Add grunt. Replace compass with autoprefixer. Progress towards #15

You currently need two terminal tabs to watch/serve.
One for Jekyll to regenerate the _site folder, and one for sass. `grunt
serve` in one, `grunt watch` in the other.
Update link to Eightfold Studios to Facebook page.
Separate Modernizr and Shuffle. Create custom build of Shuffle with custom Modernizr.

Ref #15
Also replace the global throttle/debounce with Underscore’s and define
it locally for Shuffle.
Next up: AMD support.
Prefix remaining private methods which didn't have an underscore with an underscore. #16 #17
Add AMD support. Add RequireJS demo. Ref #15
Add the require js demo to config file with images.
Document adding and removing collections. Closes #19

Add an arrow icon and more obvious links to demos from each section.
Update banner
Add shuffle to bower `shufflejs`. Update read me.
Should have committed bower.json before registering...
bump to 2.0.7
commas are important.
Add social links and anchor links for each header.
Bump to 2.1.0. Bower support, separate Modernizr file.