Change some headers.
Tone down font size a touch.
Tone down font size a touch.
Tone down line height.
Add sticky footer.
Update 2014-07-25-an-explanation-of-the-difference-between-mixins-and-extends-in-sass.md
Update about.md
Add gulpfile post.
Merge pull request #5 from johnotander/master

Add latest content to gh-pages.