Fixes for -args

cpdfcommand.ml

@@ -1248,7 +1248,7 @@ and specs =
       " Speed over correctness with malformed documents");
    ("-control",
       Arg.String make_control_argv_and_parse,
-      " Use a control file");
+      " Use a control file. Deprecated. Use -args.");
    ("-merge",
        Arg.Unit (setop Merge),
        " Merge a number of files into one");

cpdfmanual.tex

@@ -1,6 +1,7 @@
 %To document for next version:
 % Anil's changes to output format of -list-annotations
 % The new -open-at-page, -open-at-page-fit options
+% Add -args, clean up -control documentation
 
 \documentclass[a4paper,makeidx]{memoir}
 \usepackage{palatino}