use code ray for syntax highlighting
updated alerts
Merge branch '4.0-wip' of github.com:zurb/foundation into 4.0-wip
fixing CodeRay Classes
wrap syntax in div containing language as class name
finished docs for buttons, breadcrumbs and alerts. Adding codeRay syntax highlighting, styles, etc.
updated js assets
moved scss files into final folder structure. Wrote docs for button groups. Various other small bits that snuck there way into this train of thought.
added dropdown style, classes, variables, mixins, etc
updated where style comes in for the dropdown mixin
updated variable comments
updated variables in each component class section, started reveal mixin
initial update to orbit plugin
Merge branch '4.0-wip' of github.com:zurb/foundation into 4.0-wip

Conflicts:
	docs/js/docs.js
	docs/layout.html.erb
	lib/assets/js/foundation/foundation.orbit.js
	scss/foundation/components/small-screen/_orbit.scss
finished reveal mixin
initial orbit update using viewport style approach
Merge branch '4.0-wip' of github.com:zurb/foundation into 4.0-wip
started sections mixin conversion
updated sections mixin
Merge branch '4.0-wip' of github.com:zurb/foundation into 4.0-wip