Merge pull request #10349 from thaJeztah/18.03_backport_fetch_resourc…

…es_use_tags

[18.03 backport] fetch resources use tags

Merge pull request #10196 from thaJeztah/18.09_backport_fetch_resourc…

…es_use_tags

[18.09 backport] Use tags where possible to fetch API documentation for older versions

Ruby Ver Bump (#10040) (#10043)

Ruby Ver Bump (#10040) (#10044)

Ruby Ver Bump (#10040) (#10045)

Ruby Ver Bump (#10040) (#10046)

v18.09

Merge pull request #7760 from thaJeztah/fix_reference_links

Fix broken links in 1.7 archive

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

Tag pruning 684

Dockerfile.build: fix apk invocation

Use --no-cache flag to
 - avoid doing cache update;
 - leaving metadata in the resulting image).

Per https://github.com/gliderlabs/docker-alpine/blob/master/docs/usage.md#disabling-cache

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>