initial migration of stats
logstash
cleanup
logstash doesn't need nginx - only the kibana dashboard does
Add 'logstash/' from commit '77b7f1b47a3c03203405e1184e85b26385011daa'

git-subtree-dir: logstash
git-subtree-mainline: 6c3db148e1dd3b356a7a9ec052e481d993e737f6
git-subtree-split: 77b7f1b47a3c03203405e1184e85b26385011daa
Update readme to list deps and what this formula does (sort of)