Header comments for all files

[garkbit]

Add / modify header comments to all files, i.e.:

/* Index Template
 *
 * This is the default template.  It is used when a more specific template can't be found to display
 * posts.  It is unlikely that this template will ever be used, but there may be rare cases.
 *
 * @package Unique
 * @subpackage Template
 * @since 0.1.0
 * @author Justin Tadlock <justin@justintadlock.com>
 * @copyright Copyright (c) 2012, Justin Tadlock
 * @link http://themehybrid.com/themes/unique
 * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*/