Highlights for the week ending 2020-02-26

What does this Merge Request do?

This MR updates CHANGELOG.md to include highlights for the week ending 2020-02-26. Here's the expanded version:

Add gdk pristine command !1811 (merged)

Re-installs Ruby gems, Node modules, cleans tmp directories and clears go cache.

Enable nakayoshi_fork for Puma by default !1832 (merged)

The nakayoshi_fork setting for Puma was enabled by default. Thanks @Aleksei Lipniagov ❤

For more detail see https://gitlab.com/gitlab-org/gitlab-development-kit/-/blob/master/doc/howto/puma.md

Tidy up gdk commands docs !1844 (merged)

Updates the GDK commands page by moving out non gdk <command> content into separate howto pages.

Add gdk measure-workflow command !1828 (merged)

Allows custom JS workflows to be executed. Thanks @timzallmann ❤

Add KAS URL configuration !1842 (merged)

Adds auto-configuration of GitLab backend's KAS awareness. Thanks @hfyngvason ❤

Add gdk reset-data command !1174 (merged)

Backs up and then resets the PostgreSQL database, git repository and Rails uploads directories. Thanks @lulalala ❤

Add steps to enable Rails console and toggle flags !1833 (merged)

Documents how to run a Rails console and toggle GitLab feature flags. Thanks @msedlakjakubowski ❤

@matteeyah became a GDK maintainer

Thanks @matteeyah ! ❤

Merge Request checklist

• Tests added for new functionality. If not, please raise Issue to follow-up.
• This change is backward compatible. If not, please include steps to communicate to our users.
• Documentation added/updated, if needed.
• gdk doctor test added, if needed.