Update all files to mention version 3 of the GPL.

diff --git a/rccar_remote_controller/main.c b/rccar_remote_controller/main.c
index 8e2f20e..bf5334d 100644 (file)
--- a/rccar_remote_controller/main.c
+++ b/rccar_remote_controller/main.c
@@ -8,7 +8,7 @@
  *
  * 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 2 of the License, or
+ * 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,