- fixing undefined variables in customer_mysql.php

- fixing "only variables should be passed by reference" warning in customer_traffic.php
- removed unneeded require() in customer_aps.php, refs #6
- added missing field in sql-query in class.ticket.php

customer_mysql.php

@@ -23,6 +23,7 @@ define('AREA', 'customer');
  * Include our init.php, which manages Sessions, Language etc.
  */
 
+$need_db_sql_data = true;
 $need_root_db_sql_data = true;
 require ("./lib/init.php");