caskroom/homebrew-versions — pull request #533 by magnus-bergman (2014-11-10 14:35:53+00:00)
Title: Replace Firefox Aurora.app with FirefoxDeveloperEdition.app.

Firefox just released a new version called Firefox Developer Edition. I was going to add it as a separate cask but then I realized the file was located at the same url as aurora. Apparently they just replaced it.