reactivating old code, so it appears to work well, but still only enabling it if user = kevin, michal or jenkins . It will report on netstat ports that match the ports used for single_jvm or multi_jvm local tests, and also do some psutil stuff to check if there are other h2o's running (jars). it just prints info, doesn't do anything base on the info. uses subprocess.Popen.  Done in build_cloud() for every test (but it's done the same way, so post-push should tell us if it's sane
Merge branch 'master' of github.com:0xdata/h2o