Added uniform copyright notice to all files of the server core.

server/drivers.c

@@ -1,5 +1,13 @@
-/*
- * Driver loader
+/*
+ * driver.c
+ * This file is part of LCDd, the lcdproc server.
+ *
+ * This file is released under the GNU General Public License. Refer to the
+ * COPYING file distributed with this package.
+ *
+ * Copyright (c) 1999, William Ferrell, Scott Scriven
+ *               2001, Joris Robijn
+ *
  *
  * This code does all driver handling, loading, initializing, unloading.
  *