StackExchange Notifications

This extension has been created for you to stay connected on their StackExchange (like StackOverflow.com) sites when you're doing other activities:

- Notifies about new messages in inbox
- Notifies about new achievements, like upvotes, downvotes, badges, privileges
- Fullscreen post-editor (full-view-port), see screenshots below
- Lightbox for images in questions and answers