initial migration of stats
Use extracted logstash-formula (and its dependancies)
Add 'rabbitmq/' from commit 'c669d6933c0f7b2f132a7e7b0118ce547e07c2ed'

git-subtree-dir: rabbitmq
git-subtree-mainline: a3012354b3d66bce10bd42fad7a5b1820138724a
git-subtree-split: c669d6933c0f7b2f132a7e7b0118ce547e07c2ed