Big updates for the site:
- Removed hidden Twitter status call to v1 API.
- Removed links to featured sites since many of them don't exist
  in their original forms any more.
- Changed WordPress link to my WordPress Profile page.
- Added blog icon and link to WordPress.com blog.
- Optimized all images with ImageOptim for even smaller files.
- Removed the "last updated" text in the footer.
- Added a link to fork the website repo.
- Changed my picture to pull from Gravatar again.