Fixing CSS for level 2 navigation
Add parents to breadcrumbs
Remove anchor from current page in breadcrumbs
Merge pull request #80 from ehough/add-parents-to-breadcrumbs

Add parents to breadcrumbs
Merge pull request #79 from ehough/fix-l2-navigation-css

Fix CSS for level 2 navigation
Update theme.css from PR
Fix the link to theme.js. Fixes #75
Default to https on modernizr.

This stops content warnings when users use https,
and has no ill effects when they're on http.

Fixes #72