[Companion] Copyright added to all files

companion/src/releasenotesdialog.h

@@ -1,5 +1,25 @@
-#ifndef RELEASENOTESDIALOG_H
-#define RELEASENOTESDIALOG_H
+/*
+ * Copyright (C) OpenTX
+ *
+ * Based on code named
+ *   th9x - http://code.google.com/p/th9x
+ *   er9x - http://code.google.com/p/er9x
+ *   gruvin9x - http://code.google.com/p/gruvin9x
+ *
+ * License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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.
+ */
+
+#ifndef _RELEASENOTESDIALOG_H_
+#define _RELEASENOTESDIALOG_H_
 
 #include <QDialog>
 #include "helpers.h"
@@ -20,4 +40,4 @@ class ReleaseNotesDialog : public QDialog
     Ui::HtmlDialog * ui;
 };
 
-#endif // RELEASENOTESDIALOG_H
+#endif // _RELEASENOTESDIALOG_H_