Enable swift support for Ursula

This checkin enables swift support for ursula.
Update swift endpoints to use fqdn

This had previously been the undercloud swift FIP.
Rename swift_proxy to swiftnode

As we are shipping all swift nodes as the same, call these swiftnodes.
Add dispersion tools configuration

These dispersion tools will provide cluster health stats for us.
Merge pull request #243 from craigtracey/swiftfinal

Enable swift support for Ursula