* elmo.el (elmo-folder-mark-as-read): Added argument `ignore-flag'.

* elmo.el (elmo-folder-mark-as-read): Added argument `ignore-flag'.
(elmo-folder-mark-as-read): Follow the API change.

* elmo-pipe.el (elmo-folder-mark-as-read): Follow the API change.

* elmo-nntp.el (elmo-folder-mark-as-read): Set :before qualifier.

* elmo-net.el (elmo-folder-unmark-important): Set :before qualifier.
(elmo-folder-mark-as-important): Ditto.
(elmo-folder-unmark-read): Ditto.
(elmo-folder-mark-as-read): Ditto.
(elmo-folder-unmark-answered): Ditto.
(elmo-folder-mark-as-answered): Ditto.

* elmo-multi.el (elmo-folder-mark-as-important): Set :before qualifier.
(elmo-folder-unmark-important): Ditto.
(elmo-folder-mark-as-read): Ditto.
(elmo-folder-unmark-read): Ditto.
(elmo-folder-mark-as-answered): Ditto.
(elmo-folder-unmark-answered): Ditto.

* elmo-mark.el (toplevel): Removed some mark method definitions.

* elmo-map.el (elmo-map-folder-unmark-answered): New method.
(elmo-map-folder-mark-as-answered): Ditto.
(elmo-folder-unmark-important): Add :before qualifier.
(elmo-folder-mark-as-important): Ditto.
(elmo-folder-unmark-read): Ditto.
(elmo-folder-mark-as-read): Ditto.
(elmo-folder-unmark-answered): Define.
(elmo-folder-mark-as-answered): Ditto.

* elmo-maildir.el (elmo-map-folder-mark-as-answered): Define.
(elmo-map-folder-unmark-answered): Ditto.

* elmo-filter.el (elmo-folder-mark-as-read): Follow the API change.