"openpgp" which is classic+trustsigs, "classic" which is classic only, and
"always" which is the same as the current option --always-trust (which
still works). Default is "openpgp".
* trustdb.c (validate_one_keyblock): Use "openpgp" trust model to enable
trust sigs.
* gpgv.c (main), mainproc.c (check_sig_and_print), pkclist.c (do_we_trust,
do_we_trust_pre, check_signatures_trust): Use new --trust-model option in
place of --always-trust.
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.