o
added sum light support for fluid vecs.
Merge branch 'master' of github.com:0xdata/h2o
add some more cases
Merge branch 'master' of github.com:0xdata/h2o
Can specify x_ignore in RF using both col header names or indices
Merge branch 'master' of https://github.com/0xdata/h2o
Added  svmlight test to ParserTest and fixed svmlight bug: zeros of columns not present in the given line were not added in pass 1, however, which cause incorrect encoding to be selected and incorrect parsed values.
Merge branch 'master' of github.com:0xdata/h2o
DRF-from-browser

Link to a DRF browser page from Inspect2.
Remove default constructors from H2OHexKey.
Support weaving docs for API subclasses.
DRF supports an initial random seed, better sampled-out asserts.
DRF supports NA's or dup records which cannot be predicted.
DRF scoring better supports untrained rows which do not land in any leaf
bin.
More robust debug printing.
Merge branch 'master' of github.com:0xdata/h2o
Added missing new class (for svmlight on fluid vecs) from my previous commits.
Merge branch 'master' of github.com:0xdata/h2o
Fix integration issues
updated with more checks
Merge branch 'master' of github.com:0xdata/h2o
Merge branch 'master' of github.com:0xdata/h2o