Wordpress integration for testing branch

Wordpress integration for testing branch

Features a clean integration using only the new integration structure.
* chat/lib/integration/wordpress/
* chat/lib/integration/wordpress/template/
* chat/lib/integration/wordpress/template/loggedOut.html
* chat/lib/integration/wordpress/CustomAJAXChat.php
* chat/lib/integration/wordpress/CustomAJAXChatInterface.php
* chat/lib/integration/wordpress/CustomAJAXChatShoutBox.php
* chat/lib/integration/wordpress/startup.php

Based on integration developed by utan (http://vcomputadoras.com/ajaxchat-wordpress-integration/)