Ignoring bundler-created stuff
Show all posts on the blog.html

This is a simple loop for showing all posts. It will show the full
posts, which we'll want to change at some point when we have really long
posts.
Simple post layout

We don't currently have a single-post view, but Jekyll complains if this
layout file isn't present.
Simple styling for blog content
First post
Provide a helpful rake task

This gives us a way to create new posts with rake.
Set depenencies on Rake and stringex