Added default language pack (en-gb)

catalog/account/download.php

@@ -0,0 +1,14 @@
+<?php
+// Heading
+$_['heading_title']     = 'Account Downloads';
+
+// Text
+$_['text_account']      = 'Account';
+$_['text_downloads']    = 'Downloads';
+$_['text_empty']        = 'You have not made any previous downloadable orders!';
+
+// Column
+$_['column_order_id']   = 'Order ID';
+$_['column_name']       = 'Name';
+$_['column_size']       = 'Size';
+$_['column_date_added'] = 'Date Added';