'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'

1990/pjr/README.md

@@ -20,7 +20,7 @@ make all
 ./pjr
 ```
 
-## Judges' comments:
+## Judges' remarks:
 
 This program prints out a string.  Can you figure out how
 it is done?
@@ -49,7 +49,7 @@ by use of pointers to functions returning a struct of pointers
 to functions!
 
 
-## Author's comments:
+## Author's remarks:
 
     Vg vf fvzcyr gb znxr gur cebtenz cevag bgure fgevatf.  Rnpu
     nycunorgvpny punenpgre sebz n gb m vf cevagrq bhg nf vgf