anchor.diff:  This does not delete the underlying Media instance, just the link to it.
   If this was the last link to the Media, it will be garbage collected eventually.
   
  -+ Response 204
  ++ Response 200
  +    [Media][]
   
   
   ## Media collection [/works/{workID}/media{?annotations}]
  
positive.code: Only properties included in the request are changed.
  
  + Request (application/json)
      [Annotation][]
  
  + Response 200 (application/json)
      [Annotation][]
  
negative.code: + Model
      + Headers
      
              Link: <https://catalog.elog.io/works/5396e592d7d163613d7321ee/media/6e1ee592539d7d163613d732>;rel="self"
  
      + Body
  
              {
                  "id": "6e1ee592539d7d163613d732",
                  "href": "https://catalog.elog.io/works/5396e592d7d163613d7321ee/media/6e1ee592539d7d163613d732",
                  
                  "added_by": {
                      "id": "someUserID",
                      "href":  "https://catalog.elog.io/users/someUserID"
                  },
                  "added_at": "2014-04-14T02:15:15Z",
                  
                  "annotations": [{
                          "id": "63613d7321ee5396e592d7d1",
                          "updated_by": {
                              "id": "anotherUserID",
                              "href": "https://catalog.elog.io/users/anotherUserID"
                          },
                          "updated_at": "2014-04-14T02:15:15Z",
                          "score": 100,
                          "property": {
                              "propertyName": "title",
                              "value": "Title of the work",
                              "titleLabel": "Title of the work"
                          }
                      }],
                  "metadata": {
  