Cleanup grid search vs non-grid search.
Cosmetics - Improve extraction of parameters from grid search model
Merge branch 'master' of https://github.com/0xdata/h2o
move h2o_log_msg inside the try/except during cloud build, so if it blows up during setupClass, the h2o jars are killed.
GLM vignette:
Changed introduction, added Generalized Linear Model  and Elastic Net Penalty sections.