anchor.diff:  
   ## Area Events [/v1/areas/{id}/events{?from,to}]
   
  -Return event info for an area.
  +Return abbreviated event info for an area.
  +
  ++ Parameters
  +    - id: house (string) - area guid
  +    - from: `2015-11-21@17:54` (string) - lower bound
  +    - to: `2015-11-31@17:54` (string) - upper bound
   
   + Attributes
       - events (array)
  
positive.code:         - position
              - x: 50 (number)
              - y: 50 (number)
          - size (object)
              - width: 100 (number)
              - height: 50 (number)
      - (object)
  
negative.code: 
  # house_tree
  - areas (array)
          - (house_single)
      - (object)
          - id: kitchen
          - image_url: kitchen.svg
  