Documented the js_import directive and corresponding changes. Also the following changes: - js_include is deprecated - js_access, js_content, js_filter, js_preread, js_set can now accept module.function - Example Configuration changed for both http and stream js modules.

<!--
  Copyright (C) Igor Sysoev
  Copyright (C) Nginx, Inc.
  -->

X:stylesheet {

X:param VERSION = "'development'";

X:output method="text";

X:template = "/versions" { !! "download[@tag=$VERSION][1]/item[1]/@ver"; };

}