Heroku Changelog Clojure apps now use Leiningen 2.0.0.

Change effective on 21 January 2013

Clojure apps which include a :min-lein-version of 2.x will now use the final release of version 2.0.0 instead of the preview series. See the Leiningen changelog for a list of changes since the last preview.

Application upgrades will be effective on the next git push.