anchor.diff:      {
         "id": "21",
         "data": {
  -				  "code": "John Doe <john@doe.org>",
  -				  "display_name": "John Doe",
  +				  "code" : "John Doe <john@doe.org>",
   				  "email" : ["john@doe.org", "john.doe@gmail.com"]
   				}
   			}
  
positive.code: < 200
  < Content-Type: application/json
  {
    "code": "John Doe <john@doe.org>",
    "display_name": "John Doe",
    "email" : ["john@doe.org", "john.doe@gmail.com"]
  }
  
  
negative.code: 
  * `code` - DCP wide unique contributor identifier. It is stored into `dcp_contributors` field in content pushed into DCP and used as project identifier for Search API filters.
  * `email` - array of all email addresses used by this person for community content creation (used for code search during normalization on Content Push API). 
  
  Example of contributor configuration:
  
  ```
  {
    "code" : "John Doe <john@doe.org>",
    "email" : ["john@doe.org", "john.doe@gmail.com"]
  }
  ```
  