formatting cleanup, linkify values
Merge branch 'mb-pages-codey-sketch' of https://github.com/mapbox/mapbox-gl-style-spec into mb-pages-codey-sketch

Conflicts:
	_generate/index.html
	index.html
Merge branch 'mb-pages-codey-sketch' of https://github.com/mapbox/mapbox-gl-style-spec into mb-pages-codey-sketch
more formatting