docs/guide/structure-views.md - fixed a broken internal link. [ci-skip]
"#adding-meta-tags" should be "#registering-meta-tags".
docs/guide/structure-views.md - fixed an unclear statement [ci skip]
docs/guide/structure-views.md - typo fixed. [ci skip]
docs/guide-ja/structure-views.md - completed [ci skip]
docs/guide-ja/structure-controllers.md - small changes [ci skip]
docs/guide-ja/structure-models.md - small changes [ci skip]
Merge branch 'master' of github.com:yiijan/yii2-i18n-ja into yiijan-master