Further static declarations of functions

Validate could probably be replaced with filter_var if desired (PHP>=5.2.0)

lib/statusnet.php

@@ -313,7 +313,7 @@ class StatusNet
         $config = array_merge($config, $settings);
     }
 
-    protected function _sn_to_path($sn)
+    protected static function _sn_to_path($sn)
     {
         $past_root = substr($sn, 1);
         $last_slash = strrpos($past_root, '/');
@@ -331,7 +331,7 @@ class StatusNet
      *
      * @throws NoConfigException
      */
-    protected function loadConfigFile($conffile=null)
+    protected static function loadConfigFile($conffile=null)
     {
         global $_server, $_path, $config;
 

plugins/OStatus/actions/pushhub.php

@@ -203,7 +203,8 @@ class PushHubAction extends Action
         $url = $this->arg($arg);
         $params = array('domain_check' => false, // otherwise breaks my local tests :P
                         'allowed_schemes' => array('http', 'https'));
-        if (Validate::uri($url, $params)) {
+        $validate = new Validate;
+        if ($validate->uri($url, $params)) {
             return $url;
         } else {
             // TRANS: Client exception.