Added *jar and out into ignore list.
Initial migration of h2o-scala into master.

The files are migrated from h2oscala branch and
slightly modified.
Added shutdown method for a node.
Doc updated - export Eclipse project from sbt.
Removing weaver debug.
Fixed Scala compilation problems.
Missing Scalala string.
Added all H2O dependencies into sbt to allow for launching ScalalaREPL
Proper configuration of REPL to allow for launching from sbt.

The solution is not perfect since we should setup app.class.path
resources.
Clean-up of dead code.
Plug-in Shalala into Makefile infrastructure.
SBT build file updated.
Scalac needs to know source code of the annotation to compile code.
New version of sbt-eclipse plugin does not support unmanagedClasspath.

The unmanagedClasspath is not generated in Eclipse .classpath file.
See https://github.com/typesafehub/sbteclipse/issues/182
Minor tweaks in DSL.

Helper methods for parsing and fixed example.
README updated
Added a plugin for generation idea projects.

See https://github.com/mpeltonen/sbt-idea
Added missing files.
Ignore Eclipse+Idea project files.

The files can be autogenerated by sbt commands eclipse / gen-idea .