allow setting number of lines for each font-face
namespace variables for layout helpers
re-organize directories and modules
use Yahoo's Pure Forms module
organize things
layout clearfix
convenience mixins for forms
Merge branch 'master' into modular

Conflicts:
	lib/_grid.scss
	lib/_layout.scss
	lib/_type.scss
	lib/_util.scss
	scss/layout/_grid.scss
	scss/layout/_visibility.scss
	scss/lib/_grid.scss
	scss/lib/_type.scss
	scss/lib/_util.scss
	scss/type/_main.scss