Exec2 unary ops in progress.
unary ops passed basic expr tests.
predict just has 'cm'
minor changes to r gbm example
corrections to glm examples
Merge branch 'master' of https://github.com/0xdata/h2o
predict has 'cm'
only 'cm' in predict
increase some timeouts. make kaggle test drf2/fvec
fixed refcnt bug in factor().
Merge branch 'master' of github.com:0xdata/h2o