Improve manual pages.

* help output needs to be to stdout not stderr for help2man (*.c,*.h)
* Add EXIT_INFO return code.  (*.c,*.h)
* Start filling out man pages, e.g. add SEE ALSO. *.help2man
* Remove non-existent reference to Info pages Makefile.am

src/cd-drive.c

@@ -1,5 +1,5 @@
 /*
-  $Id: cd-drive.c,v 1.24 2005/10/05 09:48:12 rocky Exp $
+  $Id: cd-drive.c,v 1.25 2005/10/06 09:37:11 rocky Exp $
 
   Copyright (C) 2004, 2005 Rocky Bernstein <rocky@panix.com>
   
@@ -125,9 +125,9 @@ parse_options (int argc, char *argv[])
       break;
 
     case '?':
-      fprintf(stderr, helpText, program_name);
+      fprintf(stdout, helpText, program_name);
       free(program_name);
-      exit(EXIT_FAILURE);
+      exit(EXIT_INFO);
       break;
 
     case OP_USAGE: