anchor.diff:  + Request
       + Headers
       
  -            Location: /v1/areas/house/tree
  +            Location: /api/v1/areas/house/tree
   
   + Response 200 (application/json)
   
  
positive.code: 
  # Group Reservations
  
  ## Area Reservations [/v1/areas/{id}/tree/reservations{?from,to}]
  
  Return all reservatons for an area and its descendants.
  
  
negative.code:     + Attributes
          - events (array[Area Events])
  
  ## Event with Parts [/api/v1/events/{id}/tree]
  
  Return an event and all its descendants.
  
  