* gpgsm.c: Made --delete-key work.
* server.c (cmd_delkeys): New.
(register_commands): New command DELKEYS.
* decrypt.c (gpgsm_decrypt): Print a convenience note when RC2 is
used and a STATUS_ERROR with the algorithm oid.
certificate with the required key usage.
* gpgsm.c (main): Fixed a segv when using --outfile without an
argument.
* keylist.c (print_capabilities): Also check for non-repudiation
and data encipherment.
* certlist.c (cert_usage_p): Test for signing and encryption was
swapped. Add a case for certification usage, handle
non-repudiation and data encipherment.
(gpgsm_cert_use_cert_p): New.
(gpgsm_add_to_certlist): Added a CTRL argument and changed all
callers to pass it.
* certpath.c (gpgsm_validate_path): Use it here to print a status
message. Added a CTRL argument and changed all callers to pass it.
* decrypt.c (gpgsm_decrypt): Print a status message for wrong key
usage.
* verify.c (gpgsm_verify): Ditto.
* keydb.c (classify_user_id): Allow a colon delimited fingerprint.
* server.c (reset_notify): Close input and output FDs.
(cmd_encrypt,cmd_decrypt,cmd_verify,cmd_sign.cmd_import)
(cmd_genkey): Close the FDs and release the recipient list even in
the error case.
* certdump.c (print_sexp): Renamed to gpgsm_dump_serial, made
global.
(print_time): Renamed to gpgsm_dump_time, made global.
(gpgsm_dump_serial): Take a real S-Expression as argument and
print the first item.
* keylist.c (list_cert_colon): Ditto.
* keydb.c (keydb_search_issuer_sn): Ditto.
* decrypt.c (print_integer_sexp): Removed and made callers
use gpgsm_dump_serial.
* verify.c (print_time): Removed, made callers use gpgsm_dump_time.