Hide future lessons again on master branch
Merge branch 'staging'

* staging:
  Retitle exercise
Slides, pdf, and notebook for session 5
Add missing '
Misplaced '
Make the notebook work by including setup
Need to define notebook setup in one of the content files because of Jinja ordering
Misnamed include for notebook setup
Revert "Hide future lessons again on master branch"

This reverts commit 9dff541b359bab37cdfc60adfec1638c8168ac93.
Merge branch 'master' into staging

* master:
  Revert "Hide future lessons again on master branch"
  Misnamed include for notebook setup
  Need to define notebook setup in one of the content files because of Jinja ordering
  Make the notebook work by including setup
  Misplaced '
  Add missing '
  Slides, pdf, and notebook for session 5
  Hide future lessons again on master branch