Move the ACF-related functions into functions/advanced-custom-fields.php (previously used for ACF exports); updated README regarding the starter plugin repo
Set up the theme to use Compass instead of just vanilla Sass
Remove the Google Analytics code - it's smarter to use a plugin for this
Clean up some of the default styles, implement some parts of Zurb Foundation (mostly rem-based calculations) that I like
Now we're building with Grunt!