Load vendor libraries from Tumblr's theme file hosting service.
Initial pass at Tumblr theme integration.
Add icons for Web and Apple iOS user agents.
Include `css/main.css` as embedded style sheet Because Tumblr. (I know.)
Use `<span>`, not `<div>`, as block-level elements are illegal here.
Fix broken Tumblr {block:*} tags.
Host custom fonts at BradleyManning.org, load them from there.
First custom variables; customizable counter start date, hero name, etc.
Merge branch 'master' into tumblr

Conflicts:
	web/index.html
Simplify custom variables, CSS, remove unneeded design-only HTML, too.
Merge branch 'master' into tumblr

Conflicts:
	web/index.html
Generalize `.campaign-section` styles to `<section>` elements, add one.
Merge branch 'master' into tumblr

Conflicts:
	web/index.html
More robust CSS for when there is no `<a>` element provided in list.