Minor grammar fix
Remove articles

We'll be fine with just a blog (posts under blog/_posts/).
Merge branch 'calendar-include'

More work to be done, but this is enough to publish for now.
Google Webmaster Tools ownership verification
New links collection and page

Links are documents in a collection. YAML front matter has title for
link name and link for URL. Document content (Markdown or HTML) is link
description.
Add some links
Add link to main page
Merge branch 'links-list'

Still more work, but this is good for now.