Add jekyll

Ran `jekyll new …` and then tweaked the default output to remove some
extra stuff.
Add package.json
Add a number of grunt-related node modules
Write basic Gruntfile
Ignore .sass-cache
Write basic SCSS stylesheet
Update readme with project setup instructions
Ignore sublime-project files
Tweak Grunt stylesheet compiling, add compass
Begin writing basic styles
Create basic header and footer includes
Split apart jekyll watch/serve and build
Update live reloading in Gruntfile

Watch and live reload stylesheets and templates
Add background gradient
Lighten text color
Adjust grid styles

- Add more column width aliases
- Only apply the grid once viewport width meets or exceeds 768px
- Adjust grid-col and grid-row selectors
Tweak logo size
Add more base styles

- Minor resets on margin/padding
- HTML5 element block display for old-n-crappy browsers
- Add list styles
Tweak header grid sizing
Write basic link styles