(options): Move globbing-related options into a
separate group. Set -l as an alias to --check-links, as required
by UNIX98
(struct tar_args): New fields
wildcards,matching_flags,include_anchored
(MAKE_EXCL_OPTIONS,MAKE_INCL_OPTIONS): New macros
(parse_opt): Use x2nrealloc to grow archive_name_array.
Use MAKE_EXCL_OPTIONS,MAKE_INCL_OPTIONS to create appropriate
fnmatch options, and name_add_name,name_add_dir to handle member
name and -C arguments.
(decode_options): Likewise
(main): Remove call to init_names.