Fix typos, formatting and thank yous (add links)

In some files changed the formatting was fixed to be a proper markdown
file.

There were some typos including that some README.md files that linked to
/winners.html#Cody_Boone_Ferguson actually linked to the non-existent
file /years which obviously would not work.

I also added links to the rest of the places I have fixed entries (but
see below) and I did the same for Yusuke Endoh's fixes.

As well apparently one entry I thought he fixed to compile under modern
systems does not seem to so that entry will have to be revisited another
time. That entry was 1993/jonth.

Those are the main changes here if not all of them.

1989/westley/README.md

@@ -12,7 +12,7 @@
 	make all
 
 
-NOTE: [Cody Boone Ferguson](/winners.html#Cody_Boone_Ferguson) was able to get
+[Cody Boone Ferguson](/winners.html#Cody_Boone_Ferguson) was able to get
 this to partially work with clang; clang requires that the second, third and
 fourth args to main() be `char **`. Only `westley.c` and `ver0.c` (see below) will
 compile with clang. It's possible to get ver1.c to compile too but this causes