Additional minor syntax changes.

Minor syntax changes.

Minor syntax changes.

docs/guide-ja/intro-upgrade-from-v1.md - revised using "初期設定" and "設定情報" for "configuration(s)" [ci skip]

MInor syntax changes.

Minor syntax changes.

Minor syntax changes.

Minor syntax changes.

Shouldn't showScriptName be false to hide entry script name?

`..init --env=Production overwrite=All` dont not work on interactive mode but `init --env=Production --overwrite=All` works fine.