happyinc/grails-mailchimp — pull request #1 by burtbeckwith (2012-05-09 15:53:49+00:00)
Title: Updated to 2.0 and did some cleanup

You should be able to release with 2.0 now. I used 2.0.0 but you can use a later version. Don't run 'grails upgrade' though, just edit the version in application.properties.