[Meta] Release 8.16

The schedule below is built with holiday season in mind and GitLab summit.

• Postgresql upgrade issues: https://gitlab.com/gitlab-org/omnibus-gitlab/issues/1783 Owner: @ibaum
• Postgresql HA in omnibus gitlab packages: https://gitlab.com/gitlab-org/omnibus-gitlab/issues/1807 Owner: @ibaum
• Package promotion and security release tasks: https://gitlab.com/gitlab-org/omnibus-gitlab/issues/1788 Owner: @brodock
• GitLab at Openshift platforms: https://gitlab.com/gitlab-org/omnibus-gitlab/issues/1305 Owner: @twk3
• GitLab at Redhat container registry: https://gitlab.com/gitlab-org/omnibus-gitlab/issues/1634 Owner: @twk3
• Mesosphere DC/OS release: https://gitlab.com/gitlab-org/omnibus-gitlab/issues/1742 Owner: @twk3
• Fix certificate issues for Docker images: https://gitlab.com/gitlab-org/omnibus-gitlab/issues/1771 Owner: @twk3
• Healthcheck for Docker image: https://gitlab.com/gitlab-org/omnibus-gitlab/issues/1810 Owner: @twk3
• Fix sidekiq cron warnings: https://gitlab.com/gitlab-org/omnibus-gitlab/issues/1792 Owner: @balasankarc
• Run specs in parallel: https://gitlab.com/gitlab-org/omnibus-gitlab/issues/1702 Owner: @balasankarc
• Build team takes maintenance of Cloud images: https://gitlab.com/gitlab-org/omnibus-gitlab/issues/1822 Owner: @balasankarc
• Architecture overview docs: https://gitlab.com/gitlab-org/omnibus-gitlab/issues/1550 Owner: @balasankarc
• Architecture and release overview of GitLab Tile in PCF: https://gitlab.com/gitlab-pivotal/p-gitlab-ee/issues/11 (private) Owner: @WarheadsSE
• Consolidating GitLab tile infrastructure: https://gitlab.com/gitlab-pivotal/p-gitlab-ee/issues/10 (private) Owner: @WarheadsSE
• Trim the package size: https://gitlab.com/gitlab-org/omnibus-gitlab/issues/1778 Owner: @marin

/cc @gitlab-build-team @stanhu

It would've been better if these were checkboxes, so we could easily know which all were completed (Not that we couldn't look up the Milestone page, but hey, we have anyway created a meta issue. )

@balasankarc Feel free to edit the description.

marked the task Fix sidekiq cron warnings: https://gitlab.com/gitlab-org/omnibus-gitlab/issues/1792 Owner: @balasankarc as completed

marked the task Run specs in parallel: https://gitlab.com/gitlab-org/omnibus-gitlab/issues/1702 Owner: @balasankarc as completed

marked the task Architecture overview docs: https://gitlab.com/gitlab-org/omnibus-gitlab/issues/1550 Owner: @balasankarc as completed

Release 8.17 issue: https://gitlab.com/gitlab-org/omnibus-gitlab/issues/1884

closed