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.

1984/README

@@ -1,10 +1,18 @@
 In 1984, the first contest was held.  The name of the contest was simply
 ``Obfuscated C Code Contest''.
 
+
+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.
+
 Restrictions against machine dependent code were not in the rules in 1984.
 The source file size restriction was only 512 bytes.  Rules and results
 were posted to net.lang.c and net.unix-wizards.
 
+=-=
+
 Copyright (c) 1984, Landon Curt Noll.
 All Rights Reserved.  Permission for personal, educational or non-profit use is
 granted provided this this copyright and notice are included in its entirety