v18.09

Merge pull request docker#705 from docker/tag-pruning-684

Tag pruning 684

Tagging v18.03

Archive for v17.09

v17.06 (docs archive)

Correct a minor grammar error. (docker#3917)

Saw a grammar correction I couldn't help but correct.

Don't run bundle update in the Dockerfile (docker#3770)

This avoids the US-ASCII bug in jekyll-redirect plugin

copyedits, link fixes on glossary in test.md (docker#3088)

Signed-off-by: Victoria Bialas <victoria.bialas@docker.com>

Merge pull request docker#2042 from londoncalling/clarify-docker-stac…

…k-deploy-voting-app

clarified docker stack deploy and bundles

UCP 2.1.0, DTR 2.2.0, CSE 1.13.1