add more information to ical export

fixes #175

includes/pages/user_ical.php

@@ -37,7 +37,7 @@ function user_ical() {
   foreach ($ical_shifts as $shift) {
     $html .= "BEGIN:VEVENT\r\n";
     $html .= "UID:" . md5($shift['start'] . $shift['end'] . $shift['name']) . "\r\n";
-    $html .= "SUMMARY:" . str_replace("\n", "\\n", $shift['name']) . "\r\n";
+    $html .= "SUMMARY:" . str_replace("\n", "\\n", $shift['name']) . " (" . str_replace("\n", "\\n", $shift['title']) . ")\r\n";
     if(isset($shift['Comment']))
       $html .= "DESCRIPTION:" . str_replace("\n", "\\n", $shift['Comment']) . "\r\n";
     $html .= "DTSTART;TZID=Europe/Berlin:" . date("Ymd\THis", $shift['start']) . "\r\n";