XML templates: modified headers to improve HTML5 outlining;
     added guidelines for using headers in Innovation theme

   admin/inc/tmp/tmp-components.xml
   admin/inc/tmp/tmp-index.xml
Innovation theme: HTML5 and outlining improved; style.css updated

theme/Innovation/footer.inc.php
theme/Innovation/header.inc.php
theme/Innovation/style.css
theme/Innovation/template.php