[PrivacyBadger] Privacy Badger version 2017.5.9 released

[Alexei]

Privacy Badger 2017.5.9 has been released for all supported browsers.
As always, you can get it from https://www.eff.org/privacybadger
or from your browser's add-on gallery.

Notable updates:

* Improved popup rendering
* Added version number to popup
* Restricted Do Not Track policy checking from being able to set cookies
* Fixed several cookie parsing issues
* Added workaround for Cloudflare security cookies
* Improved translations (Simplified Chinese, Swedish, Ukrainian)

For further details, consult our release notes on GitHub:
https://github.com/EFForg/privacybadger/releases/tag/release-2017.5.9