minors modifications on cycle count, re-add correct svn:keywords and update correct source file headers

src/ppu/debug/ppu.debug.c

@@ -1,3 +1,17 @@
+/*
+ *  PPU Debug utilities - The TI-NESulator Project
+ *  ppu.debug.c
+ *
+ *  Created by Manoel Trapier.
+ *  Copyright 2003-2008 986 Corp. All rights reserved.
+ *
+ *  $LastChangedDate$
+ *  $Author$
+ *  $HeadURL$
+ *  $Revision$
+ *
+ */
+
 #include <stdio.h>
 #include <stdlib.h>