break out generic item heading style
bottom padding to make look nicenice
Merge branch 'master' into tl-item-heading

Conflicts:
	_site/assets/css/sassquatch.css
	_site/assets/css/sassquatch_mobile.css
	jekyll_docs/assets/css/sassquatch.css
	jekyll_docs/assets/css/sassquatch_mobile.css
Merge branch 'dev' into tl-item-heading

Conflicts:
	_site/assets/css/sassquatch_mobile.css
	jekyll_docs/assets/css/sassquatch_mobile.css
Merge pull request #188 from meetup/tl-item-heading

Break out tl-item heading style so it can be used in custom content