{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "corporate_information_pages": {
      "$ref": "#/definitions/guid_list"
    },
    "organisations": {
      "description": "All organisations linked to this content item. This should include lead organisations.",
      "$ref": "#/definitions/guid_list"
    },
    "parent": {
      "description": "The parent content item.",
      "maxItems": 1,
      "$ref": "#/definitions/guid_list"
		}
	}
}

Add edition links for corporate information pages
Add edition links for corporate information pages

Corporate information pages have `parent` and `organisation` links that
are not currently being sent with first draft versions. This is causing
500s in preview as the organisation brand cannot be determined.

This commit adds edition level links to allow them to be sent with the
drafts.
