Break blog header up into functional chunks. Stick it all in a WP class for now. Make wp() the front door. Move template/theme loader code into template-loader.php. Clean up feed file loadup. Modularize.

git-svn-id: https://develop.svn.wordpress.org/trunk@2627 602fd350-edb4-49c9-b593-d223f7449a82

wp-trackback.php

@@ -1,10 +1,8 @@
 <?php
-require_once( dirname(__FILE__) . '/wp-config.php' );
 
-if ( empty($doing_trackback) ) {
-	$doing_trackback = true;
-	$tb = true;
-	require_once('wp-blog-header.php');
+if (empty($wp)) {
+	require_once('wp-config.php');
+	wp('tb=1');
 }
 
 function trackback_response($error = 0, $error_message = '') {