Add JDownloader2 BETA.

Casks/jdownloader2.rb

@@ -0,0 +1,14 @@
+class Jdownloader2 < Cask
+  if MacOS.version == :lion or MacOS.version == :mountain_lion or MacOS.version == :mavericks
+    url 'http://installer.jdownloader.org/JD2SilentSetup.dmg'
+  else
+    url 'http://installer.jdownloader.org/JD2SilentSetup_10_6orlower.dmg'
+  end
+  homepage 'http://jdownloader.org/download/offline'
+  version 'latest'
+  sha256 :no_check
+  caskroom_only true
+  caveats do
+    manual_installer 'JDownloader Installer.app'
+  end
+end