Jupyterhub: Release 0.8

[minrk]

I think we are ready for releasing 0.8!

I think we can push the release out after the team meeting today.

Release checklist

• [x] Upgrade Docs prior to Release

  • [x] Change log
  • [x] New features documented
  • [x] Update the contributor list - thank you page @willingc ?

• [x] Upgrade and test Reference Deployments

• [x] Release software

  • [x] Make sure 0 issues in milestone
  • [x] Follow release process steps
  • [x] Send builds to PyPI (Warehouse) and Conda Forge

• [x] Blog post and/or release note (drafted on Medium, will post when release is live)

• [x] Notify users of release

  • [x] Email Jupyter and Jupyter In Education mailing lists
  • [x] Tweet (optional)

• [x] Increment the version number for the next release

• [x] Update roadmap

[willingc]

@minrk Updated contributors 2 weeks ago. No new faces since that commit 👍

[minrk]

Pushed to PyPI, published blog, spreading via other channels over the next few minutes. Yay!