This commit adds Japanese translation of HOWTO document into rst based
documentation build system with updates.
Signed-off-by: NTsugikazu Shibata <tshibata@ab.jp.nec.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NJonathan Corbet <corbet@lwn.net>