PCA automatically expands categoricals
Hard limit on number of cols (incl expanded cats) that can be processed
both fail
Merge branch 'master' of github.com:0xdata/h2o
Cliff's fix of len for CX chunks.
Remove commented out code
Use old String.getBytes

Avoids time in charset decoder
Merge branch 'master' of github.com:0xdata/h2o
Make isEOL more picky about which whitespace characters are really EOL.
Add more pow10i cases.
Remove assert in pow10i.
added y=x to ROC and color
typo
Remove unimpl's

Was implemented last pass
Remove double-parsing during unzip

Help remove double-parsing during unzip by allowing the next parse line
to start where the last one left off - at chunk borders.
1-entry cache for sparse compression schemes to dodge the binary search.
Make some constants 'static'
Allow FileVec to have it's own chunk-sz different from VA chunks
Add to clean.
Nodesize configuration in test.
User message regarding variable importance.
Fix of division by 0 resulting into Float.NA
Fix of missing assignment leading to saving old CM.
A simple graph to show variable importance.

Spencer's code generating graph refined into two parts:
 - JS code providing a function drawing a SVG
 - CSS defining visuals of graph

The HTML code has to include JS as well as CSS (via <style
scoped>@import url('url')</style>

D3 library replaced by packed version to safe the network traffic ;-)