code: public Result redirect(String url) {
          
          status(Result.SC_303_SEE_OTHER);
          addHeader(Result.LOCATION, url);
          
          return this;
      }
docs: A redirect that uses 303 see other.
  
  @param url
  The url used as redirect target.
  @return A nicely configured result with status code 303 and the url set
  as Location header.