translation update
Merge pull request #57 from dokuwiki-translate/lang_update_416

Translation update (ja)
translation update
Merge branch 'lang_update_442' of git://github.com/dokuwiki-translate/dokuwiki-plugin-pluginrepo into pull-request-58

* 'lang_update_442' of git://github.com/dokuwiki-translate/dokuwiki-plugin-pluginrepo:
  translation update

Conflicts:
	lang/eo/lang.php