diff --git a/library/smarty/libs/plugins/modifier.escape.php b/library/smarty/libs/plugins/modifier.escape.php
deleted file mode 100644
--- a/library/smarty/libs/plugins/modifier.escape.php
+++ /dev/null
@@ -1,197 +0,0 @@
-<?php
-/**
- * Smarty plugin
- *
- * @package    Smarty
- * @subpackage PluginsModifier
- */
-
-/**
- * Smarty escape modifier plugin
- * Type:     modifier<br>
- * Name:     escape<br>
- * Purpose:  escape string for output
- *
- * @link   http://www.smarty.net/docs/en/language.modifier.escape
- * @author Monte Ohrt <monte at ohrt dot com>
- *
- * @param string $string input string
- * @param string $esc_type escape type
- * @param string $char_set character set, used for htmlspecialchars() or htmlentities()
- * @param boolean $double_encode encode already encoded entitites again, used for htmlspecialchars() or htmlentities()
- *
- * @return string escaped input string
- */
-function smarty_modifier_escape($string, $esc_type = 'html', $char_set = null, $double_encode = true) {
-    static $_double_encode = null;
-    if ($_double_encode === null) {
-        $_double_encode = version_compare(PHP_VERSION, '5.2.3', '>=');
-    }
-
-    if (!$char_set) {
-        $char_set = Smarty::$_CHARSET;
-    }
-
-    switch ($esc_type) {
-        case 'html':
-            if ($_double_encode) {
-                // php >=5.3.2 - go native
-                return htmlspecialchars($string, ENT_QUOTES, $char_set, $double_encode);
-            } else {
-                if ($double_encode) {
-                    // php <5.2.3 - only handle double encoding
-                    return htmlspecialchars($string, ENT_QUOTES, $char_set);
-                } else {
-                    // php <5.2.3 - prevent double encoding
-                    $string = preg_replace('!&(#?\w+);!', '%%%SMARTY_START%%%\\1%%%SMARTY_END%%%', $string);
-                    $string = htmlspecialchars($string, ENT_QUOTES, $char_set);
-                    $string = str_replace(array('%%%SMARTY_START%%%', '%%%SMARTY_END%%%'), array('&', ';'), $string);
-
-                    return $string;
-                }
-            }
-
-        case 'htmlall':
-            if (Smarty::$_MBSTRING) {
-                // mb_convert_encoding ignores htmlspecialchars()
-                if ($_double_encode) {
-                    // php >=5.3.2 - go native
-                    $string = htmlspecialchars($string, ENT_QUOTES, $char_set, $double_encode);
-                } else {
-                    if ($double_encode) {
-                        // php <5.2.3 - only handle double encoding
-                        $string = htmlspecialchars($string, ENT_QUOTES, $char_set);
-                    } else {
-                        // php <5.2.3 - prevent double encoding
-                        $string = preg_replace('!&(#?\w+);!', '%%%SMARTY_START%%%\\1%%%SMARTY_END%%%', $string);
-                        $string = htmlspecialchars($string, ENT_QUOTES, $char_set);
-                        $string = str_replace(array('%%%SMARTY_START%%%', '%%%SMARTY_END%%%'), array('&', ';'), $string);
-
-                        return $string;
-                    }
-                }
-
-                // htmlentities() won't convert everything, so use mb_convert_encoding
-                return mb_convert_encoding($string, 'HTML-ENTITIES', $char_set);
-            }
-
-            // no MBString fallback
-            if ($_double_encode) {
-                return htmlentities($string, ENT_QUOTES, $char_set, $double_encode);
-            } else {
-                if ($double_encode) {
-                    return htmlentities($string, ENT_QUOTES, $char_set);
-                } else {
-                    $string = preg_replace('!&(#?\w+);!', '%%%SMARTY_START%%%\\1%%%SMARTY_END%%%', $string);
-                    $string = htmlentities($string, ENT_QUOTES, $char_set);
-                    $string = str_replace(array('%%%SMARTY_START%%%', '%%%SMARTY_END%%%'), array('&', ';'), $string);
-
-                    return $string;
-                }
-            }
-
-        case 'url':
-            return rawurlencode($string);
-
-        case 'urlpathinfo':
-            return str_replace('%2F', '/', rawurlencode($string));
-
-        case 'quotes':
-            // escape unescaped single quotes
-            return preg_replace("%(?<!\\\\)'%", "\\'", $string);
-
-        case 'hex':
-            // escape every byte into hex
-            // Note that the UTF-8 encoded character ä will be represented as %c3%a4
-            $return = '';
-            $_length = strlen($string);
-            for ($x = 0; $x < $_length; $x++) {
-                $return .= '%' . bin2hex($string[$x]);
-            }
-
-            return $return;
-
-        case 'hexentity':
-            $return = '';
-            if (Smarty::$_MBSTRING) {
-                require_once(SMARTY_PLUGINS_DIR . 'shared.mb_unicode.php');
-                $return = '';
-                foreach (smarty_mb_to_unicode($string, Smarty::$_CHARSET) as $unicode) {
-                    $return .= '&#x' . strtoupper(dechex($unicode)) . ';';
-                }
-
-                return $return;
-            }
-            // no MBString fallback
-            $_length = strlen($string);
-            for ($x = 0; $x < $_length; $x++) {
-                $return .= '&#x' . bin2hex($string[$x]) . ';';
-            }
-
-            return $return;
-
-        case 'decentity':
-            $return = '';
-            if (Smarty::$_MBSTRING) {
-                require_once(SMARTY_PLUGINS_DIR . 'shared.mb_unicode.php');
-                $return = '';
-                foreach (smarty_mb_to_unicode($string, Smarty::$_CHARSET) as $unicode) {
-                    $return .= '&#' . $unicode . ';';
-                }
-
-                return $return;
-            }
-            // no MBString fallback
-            $_length = strlen($string);
-            for ($x = 0; $x < $_length; $x++) {
-                $return .= '&#' . ord($string[$x]) . ';';
-            }
-
-            return $return;
-
-        case 'javascript':
-            // escape quotes and backslashes, newlines, etc.
-            return strtr($string, array('\\' => '\\\\', "'" => "\\'", '"' => '\\"', "\r" => '\\r', "\n" => '\\n', '</' => '<\/'));
-
-        case 'mail':
-            if (Smarty::$_MBSTRING) {
-                require_once(SMARTY_PLUGINS_DIR . 'shared.mb_str_replace.php');
-
-                return smarty_mb_str_replace(array('@', '.'), array(' [AT] ', ' [DOT] '), $string);
-            }
-            // no MBString fallback
-            return str_replace(array('@', '.'), array(' [AT] ', ' [DOT] '), $string);
-
-        case 'nonstd':
-            // escape non-standard chars, such as ms document quotes
-            $return = '';
-            if (Smarty::$_MBSTRING) {
-                require_once(SMARTY_PLUGINS_DIR . 'shared.mb_unicode.php');
-                foreach (smarty_mb_to_unicode($string, Smarty::$_CHARSET) as $unicode) {
-                    if ($unicode >= 126) {
-                        $return .= '&#' . $unicode . ';';
-                    } else {
-                        $return .= chr($unicode);
-                    }
-                }
-
-                return $return;
-            }
-
-            $_length = strlen($string);
-            for ($_i = 0; $_i < $_length; $_i++) {
-                $_ord = ord(substr($string, $_i, 1));
-                // non-standard char, escape it
-                if ($_ord >= 126) {
-                    $return .= '&#' . $_ord . ';';
-                } else {
-                    $return .= substr($string, $_i, 1);
-                }
-            }
-
-            return $return;
-
-        default:
-            return $string;
-    }
-}