public static String getDescription( Path pluginDir )
    {
        final String name = getCanonicalName( pluginDir );
        final String description = getElementValue( pluginDir, "/plugin/description" );
        return AdminConsole.getAdminText( description, name );
    }
Returns the description of a plugin. The value is retrieved from the plugin.xml file of the plugin. If the value
could not be found, {@code null} will be returned.

@param pluginDir the path of the plugin directory.
@return the plugin's description.
xmppserver/src/main/java/org/jivesoftware/openfire/container/PluginMetadataHelper.java