R support 2.14...
Tom locked master, and I would rather merge in the changes I made to R docs last night than not.

Merge branch 'master' of https://github.com/0xdata/h2o
Changes to examples in most R docs to reflect wrapper flow
Merge branch 'master' of https://github.com/0xdata/h2o

 want the stuff that's on master, like the current build, please.