Added possibility for templates to register a central function

serendipity_plugin_api_event_hook() and
      serendipity_plugin_api_pre_event_hook()

templates/bulletproof/config.inc.php

@@ -13,6 +13,18 @@ include dirname(__FILE__) . '/lang_en.inc.php';
 
 $serendipity['smarty']->assign(array('currpage'=> "http://".$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']));
 
+function serendipity_plugin_api_event_hook($event, &$bag, &$eventData, $addData = null) {
+    global $serendipity;
+    
+    switch($event) {
+        case 'frontend_footer':
+            echo '<!--PLUGIN API-->';
+    }
+
+    return true;
+}
+
+
 if ($serendipity['GET']['adminModule'] == 'templates') {
     $css_files = glob(dirname(__FILE__) . '/*_style.css');
     foreach($css_files AS $css_file) {