'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'

2012/vik/README.md

@@ -53,14 +53,14 @@ To extract the embedded PNG:
 ./vik d ioccc-in-chocolate.png > restored-ioccc.png
 ```
 
-## Judges' comments:
+## Judges' remarks:
 
 References to chocolate had no effect on judging this entry. We
 guarantee it.
 
 Can you discern hidden pieces of chocolate in `chocolate-in-ioccc.png`?
 
-## Author's comments:
+## Author's remarks:
 
 ### Introduction