Add www to eff.org to avoid HTTP 301 redirect
centering slider icons
updating first run page
Merge pull request #253 from justin-/add-www-to-eff.org

Add www to eff.org to avoid HTTP 301 redirect
Google docs is apparently sometimes a 3rd party embed
Mozilla.org provides CSS and other functionality in various places

https://github.com/EFForg/privacybadgerfirefox/issues/192