Update copyright information

* Name "cgit Development Team" as copyright holder to avoid listing
  every single developer.

* Update copyright ranges.

Signed-off-by: Lukas Fleischer <cgit@crytocrack.de>
diff --git a/parsing.c b/parsing.c
index 658621d..248b6ee 100644
--- a/parsing.c
+++ b/parsing.c
@@ -1,6 +1,6 @@
 /* config.c: parsing of config files
  *
- * Copyright (C) 2006 Lars Hjemli
+ * Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com>
  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)