- added inqGuide.api.getAllFormData to obtain form data for all nodes (for
  agent datapass)
- merged "Guide" and "Version" models into a single "Automaton" model"
added support for prototype inheritence
added support for Node.is_exit_node boolean property
- templates must now be explicitly assiged at teh node level (or via
  data-tempalte attributes). Suppor tfor Template.node_types property is
  removed.
- removed support for Categores.  (Use Node prototypes instead)
- renamed "channel" to "business_unit_id"
- enabled support for agent routing based on agent group ID