Add VirtualBox 4.3.28-100309 as virtualbox4328100309

Casks/virtualbox4328100309.rb

@@ -0,0 +1,11 @@
+cask :v1 => 'virtualbox4328100309' do
+  version '4.3.28-100309'
+  sha256 '16ef55298abe5de8cd0e9ac88895d6404cde5a17d9aa126f8860c411c4eeeac2'
+
+  url "http://download.virtualbox.org/virtualbox/#{version.split('-')[0]}/VirtualBox-#{version}-OSX.dmg"
+  homepage 'http://www.virtualbox.org'
+  license :unknown
+
+  pkg 'VirtualBox.pkg'
+  uninstall :script => { :executable => 'VirtualBox_Uninstall.tool', :args => %w[--unattended] }
+end