Move analytics to HEAD.

To capture all pageviews, move analytics script to HEAD.  This will
capture views even if they click away before the scripts are loaded at
the bottom of BODY.
Add Unsemantic as submodule.

Unsemantic is an adaptive grid system.  It relies heavily on Adapt.js.
Incorporate Unsemantic styles via Adapt.js.

Modernizr loads a script that makes Adapt load the small (non-IE) styles.
Then it checks to see if we're on an old IE and if so, switches to the old IE styles.
When these are loaded and executed, Adapt.js fires and loads the appropriate styles.
Fix typo in call to REM polyfill.
First cut at creating a site-wide page template.

Template for new page creation is now called page_template.php.
Add HEADER tag to the Template.

Encapsulate Banner, nav, etc in an HTML5 header element.
Roll template changes into index.
Initial styling.

Introduce major colors and alignment properties.
Incomplete styling of the nav bar.

TODO: Even out nav bar vertically.