First pass at better title handling for WordPress 4.1+ with proper back compatibility baked in.

functions.php

@@ -33,6 +33,14 @@ function _s_setup() {
 	// Add default posts and comments RSS feed links to head.
 	add_theme_support( 'automatic-feed-links' );
 
+	/*
+	 * Let WordPress manage the document title.
+	 * By adding theme support, we declare that this theme does not use a
+	 * hard-coded <title> tag in the document head, and expect WordPress to
+	 * provide it for us.
+	 */
+	add_theme_support( 'title-tag' );
+
 	/*
 	 * Enable support for Post Thumbnails on posts and pages.
 	 *