herokuコマンドで複数アカウントを使いわける

http://www.ownway.info/Ruby/index.php?heroku%2Fhow%2Fmanagement%2Faccount
http://d.hatena.ne.jp/mercystage/20130501/1367397215
http://d.hatena.ne.jp/ayumuaizawa/20120120
http://blog.livedoor.jp/maru_tak/archives/51251021.html
http://journal.sooey.com/162

http://stackoverflow.com/questions/17742946/heroku-you-do-not-have-access-to-the-app-heroku

• • • >You do not have access to the app heroku.

So basically your command should be something like :

heroku apps:rename newapp --app oldapp