diff --git a/library/smarty/libs/sysplugins/smarty_internal_data.php b/library/smarty/libs/sysplugins/smarty_internal_data.php
deleted file mode 100644
--- a/library/smarty/libs/sysplugins/smarty_internal_data.php
+++ /dev/null
@@ -1,389 +0,0 @@
-<?php
-/**
- * Smarty Internal Plugin Data
- * This file contains the basic classes and methods for template and variable creation
- *
- * @package    Smarty
- * @subpackage Template
- * @author     Uwe Tews
- */
-
-/**
- * Base class with template and variable methods
- *
- * @package    Smarty
- * @subpackage Template
- */
-class Smarty_Internal_Data {
-    /**
-     * name of class used for templates
-     *
-     * @var string
-     */
-    public $template_class = 'Smarty_Internal_Template';
-    /**
-     * template variables
-     *
-     * @var array
-     */
-    public $tpl_vars = array();
-    /**
-     * parent template (if any)
-     *
-     * @var Smarty_Internal_Template
-     */
-    public $parent = null;
-    /**
-     * configuration settings
-     *
-     * @var array
-     */
-    public $config_vars = array();
-
-    /**
-     * assigns a Smarty variable
-     *
-     * @param  array|string $tpl_var the template variable name(s)
-     * @param  mixed $value the value to assign
-     * @param  boolean $nocache if true any output of this variable will be not cached
-     *
-     * @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining
-     */
-    public function assign($tpl_var, $value = null, $nocache = false) {
-        if (is_array($tpl_var)) {
-            foreach ($tpl_var as $_key => $_val) {
-                if ($_key != '') {
-                    $this->tpl_vars[$_key] = new Smarty_Variable($_val, $nocache);
-                }
-            }
-        } else {
-            if ($tpl_var != '') {
-                $this->tpl_vars[$tpl_var] = new Smarty_Variable($value, $nocache);
-            }
-        }
-
-        return $this;
-    }
-
-    /**
-     * assigns a global Smarty variable
-     *
-     * @param  string $varname the global variable name
-     * @param  mixed $value the value to assign
-     * @param  boolean $nocache if true any output of this variable will be not cached
-     *
-     * @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining
-     */
-    public function assignGlobal($varname, $value = null, $nocache = false) {
-        if ($varname != '') {
-            Smarty::$global_tpl_vars[$varname] = new Smarty_Variable($value, $nocache);
-            $ptr = $this;
-            while ($ptr instanceof Smarty_Internal_Template) {
-                $ptr->tpl_vars[$varname] = clone Smarty::$global_tpl_vars[$varname];
-                $ptr = $ptr->parent;
-            }
-        }
-
-        return $this;
-    }
-
-    /**
-     * assigns values to template variables by reference
-     *
-     * @param string $tpl_var the template variable name
-     * @param          $value
-     * @param  boolean $nocache if true any output of this variable will be not cached
-     *
-     * @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining
-     */
-    public function assignByRef($tpl_var, &$value, $nocache = false) {
-        if ($tpl_var != '') {
-            $this->tpl_vars[$tpl_var] = new Smarty_Variable(null, $nocache);
-            $this->tpl_vars[$tpl_var]->value = &$value;
-        }
-
-        return $this;
-    }
-
-    /**
-     * appends values to template variables
-     *
-     * @param  array|string $tpl_var the template variable name(s)
-     * @param  mixed $value the value to append
-     * @param  boolean $merge flag if array elements shall be merged
-     * @param  boolean $nocache if true any output of this variable will be not cached
-     *
-     * @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining
-     */
-    public function append($tpl_var, $value = null, $merge = false, $nocache = false) {
-        if (is_array($tpl_var)) {
-            // $tpl_var is an array, ignore $value
-            foreach ($tpl_var as $_key => $_val) {
-                if ($_key != '') {
-                    if (!isset($this->tpl_vars[$_key])) {
-                        $tpl_var_inst = $this->getVariable($_key, null, true, false);
-                        if ($tpl_var_inst instanceof Smarty_Undefined_Variable) {
-                            $this->tpl_vars[$_key] = new Smarty_Variable(null, $nocache);
-                        } else {
-                            $this->tpl_vars[$_key] = clone $tpl_var_inst;
-                        }
-                    }
-                    if (!(is_array($this->tpl_vars[$_key]->value) || $this->tpl_vars[$_key]->value instanceof ArrayAccess)) {
-                        settype($this->tpl_vars[$_key]->value, 'array');
-                    }
-                    if ($merge && is_array($_val)) {
-                        foreach ($_val as $_mkey => $_mval) {
-                            $this->tpl_vars[$_key]->value[$_mkey] = $_mval;
-                        }
-                    } else {
-                        $this->tpl_vars[$_key]->value[] = $_val;
-                    }
-                }
-            }
-        } else {
-            if ($tpl_var != '' && isset($value)) {
-                if (!isset($this->tpl_vars[$tpl_var])) {
-                    $tpl_var_inst = $this->getVariable($tpl_var, null, true, false);
-                    if ($tpl_var_inst instanceof Smarty_Undefined_Variable) {
-                        $this->tpl_vars[$tpl_var] = new Smarty_Variable(null, $nocache);
-                    } else {
-                        $this->tpl_vars[$tpl_var] = clone $tpl_var_inst;
-                    }
-                }
-                if (!(is_array($this->tpl_vars[$tpl_var]->value) || $this->tpl_vars[$tpl_var]->value instanceof ArrayAccess)) {
-                    settype($this->tpl_vars[$tpl_var]->value, 'array');
-                }
-                if ($merge && is_array($value)) {
-                    foreach ($value as $_mkey => $_mval) {
-                        $this->tpl_vars[$tpl_var]->value[$_mkey] = $_mval;
-                    }
-                } else {
-                    $this->tpl_vars[$tpl_var]->value[] = $value;
-                }
-            }
-        }
-
-        return $this;
-    }
-
-    /**
-     * appends values to template variables by reference
-     *
-     * @param  string $tpl_var the template variable name
-     * @param  mixed &$value the referenced value to append
-     * @param  boolean $merge flag if array elements shall be merged
-     *
-     * @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining
-     */
-    public function appendByRef($tpl_var, &$value, $merge = false) {
-        if ($tpl_var != '' && isset($value)) {
-            if (!isset($this->tpl_vars[$tpl_var])) {
-                $this->tpl_vars[$tpl_var] = new Smarty_Variable();
-            }
-            if (!is_array($this->tpl_vars[$tpl_var]->value)) {
-                settype($this->tpl_vars[$tpl_var]->value, 'array');
-            }
-            if ($merge && is_array($value)) {
-                foreach ($value as $_key => $_val) {
-                    $this->tpl_vars[$tpl_var]->value[$_key] = &$value[$_key];
-                }
-            } else {
-                $this->tpl_vars[$tpl_var]->value[] = &$value;
-            }
-        }
-
-        return $this;
-    }
-
-    /**
-     * Returns a single or all template variables
-     *
-     * @param  string $varname variable name or null
-     * @param  object $_ptr optional pointer to data object
-     * @param  boolean $search_parents include parent templates?
-     *
-     * @return string  variable value or or array of variables
-     */
-    public function getTemplateVars($varname = null, $_ptr = null, $search_parents = true) {
-        if (isset($varname)) {
-            $_var = $this->getVariable($varname, $_ptr, $search_parents, false);
-            if (is_object($_var)) {
-                return $_var->value;
-            } else {
-                return null;
-            }
-        } else {
-            $_result = array();
-            if ($_ptr === null) {
-                $_ptr = $this;
-            }
-            while ($_ptr !== null) {
-                foreach ($_ptr->tpl_vars AS $key => $var) {
-                    if (!array_key_exists($key, $_result)) {
-                        $_result[$key] = $var->value;
-                    }
-                }
-                // not found, try at parent
-                if ($search_parents) {
-                    $_ptr = $_ptr->parent;
-                } else {
-                    $_ptr = null;
-                }
-            }
-            if ($search_parents && isset(Smarty::$global_tpl_vars)) {
-                foreach (Smarty::$global_tpl_vars AS $key => $var) {
-                    if (!array_key_exists($key, $_result)) {
-                        $_result[$key] = $var->value;
-                    }
-                }
-            }
-
-            return $_result;
-        }
-    }
-
-    /**
-     * clear the given assigned template variable.
-     *
-     * @param  string|array $tpl_var the template variable(s) to clear
-     *
-     * @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining
-     */
-    public function clearAssign($tpl_var) {
-        if (is_array($tpl_var)) {
-            foreach ($tpl_var as $curr_var) {
-                unset($this->tpl_vars[$curr_var]);
-            }
-        } else {
-            unset($this->tpl_vars[$tpl_var]);
-        }
-
-        return $this;
-    }
-
-    /**
-     * clear all the assigned template variables.
-     *
-     * @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining
-     */
-    public function clearAllAssign() {
-        $this->tpl_vars = array();
-
-        return $this;
-    }
-
-    /**
-     * load a config file, optionally load just selected sections
-     *
-     * @param  string $config_file filename
-     * @param  mixed $sections array of section names, single section or null
-     *
-     * @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining
-     */
-    public function configLoad($config_file, $sections = null) {
-        // load Config class
-        Smarty_Internal_Extension_Config::configLoad($this, $config_file, $sections);
-        return $this;
-    }
-
-    /**
-     * gets the object of a Smarty variable
-     *
-     * @param  string $variable the name of the Smarty variable
-     * @param  object $_ptr optional pointer to data object
-     * @param  boolean $search_parents search also in parent data
-     * @param bool $error_enable
-     *
-     * @return object  the object of the variable
-     */
-    public function getVariable($variable, $_ptr = null, $search_parents = true, $error_enable = true) {
-        if ($_ptr === null) {
-            $_ptr = $this;
-        }
-        while ($_ptr !== null) {
-            if (isset($_ptr->tpl_vars[$variable])) {
-                // found it, return it
-                return $_ptr->tpl_vars[$variable];
-            }
-            // not found, try at parent
-            if ($search_parents) {
-                $_ptr = $_ptr->parent;
-            } else {
-                $_ptr = null;
-            }
-        }
-        if (isset(Smarty::$global_tpl_vars[$variable])) {
-            // found it, return it
-            return Smarty::$global_tpl_vars[$variable];
-        }
-        $smarty = isset($this->smarty) ? $this->smarty : $this;
-        if ($smarty->error_unassigned && $error_enable) {
-            // force a notice
-            $x = $$variable;
-        }
-
-        return new Smarty_Undefined_Variable;
-    }
-
-    /**
-     * gets  a config variable
-     *
-     * @param  string $variable the name of the config variable
-     * @param bool $error_enable
-     *
-     * @return mixed  the value of the config variable
-     */
-    public function getConfigVariable($variable, $error_enable = true) {
-        return Smarty_Internal_Extension_Config::getConfigVariable($this, $variable, $error_enable = true);
-    }
-
-    /**
-     * Returns a single or all config variables
-     *
-     * @param  string $varname variable name or null
-     * @param bool $search_parents
-     *
-     * @return string variable value or or array of variables
-     */
-    public function getConfigVars($varname = null, $search_parents = true) {
-        return Smarty_Internal_Extension_Config::getConfigVars($this, $varname, $search_parents);
-    }
-
-    /**
-     * Deassigns a single or all config variables
-     *
-     * @param  string $varname variable name or null
-     *
-     * @return Smarty_Internal_Data current Smarty_Internal_Data (or Smarty or Smarty_Internal_Template) instance for chaining
-     */
-    public function clearConfig($varname = null) {
-        return Smarty_Internal_Extension_Config::clearConfig($this, $varname);
-    }
-
-    /**
-     * gets  a stream variable
-     *
-     * @param  string $variable the stream of the variable
-     *
-     * @throws SmartyException
-     * @return mixed  the value of the stream variable
-     */
-    public function getStreamVariable($variable) {
-        $_result = '';
-        $fp = fopen($variable, 'r+');
-        if ($fp) {
-            while (!feof($fp) && ($current_line = fgets($fp)) !== false) {
-                $_result .= $current_line;
-            }
-            fclose($fp);
-
-            return $_result;
-        }
-        $smarty = isset($this->smarty) ? $this->smarty : $this;
-        if ($smarty->error_unassigned) {
-            throw new SmartyException('Undefined stream variable "' . $variable . '"');
-        } else {
-            return null;
-        }
-    }
-}