Notes for developers.

### New release

* Update ChangeLog
* Update $VERSION in bin/circleator.pl
* Commit

Notes for developers.

### New release

* Check that all issues for the release milestone are closed
* Update the ChangeLog
* Update $VERSION in bin/circleator
* Update README.md, documentation as needed
* Check that prerequisites are consistent between README.md, install.md
* Commit
* Test
* Add blog post/update documentation


Add items to new release checklist.
Add items to new release checklist.
