Provide a signing-key-is-revoked flag. Change all callers.
* status.h, status.c (get_status_string): New REVKEYSIG status tag for a
good signature from a revoked key.
* mainproc.c (do_check_sig, check_sig_and_print): Use it here.
* import.c (import_revoke_cert, merge_blocks, merge_sigs): Compare actual
signatures on import rather than using keyid or class matching. This does
not change actual behavior with a key, but does mean that all sigs are
imported whether they will be used or not.
(treat as a v4 revocation).
* keyedit.c (keyedit_menu, menu_revuid): Backport "revuid" from devel.
* import.c (print_import_check): Do not re-utf8 convert user IDs.
* status.h, status.c (get_status_string), import.c (import_one,
print_import_check): Backport Timo's IMPORT_CHECK status message from
devel.
used one in verbosity level 3.
* gpgv.c (main): Try to set a default character set.
* status.c, status.h (STATUS_IMPORT_OK): New.
* import.c (import_one,import_secret_one): Print new status.
