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, 33 insertions, 0 deletions

diff --git a/kohana/core/utf8/str_split.php b/kohana/core/utf8/str_split.php
new file mode 100644
index 00000000..bc382cb6
--- /dev/null
+++ b/kohana/core/utf8/str_split.php
@@ -0,0 +1,33 @@
+<?php defined('SYSPATH') OR die('No direct access allowed.');
+/**
+ * utf8::str_split
+ *
+ * @package    Core
+ * @author     Kohana Team
+ * @copyright  (c) 2007 Kohana Team
+ * @copyright  (c) 2005 Harry Fuecks
+ * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt
+ */
+function _str_split($str, $split_length = 1)
+{
+	$split_length = (int) $split_length;
+
+	if (utf8::is_ascii($str))
+	{
+		return str_split($str, $split_length);
+	}
+
+	if ($split_length < 1)
+	{
+		return FALSE;
+	}
+
+	if (utf8::strlen($str) <= $split_length)
+	{
+		return array($str);
+	}
+
+	preg_match_all('/.{'.$split_length.'}|[^\x00]{1,'.$split_length.'}$/us', $str, $matches);
+
+	return $matches[0];
+}
\ No newline at end of file