refactor: Initial changes to cut to reveal.js
refactor: Removing deck.js atrifacts
refactor: Remove deck.js template
feature: Nest sections for indented slides

Reveal.js lets you have slides advance left --> and up --> down. We'll assume
that a sections indented by a tab or at least two spaces is meant to be up -->
down instead of left --> right.
fix: Fix slide nesting
test: Switching to more holistict testing...
fix: Allow empty lines in nested slides
test: Add initial test
chore: Update description (OCD)
refactor: Initial tests passing...
test: Add some failing tests to fix...
chore: Remove commented out code
refactor: Simplifying... lots
test: Check for styles and scripts
feature: Pass through reveal.js init params
test: Make sure all mustache templates are filled in
refactor: Remove unused code in CLI and libs
refactor: Clear out more unused code
test: Add test for slide nesting
fix: Nest indented slides