Added config_helper.php class for fetching the configuration values in templates.

src/application/config/autoload.php

@@ -64,7 +64,7 @@ $autoload['libraries'] = array('database');
 |	$autoload['helper'] = array('url', 'file');
 */
 
-$autoload['helper'] = array('custom_exceptions', 'url', 'file', 'language', 'asset');
+$autoload['helper'] = array('custom_exceptions', 'url', 'file', 'language', 'asset', 'config');
 
 
 /*

src/application/helpers/config_helper.php

@@ -0,0 +1,25 @@
+<?php defined('BASEPATH') OR exit('No direct script access allowed');
+
+/* ----------------------------------------------------------------------------
+ * Easy!Appointments - Open Source Web Scheduler
+ *
+ * @package     EasyAppointments
+ * @author      A.Tselegidis <alextselegidis@gmail.com>
+ * @copyright   Copyright (c) 2013 - 2017, Alex Tselegidis
+ * @license     http://opensource.org/licenses/GPL-3.0 - GPLv3
+ * @link        http://easyappointments.org
+ * @since       v1.3.0
+ * ---------------------------------------------------------------------------- */
+
+/**
+ * Quickly fetch the value of a framework configuration.
+ *
+ * @param string $key Configuration key.
+ *
+ * @return mixed Returns the configuration value.
+ */
+function config($key) {
+    $framework = & get_instance();
+
+    return $framework->config->item($key);
+}

src/application/views/appointments/book.php

@@ -324,7 +324,7 @@
         var GlobalVariables = {
             availableServices   : <?= json_encode($available_services) ?>,
             availableProviders  : <?= json_encode($available_providers) ?>,
-            baseUrl             : <?= json_encode(base_url()) ?>,
+            baseUrl             : <?= json_encode(config('base_url')) ?>,
             manageMode          : <?= $manage_mode ? 'true' : 'false' ?>,
             dateFormat          : <?= json_encode($date_format) ?>,
             appointmentData     : <?= json_encode($appointment_data) ?>,