Recommend using the github-pages gem

This ensures your development environment is using the same version of
Jekyll and its dependencies as GitHub Pages.

See https://github.com/github/pages-gem and
https://help.github.com/articles/using-jekyll-with-pages#installing-jekyll
Remove unused files created by default by Jekyll
Get rid of unnecessary subdirectories for each page

Jekyll maps `<jekyll root>/foo.html` to `http://<base url>/foo/`.
There's no need for a subdirectory.
Get rid of the extra space between "U." and "S." on the homepage

The simplest way to do this is to remove the whitespace in the source.
Merge pull request #12 from aroben/pages-gem

Recommend using the github-pages gem
Merge pull request #15 from aroben/us-extra-space

Get rid of the extra space between "U." and "S." on the homepage
Remove "How Corruption Blocks Reform" page

There seem to be no links to it.
Create CNAME
Merge pull request #17 from aroben/unused-page

Remove "How Corruption Blocks Reform" page
Merge pull request #14 from aroben/fewer-directories

Get rid of unnecessary subdirectories for each page
Merge pull request #13 from aroben/remove-jekyll-cruft

Remove unused files created by default by Jekyll
Run HTML Tidy on all content imported from WordPress

This should make it easier to modify this content in the future, and to
see the changes in diff form.

I used https://github.com/w3c/tidy-html5 so elements like `<header>`
would be recognized. The command I ran was:

    tidy -utf8 -indent -wrap 0
Reinstate empty elements removed by HTML Tidy

The following command preserves these elements:

    tidy -utf8 -indent -wrap 0 --drop-empty-elements no --drop-empty-paras no