add a lib directory; move smarty into it; add random_compat phar (for random_bytes() on PHP < 7)

lib/smarty/libs/sysplugins/smarty_internal_method_clearallassign.php

@@ -0,0 +1,37 @@
+<?php
+
+/**
+ * Smarty Method ClearAllAssign
+ *
+ * Smarty::clearAllAssign() method
+ *
+ * @package    Smarty
+ * @subpackage PluginsInternal
+ * @author     Uwe Tews
+ */
+class Smarty_Internal_Method_ClearAllAssign
+{
+    /**
+     * Valid for all objects
+     *
+     * @var int
+     */
+    public $objMap = 7;
+
+    /**
+     * clear all the assigned template variables.
+     *
+     * @api  Smarty::clearAllAssign()
+     * @link http://www.smarty.net/docs/en/api.clear.all.assign.tpl
+     *
+     * @param \Smarty_Internal_Data|\Smarty_Internal_Template|\Smarty $data
+     *
+     * @return \Smarty_Internal_Data|\Smarty_Internal_Template|\Smarty
+     */
+    public function clearAllAssign(Smarty_Internal_Data $data)
+    {
+        $data->tpl_vars = array();
+
+        return $data;
+    }
+}