anchor.diff:  ### List all Image Transformations [GET]
   
   Returns all available Image Transformations for a given Image in a form of an array of Image Transformation objects (see Image Transformation section for details).
  -
  -Note: all returned images will be in the _thumbnail_ view.
   
   + Parameters
       + since (optional, string, `2014%2D11%2D05T10%3A00%3A00Z`) ... A timestamp in ISO 8601 format: _YYYY-MM-DDThh:mmZ_. Only image transformations created at or after this time are returned.
  
positive.code:         + Values
              + `desc`
              + `asc`
  
  + Response 200 (application/json)
  
  
negative.code: - name (string): Image Transformation name
  - description (string): Image Transformation description
  - created_by (object): Creator of the Image Transformation. See _User_ resource for detailed description
  - content_url (string): Returned image content in a form of a URL (i.e., an extra request must be made to actually get the raw image data)
  - content_type (string): Returned image [Media Type](http://www.iana.org/assignments/media-types/media-types.xhtml#image)
  - width (integer): Returned image width in pixels
  - height (integer): Returned image height in pixels
  - size (integer): Returned image size in bytes
  - view_type (optional, string): Returned image view type. See _view_type_ parameter description
  
  The states _id_, _created_at_, and _created_by_ are assigned by the Futurimages API at the moment of upload.
  
  