alphagov/govuk_content_models — pull request #261 by steventux (2014-12-05 12:52:42+00:00)
Title: Add reviewer field to Edition

https://www.agileplannerapp.com/boards/173808/cards/8712

- Nilify this field when the Edition transitions out of 'in_review'.
- Validate that the reviewer isn't the assignee.
- Validate the reviewer field by state.