Add formula for WebStorm with bundled JDK

See #879

Casks/webstorm-bundled-jdk.rb

@@ -0,0 +1,21 @@
+cask :v1 => 'webstorm-bundled-jdk' do
+  version '10.0.1'
+  sha256 '8b05be91e5c688908d6bcaab4d1f5ead86912d5b33b332a7dd5964dc901090b7'
+
+  url "https://download.jetbrains.com/webstorm/WebStorm-#{version}-custom-jdk-bundled.dmg"
+  name 'WebStorm'
+  homepage 'http://www.jetbrains.com/webstorm/'
+  license :commercial
+
+  app 'WebStorm.app'
+  binary 'WebStorm.app/Contents/MacOS/webstorm'
+
+  zap :delete => [
+                  '~/.WebStorm10',
+                  '~/Library/Preferences/com.jetbrains.webstorm.plist',
+                  '~/Library/Preferences/WebStorm10',
+                  '~/Library/Application Support/WebStorm10',
+                  '~/Library/Caches/WebStorm10',
+                  '~/Library/Logs/WebStorm10',
+                 ]
+end