Add hex/Quantiles work-in-progress. Had to comment out NN from water/api/RequestServer.java
Fix name of quantile_a..f for API
RequestServer: comment out NN and include Quantiles
C2Chunk: debugging null ptr
Merge branch 'stephen_quantiles'
Rewrite Quantiles with bin-based MR algorithm. Partition HTML stuff into QuantilesPage, similar to Summary/SummaryPage.
Merge branch 'master' of https://github.com/0xdata/h2o