update year level README files

Move copyright notice to the end.

Add a standard comment about the newly added `README.md` files.

Clean up trailing whitespace.

Fixed a few minor typos.

2004/README

@@ -1,28 +1,22 @@
 2004 marked the "The Seventeenth International Obfuscated C Code Contest"
 
-Copyright (C) 2001-2004, Landon Curt Noll, Simon Cooper, Peter Seebach
-and Leonid A. Broukhis. All Rights Reserved. Permission for personal,
-educational or non-profit use is granted provided this copyright and
-notice are included in its entirety and remains unaltered.  All other
-uses must receive prior permission from the contest judges.
-
 
 Standard IOCCC stuff
 --------------------
 
+Look at the README.md file for the given winner for information
+on how to compile the winner and how to run the winning program.
+Look at the winning source and try to figure how it does what it does!
+You may then wish to look at the Author's comments for even more details.
+
 The IOCCC has a web site and now has a number of international mirrors.
 The primary site can be found at,
 
      http://www.ioccc.org/
 
-Use make to compile entries.  It is possible that on non-Un*x / non-Linux
+Use make to compile entries.  It is possible that on non-Un\*x / non-Linux
 systems the makefile needs to be changed.  See the Makefile for details.
 
-Look at the source and try to figure out what the programs do, and run
-them with various inputs.  If you want to, look at the hints files for
-spoilers - this year we included most of the information included
-by the submitters.
-
 Read over the makefile for compile/build issues.  Your system may
 require certain changes (add or remove a library, add or remove a
 #define).
@@ -84,3 +78,11 @@ Watch:
 	http://www.ioccc.org/
 
 for news of the next contest.
+
+=-=
+
+Copyright (C) 2001-2004, Landon Curt Noll, Simon Cooper, Peter Seebach
+and Leonid A. Broukhis. All Rights Reserved. Permission for personal,
+educational or non-profit use is granted provided this copyright and
+notice are included in its entirety and remains unaltered.  All other
+uses must receive prior permission from the contest judges.