Migrate from alfredxing/jekyll-archives
Update gemspec
Simplify .gitignore
Update license and attribution
Put archives in `site.keep_files` instead and populate `site.config['archives']`
Test `{{ site.archives }}`
Fix `read` method
Add source to Gemfile
Add support for months and days
Slug tags for URL
Slug: Remove punctuation, rather than replace with a hyphen.
Merge pull request #1 from jekyll/archives

Migrate from alfredxing/jekyll-archives