Added default language pack (en-gb)

catalog/account/logout.php

@@ -0,0 +1,8 @@
+<?php
+// Heading
+$_['heading_title'] = 'Account Logout';
+
+// Text
+$_['text_message']  = '<p>You have been logged off your account. It is now safe to leave the computer.</p><p>Your shopping cart has been saved, the items inside it will be restored whenever you log back into your account.</p>';
+$_['text_account']  = 'Account';
+$_['text_logout']   = 'Logout';