Preliminary work to cut over to Kohana 2.4

- Kohana::log() -> Kohana_Log::add()
- Kohana::config_XXX -> Kohana_Config::instance()->XXX
- Implement View::set_global in MY_View
- Updated Cache_Database_Driver to latest APIs
- ORM::$loaded -> ORM::loaded()
- Updated item::viewable() to use K2.4 parenthesization

modules/comment/controllers/admin_comments.php

@@ -110,7 +110,7 @@ class Admin_Comments_Controller extends Admin_Controller {
 
     $comment = ORM::factory("comment", $id);
     $orig = clone $comment;
-    if ($comment->loaded) {
+    if ($comment->loaded()) {
       $comment->state = $state;
       $comment->save();
     }

modules/comment/models/comment.php

@@ -59,7 +59,7 @@ class Comment_Model extends ORM {
   public function save() {
     if (!empty($this->changed)) {
       $this->updated = time();
-      if (!$this->loaded && empty($this->created)) {
+      if (!$this->loaded() && empty($this->created)) {
         $this->created = $this->updated;
         $created = true;
       }

modules/comment/tests/Comment_Event_Test.php

@@ -27,6 +27,6 @@ class Comment_Event_Test extends Unit_Test_Case {
     $album->delete();
 
     $deleted_comment = ORM::factory("comment", $comment->id);
-    $this->assert_false($deleted_comment->loaded);
+    $this->assert_false($deleted_comment->loaded());
   }
 }