Require github-pages gem (with at least Jekyll 2.0)
Add CNAME for www.louisvillesquares.org
Add test.md -> test.html

Prints site. and site.github. variables for urls and such
Make absolute URLs work with both project and user/org Github Pages

Replace site.url with site.github.url in all Liquid templates. See
https://help.github.com/articles/repository-metadata-on-github-pages/ .
This is ignored for local `jekyll serve`.
Add LOTSA site metadata
Add author info for Chet Gray
Add some initial content to About page

Mentions trad-style squares and Third Thursdays. Links to Facebook and
Meetup.
Merge pull request #1 from chetgray/gh-pages

Get louisvillesquares.org up going