comment-out webkit font smoothin, convert nice-type to extend
Merge branch 'master' into extend-nice-type

Conflicts:
	_site/assets/css/sassquatch.css
	_site/assets/css/sassquatch_mobile.css
	_site/assets/css/sassquatch_tests.css
	css/sassquatch.css
	css/sassquatch_mobile.css
	jekyll_docs/assets/css/sassquatch.css
	jekyll_docs/assets/css/sassquatch_mobile.css
	jekyll_docs/assets/css/sassquatch_tests.css
Merge pull request #135 from meetup/extend-nice-type

nice-type makes a good @extendable %placeholder