Add GPLV3 & Copyright

htdocs/expensereport/class/expensereport.class.php

@@ -1,5 +1,22 @@
 <?php
-require_once(DOL_DOCUMENT_ROOT ."/core/class/commonobject.class.php");
+/* Copyright (C) 2011 Dimitri Mouillard   <dmouillard@teclib.com>
+ * Copyright (C) 2015 Laurent Destailleur <eldy@users.sourceforge.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+require_once DOL_DOCUMENT_ROOT .'/core/class/commonobject.class.php';
 
 /**
  * Class to manage Trips and Expenses