Added default language pack (en-gb)

catalog/extension/payment/bank_transfer.php

@@ -0,0 +1,6 @@
+<?php
+// Text
+$_['text_title']       = 'Bank Transfer';
+$_['text_instruction'] = 'Bank Transfer Instructions';
+$_['text_description'] = 'Please transfer the total amount to the following bank account.';
+$_['text_payment']     = 'Your order will not ship until we receive payment.';