RabbitMQ element: Move /var/run/rabbitmq

Move creation of the folder /var/run/rabbitmq so that it get's created before
the server is started.

Closes-Bug: #1334235

Change-Id: I0bf2a6ba3bb36c0155752c2de0e2caed25b9a265
Correctly set swift proxy bind ip

Swift proxy bind ip is set via bind_ip, not bind_host.

Change-Id: I316248f96432f3db535b0c60c12b36bda1f943e6
Merge "Correctly set swift proxy bind ip"
Merge "RabbitMQ element: Move /var/run/rabbitmq"