move fix thanks a file, update top level html links, rename CONTRIBUTING.md

The fix thank you's have been moved from `README.md` to
`thanks-for-fixes.md`.

**WARNING**: Some mistakes may have been made in doing this.
We presume later changes by others will correct any issues.

The `CONTRIBUTING.md` was renamed `how-to-enter.md`.

A 3rd line of links was added to top level html such as
`contact.html`, `index.html`, `judges.html`, `winners.html`,
and `years.html`.

Improved blank line use in a number (but not all) `README.md` files.

2001/bellard/README.md

@@ -6,49 +6,20 @@ Fabrice Bellard
 France  
 <https://bellard.org>
 
+
 ## To build:
 
 ```sh
 make
 ```
 
+
 ## To run:
 
 ```sh
 ./bellard file
 ```
 
-[Cody Boone Ferguson](/winners.html#Cody_Boone_Ferguson) partially fixed this
-but he notes that this will not work without (according to the author) i386
-linux or else some skill in resolving the portability issues. As it is it
-segfaults in 64-bit linux (and as expected macOS). He fixed an earlier segfault
-so that at least the file can be opened (but perhaps that will be wrong in i386
-linux?) and he also changed some of the macro used to what they evaluate to but
-mostly he kept it the same.
-
-Cody also fixed [bellard.otccex.c](bellard.otccex.c) so it does not segfault and
-seemingly works okay (it did not work at all). The main problem was that some
-ints were being used as pointers. Also the Fibonacci sequence (`fib()`) will
-overflow at `n > 48` so this is checked prior to running the function. Either
-way unfortunately this entry seems to not work in 64-bit linux or macOS. See
-below portability notes. Thank you Cody for your assistance!
-
-
-### Portability notes:
-
-With a tip from [Yusuke Endoh](/winners.html#Yusuke_Endoh) we rediscovered the
-author's [web page for this program](https://bellard.org/otcc/) where it is
-stated that this will only work in i386 linux.  The author also stated in the
-remarks in this document that they used [gcc
-2.95.2](https://ftp.gnu.org/gnu/gcc/gcc-2.95.2/gcc-everything-2.95.2.tar.gz) but
-we don't know if that's relevant or not.
-
-Yusuke offered a modification which is not needed with gcc but with some
-versions of `clang` it is. With `gcc` we can get away with `-rdynamic -fno-pie
--Wl,-z,execstack` which solves the problem of execution in memory but any
-compiler that does not support this would not work. Thus we use the modification
-by Yusuke. Thank you Yusuke!
-
 
 ## Try:
 
@@ -56,10 +27,12 @@ by Yusuke. Thank you Yusuke!
 ./bellard bellard.otccex.c
 ```
 
+
 ## Judges' remarks:
 
 `<JUDGES_COMMENTS>` :-)
 
+
 ## Author's remarks:
 
 `OTCC` is an Obfuscated Tiny C Compiler for i386-linux. It generates
@@ -183,6 +156,7 @@ and some functions are used before being defined. `OTCC` uses the
 dynamic linker to resolve symbols with `dlsym()`, so `-ldl` must
 be used when you compile and link it.
 
+
 ## Copyright and CC BY-SA 4.0 License:
 
 This file is Copyright (c) 2023 by Landon Curt Noll.  All Rights Reserved.