Fix pinned articles not being at the top
Link whole article teaser to article

The title, image, intro and of course the read more link are now linked
to the article. The title, image and intro no longer rely on JavaScript,
but still have a disguised link (no colored/underlined text). The css
class disguised_link, first used for comments, is used for this.
Remove article teaser hover effect in PHPark theme

No longer the whole teaser is linked, only the text and images. This
makes the hover effect misleading.