Made necessary changes to Japanese translation file
Made necessary changes to Japanese translation file

- Added missing line.
- Changes a few strings to reflect changes in the English strings.

Signed-off-by: Colin Woodbury <aab3e4aadd703a694a263d210e8e5f8f21572a93@gmail.com>

mfussenegger/pkgbuilder,Kwpolska/pkgbuilder,Kwpolska/pkgbuilder,mfussenegger/pkgbuilder