'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'

1992/kivinen/README.md

@@ -46,9 +46,9 @@ Yusuke!
 ./kivinen a b
 ```
 
-See also the author's comments for other variations.
+See also the author's remarks for other variations.
 
-## Judges' comments:
+## Judges' remarks:
 
 
 The type of entertainment depends on number of arguments