code: public Link link(String name, BaseAsset asset, String url,
                       boolean onMenu) {
          return link(name, asset, url, onMenu, null);
      }
docs: Create a new link with a name.
  
  @param name   The initial name of the link.
  @param asset  The asset this link belongs to.
  @param url    The URL of the link.
  @param onMenu True to show on the asset's detail page menu.
  @return A newly minted Link that exists in the VersionOne system.