Beginnings of 1st class functions

Gotz to have 'em to run anything R-like.
Besides, they're fun.
Merge branch 'master' of github.com:0xdata/h2o
increased timeout so 13bill. row glm passes
Merge branch 'master' of https://github.com/0xdata/h2o
Merge branch 'master' of github.com:0xdata/h2o