Merge pull request #163 from megos/ja-jp

Japanese translate v8.1.1

Merge pull request #161 from megos/ja-jp

Japanese translate v8.1.0

Merge pull request #158 from megos/ja-jp

Japanese translate v7.7.2

Merge pull request #156 from megos/ja-jp

Japanese translate v7.6.1

Merge pull request #144 from megos/ja-jp

Japanese translate v7.5.2

Update version

Merge pull request #135 from megos/ja-jp

Japanese translate v7.5.0

Merge pull request #133 from megos/ja-jp

Japanese translate v7.4.0

Update version

Merge pull request #131 from megos/ja-jp

Japanese translate v7.3.0