'comments' -> 'remarks' in all README.md files

As in

    sgit -e 's/\([Aa]uthor.*\)comments/\1remarks/g' -e 's/\([Jj]udge.*\)comments/\1remarks/g' '*README.md'

2000/bellard/README.md

@@ -25,7 +25,7 @@ make
 Do. Or do not. There is no try. :-)
 ```
 
-## Judges' comments:
+## Judges' remarks:
 
 This code is an nice compact example of a Modular Fast Fourier Transform.
 While its output is very specific, the internal FFT has a wide variety