'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'

1998/tomtorfs/README.md

@@ -16,7 +16,7 @@
 
 	./tomtorfs tomtorfs.c 32 04C11DB7 1 FFFFFFFF FFFFFFFF
 
-## Judges' comments
+## Judges' remarks
 
     Also try:
 
@@ -31,7 +31,7 @@
     of the program with the value of CRC computed by PKZIP or any other
     archiver that uses the CRC-32 algorithm.
 
-## Author's comments
+## Author's remarks
 
     Usage:
        crc filename bitwidth polynom reflected init xor