anchor.diff:  
   # Group Reservations
   
  -## Area Reservations [/v1/areas/{id}/tree/reservations{?from,to}]
  +## Area Reservations [/api/v1/areas/{id}/tree/reservations{?from,to}]
   
   Return all reservatons for an area and its descendants.
   
  
positive.code:     + Attributes
          - events (array[Area Events])
  
  ## Event with Parts [/v1/events/{id}/tree]
  
  Return an event and all its descendants.
  
  
negative.code: 
  Areas recursively represent the spaces available.
  
  ## Area with Descendants [/api/v1/areas/{id}/tree]
  
  + Parameters
    - id: house (string) - guid of area to return
  