Use bundler to manage dependencies
Update copyright year
Update config
Remove Disqus comments
Modernize existing rake commands
Add _drafts directory
Move `brewing` dir under `_posts`

I don't know why this was even a top-level dir before
Remove unpublished now irrelevant post
Fix "Newer Posts" pagination link for first page

Jekyll does not generate a `page1/index.html` so send back to the base
url.