anchor.diff:                  "profileName": "An example profile",
                   "profileData": {
                       'a': {
  -                        'x' :4 
  +                        'x' :4
                       }
                   },
                   "timestamp" : "2012-04-23T18:25:43.511Z",
  
positive.code: + Response 200
  
      [Device][]
      
  ### Register a device [DELETE]
  
  Deregisters (disconnnects) a *Device*.
  
negative.code: 
  + Parameters
      + projectId (string) ... The unique identifier of the project (_id).
  
  + Model (application/json)
  
      A basic description of a project.
  