Update home page.
Updates from MJD.
Fixing code blocks to be more readable.
Add Danielle's photo.
Merge branch 'gh-pages' of github.com:hausdorff/bangbangcon.github.io into gh-pages
Bold-ify rntz.
Square-ify Danielle's photo.
Square-ify Parrish's picture.
Square-ify Omar's picture.
Add Andrew Gwozdziewycz.