Skeleton runner.
Added idea files for python.
Use shutil rmtree.
Fiddle with python library stuff in IDEA.
Pass around h2o_jar.
Add signal handler.
More port tweaks.
Get test list.
Starting and killing clouds.
More tweaks to cloud start.
Starting tests.  Almost works.  Still have a bug where all tests are
going to the same cloud for some reason.
Works pretty well now.
Added a report summary.
Tweaks around cancellation.
Get rid of leading underscore in output file name.
Added some comments and documentation.
A few more refactoring tweaks.
Change a few more print statements to make the output clearer.
Log a little bit more.
Remove some more '/' to get platform independent.
Remove the last of the warnings from IDEA.
Added OPT_ARGS.base_port
Implemented running one test at a time.