Switch base template to use static tag rather than STATIC_URL.
Update 404 JS to work on HTTPS without warnings about insecure content.
Upgrade LESS version and update Salt state to assert the correct version.
Update modernizr version.
Use LESS and Modernizr from Cloudflare CDN. Downgrades LESS to 1.5.1 for now.
Merge pull request #66 from caktus/default-static

Updates to Static Defaults
Merge in latest master updates.