Update

public/admin/plugins/tmce/bootstrap/conf/conf.php

@@ -0,0 +1,37 @@
+<?php
+
+/* =============================================
+Paths definitions for libraries (css & js files)
+
+You can use :
+    -   absolute                                     example : http://www.domain.comassets/
+    -   relative absolute                            example : /assets/
+    -   relative from tinymce/plugins/bootstrap/     example : ../../../assets/
+============================================= */
+
+define('JQUERY_JS', 'js/jquery-2.1.1.min.js');
+define('BOOTSTRAP_JS', 'js/bootstrap.min.js');
+
+// prism is required for all plugins
+// codemirror is required for snippets tool, for syntax highlighting in textarea (cannot be done with prism unfortunately)
+define('CODEMIRROR_FOLDER', 'codemirror/');
+define('PRISM_CSS', 'prism/prism.min.css');
+define('PRISM_JS', 'prism/prism.min.js');
+
+$bootstrap_css_path = addslashes($_GET['bootstrap_css_path']);
+function siteURL()
+{
+    $protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://";
+    $domainName = $_SERVER['HTTP_HOST'];
+
+    return $protocol.$domainName;
+}
+define('SITE_URL', siteURL());
+
+/* language */
+
+if (file_exists('langs/' . $_GET['language'] . '.php')) {
+    require_once 'langs/' . $_GET['language'] . '.php';
+} else { // default
+    require_once 'langs/en_EN.php';
+}