Removes mailcheck dependency since no longer used here.
Defines AMD module if we're in AMD-land.
Updated to h3 styles (and h4).
Merge pull request #232 from DoSomething/header-style-update

Updated to h3 styles (and h4).
Updates footer structure with proper namespace.
Updated menu code with new markup.
Merge pull request #231 from DoSomething/amd

Defines AMD module if we're in AMD-land.
Fixed display issues with mobile nav.
Sets a fixed text size on nav & adjusts spacing.
Updates .banner syntax to allow for multiple line banners
Updates header to play nicely with 18px base font size.
Misc. linting warnings
Merge pull request #229 from DoSomething/remove-mailcheck

Removes mailcheck dependency since no longer used here.
Merge pull request #233 from DoSomething/chrome-footer

Chrome footer
Merge pull request #235 from DoSomething/header-nav-sizing

Header nav sizing
Merge pull request #234 from DoSomething/banner-styles

Banner Styles
Release v3.2.1