Merge pull request #238 from rhyolight/news-posts

Updating news post on build artifacts, and publishing. Publishing news p...
Removing the fork banner because it always messes up social media links that try to include images.
Removing prettyPhoto script that doesn't work yet.
Adding prettyPhoto for youtube videos so I don't have to embed them, which really slows down the page when there are several videos. Updated news post and media page to use it.
Merge pull request #240 from rhyolight/remove-fork-banner

Remove fork banner, add prettyPhoto for videos.
Merge remote-tracking branch 'upstream/gh-pages' into gh-pages

Conflicts:
	_includes/header.html