Added default language pack (en-gb)

catalog/account/tracking.php

@@ -0,0 +1,15 @@
+<?php
+// Heading
+$_['heading_title']    = 'Affiliate Tracking';
+
+// Text
+$_['text_account']     = 'Account';
+$_['text_description'] = 'To make sure you get paid for referrals you send to us we need to track the referral by placing a tracking code in the URL\'s linking to us. You can use the tools below to generate links to the %s web site.';
+
+// Entry
+$_['entry_code']       = 'Your Tracking Code';
+$_['entry_generator']  = 'Tracking Link Generator';
+$_['entry_link']       = 'Tracking Link';
+
+// Help
+$_['help_generator']  = 'Type in the name of a product you would like to link to';