Update Japanese translation

PS2: rebase and add missing translations
PS3: fix whitespace

Change-Id: I480fa82b71f627ba28e64f4d56bebca270bc2f87
Signed-off-by: rdgate <rdgate@gmail.com>
Make menu item title and help text consistent.

Change-Id: I8ee773c473873e5e4c3ea3dbcc0ec3e53dc2b91c
Merge remote-tracking branch 'aokp/jb-mr1' into jb-mr1