Refresh kohana from upstream svn trunk r3771.

During this process, remove a considerable number of files from kohana
that we will not be needing in Gallery3, including the following files
and directories:
    kohana/application
    kohana/example.htaccess
    kohana/index.php
    kohana/install.php
    kohana/kohana.png
    kohana/modules/archive
    kohana/modules/auth
    kohana/modules/flot
    kohana/modules/gmaps
    kohana/modules/kodoc
    kohana/modules/payment
    kohana/modules/smarty
    kohana/modules/unit_test/i18n
    kohana/modules/unit_test/tests/Example_Test.php
    kohana/modules/unit_test/tests/Valid_Test.php
    kohana/system/config/captcha.php
    kohana/system/controllers/captcha.php
    kohana/system/fonts
    kohana/system/i18n
    kohana/system/libraries/Calendar.php
    kohana/system/libraries/Calendar_Event.php
    kohana/system/libraries/Captcha.php
    kohana/system/libraries/Tagcloud.php
    kohana/system/vendor
    kohana/system/views/pagination
    kohana/system/views/kohana_calendar.php

1 files changed, 53 insertions, 0 deletions

diff --git a/kohana/libraries/drivers/Cache/Apc.php b/kohana/libraries/drivers/Cache/Apc.php
new file mode 100644
index 00000000..39d47dd3
--- /dev/null
+++ b/kohana/libraries/drivers/Cache/Apc.php
@@ -0,0 +1,53 @@
+<?php defined('SYSPATH') OR die('No direct access allowed.');
+/**
+ * APC-based Cache driver.
+ *
+ * $Id$
+ *
+ * @package    Cache
+ * @author     Kohana Team
+ * @copyright  (c) 2007-2008 Kohana Team
+ * @license    http://kohanaphp.com/license.html
+ */
+class Cache_Apc_Driver implements Cache_Driver {
+
+	public function __construct()
+	{
+		if ( ! extension_loaded('apc'))
+			throw new Kohana_Exception('cache.extension_not_loaded', 'apc');
+	}
+
+	public function get($id)
+	{
+		return (($return = apc_fetch($id)) === FALSE) ? NULL : $return;
+	}
+
+	public function set($id, $data, $tags, $lifetime)
+	{
+		count($tags) and Kohana::log('error', 'Cache: tags are unsupported by the APC driver');
+
+		return apc_store($id, $data, $lifetime);
+	}
+
+	public function find($tag)
+	{
+		return FALSE;
+	}
+
+	public function delete($id, $tag = FALSE)
+	{
+		if ($id === TRUE)
+			return apc_clear_cache('user');
+
+		if ($tag == FALSE)
+			return apc_delete($id);
+
+		return TRUE;
+	}
+
+	public function delete_expired()
+	{
+		return TRUE;
+	}
+
+} // End Cache APC Driver
\ No newline at end of file