---
prelude: >
 -  swift_proxy_config ini provider is now used to mange
    all sections in proxy-server.conf. The erb templates
    and use of concat for proxy.conf sections has been removed.
    All template logic is moved into proxy middleware classes.
    To purge proxy.conf of settings that are not specified
    set the new paramater "purge_config" to "true".
upgrade:
  - Maintains backward compatibility.