Moves Swift Networking Definitions to Separate Yaml Files

Previously, Swift networking-related definitions in the HA data
mappings.  This change moves the definitions to node hostnames.
In the future, the definitions may be moved down the hierarchy,
but currently this is a working model for the HA architecture.
Merge pull request #224 from CiscoSystems/swift_networking

Moves Swift Networking Definitions to Separate Yaml Files