* lang/qt/src/wkdrefreshjob.h, lang/qt/src/wkdrefreshjob.cpp
(WKDRefreshJob::start): New overload.
* lang/qt/src/wkdrefreshjob_p.h (WKDRefreshJobPrivate): Add field
m_userIds.
* lang/qt/src/qgpgmewkdrefreshjob.cpp (toEmailAddresses): New.
(locate_external_keys): Change return type and arguments.
(refresh_keys): Remove.
(QGpgMEWKDRefreshJobPrivate::startIt): Get emails from keys or user IDs.
Remove duplicates. Call locate_external_keys instead of refresh_keys.
* lang/qt/tests/run-wkdrefreshjob.cpp (CommandLineOptions,
parseCommandLine): New.
(main): Support new option --all-userids.