[18.09 backport] use official shellcheck 0.6.0, and don't patch Dockerfiles in CI - #1776

[18.09 backport] use official shellcheck 0.6.0, and don't patch Dockerfiles in CI#1776

andrewhsu merged 3 commits into

docker:18.09docker/cli:18.09from

thaJeztah:18.09_backport_upgrade_shellcheck_0.6.0thaJeztah/cli:18.09_backport_upgrade_shellcheck_0.6.0Copy head branch name to clipboard