We have hardcoded Unix-style newlines in PluginInfo.toString. We should use `System.lineSeparator()` instead.
server/src/main/java/org/elasticsearch/plugins/PluginInfo.java
* @return the plugin name
     */
    public String getName() {
        return name;
    }
    /**
     * The description of the plugin.
     *
     * @return the plugin description
     */
    public String getDescription() {
        return description;
    }
    /**
     * The entry point to the plugin.
     *
     * @return the entry point to the plugin
     */
    public String getClassname() {
        return classname;
    }
    /**
     * The module name of the plugin.
     *
     * @return the module name of the plugin
     */
    public Optional<String> getModuleName() {
        return Optional.ofNullable(moduleName);
    }
    /**