Update About page and GPGTools piece.

David O'Shaughnessy straightened me out on PGP stuff.
Keybase domain identity proof.
Add a poopton of photos to Orlando guide.
Fix missing newline.
Keybase proof.
Add with_toc_data option to Redcarpet.
Extract work-related info into Work section.
Fix broken link.
Update Ruby.
Add footnote link styling and Markdown table styling.
Add Staying Sober with Homebrew draft.
Add Proposal for a Better Ruby Hash Include? draft
Add Proposed Implementation for Hash#contains?
Add draft for Burnout Buddies.
Add draft for An Open Source Rage Diamond
Add assets for Rage Diamond piece.
Update Redcarpet to 3.1.1.
Add random old assets.
Ignore .sass-cache.