New post: 2013-10-23-shipped-tug-for-continuous-deployment.
Updated post: 2013-05-06-experimenting-with-continuous-deployment-for-feature-branches.

Added note about Tug availability.
Updated home page.

Added a note about Tug.
Migrate from jekyll-s3 to s3_website.

jekyll-s3 is deprecated and has been superseded by s3_website. Don't
like that I can't change the path to the config file. Now I can't use
the underscore convention.