Many updates for KMeans2 and related tests
Merge branch 'master' of https://github.com/0xdata/h2o
Totally stock NanoHTTPD 2.0.5.
A few very small changes to stock NanoHTTPD.

Added a constructor that takes a ServerSocket.
Use the ServerSocket in start() if it exists.
Changed package to water.
Suppress deprecation warning.
Port changes to get the latest version of NanoHTTPD to work.

The biggest real change here is POSTed files get written to disk temporarily
instead of being stored only in memory.  This is the behavior of NanoHTTPD,
which in this version can has support for POST.
Merge branch 'master' into tomk-ux
Put a $ at the end of re.match check for runit.
When multiple identical keys are presented, they get appended with a comma between them.
This is compatible with the previous behavior of NanoHTTPD.
assign man
edit assign man
assign edit
add runif man
edit runif
ls man and minor edits to man docs
h2o.rm man added and minor edits
edit to init
minor edits (spelling)
temp remove R tutorial
Added use non-local data param to RF and updated docs