Improve archival dockerfile (#5366)

v17.06 (docs archive)

Correct a minor grammar error. (#3917)

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

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

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

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

…oy-voting-app

clarified docker stack deploy and bundles

UCP 2.1.0, DTR 2.2.0, CSE 1.13.1

Merge pull request #1184 from sanscontext/fixlink

take a stab at fixing a broken link

Docs for Datacanter: CSE 1.12.3, UCP 2.0.1, DTR 2.1.0