JavaScript clean up

- Modernizr is now enqueued and included after stylesheets

- jQuery is no longer hardcoded since WP now supports protocol-relative
URLs

- jQuery fallback output is handled by a new function in lib/scripts.php
(the method is still the same one from HTML5 Boilerplate)

templates/footer.php

@@ -14,4 +14,4 @@
 </script>
 <?php endif; ?>
 
-<?php wp_footer(); ?>
+<?php wp_footer(); ?>