Modified files need to be copied into the right place. The checkout
on git.humbughq.com also needs to be updated.
(imported from commit dbe9e05a0512e1f59c7819dd8d44c2c4e9c83bcf)
When deploying to prod, this will require a manual install of the
rabbitmq_* files to /etc/munin/plugins/ and an edit of
/etc/munin/plugin-conf.d/munin-node.conf
(imported from commit 4c10e634b04200dda1c4f4989e37fe232143240f)