+17-Jan-2011 Janusz Dobrowolski
+# Removed sparse Add button
+$ /admin/inst_module.php
+# Check for qoh for supplier credit was missing.
+$ /purchasing/supplier_credit.php
+# Screen refresh on Update button fixed
+$ /sales/customer_credit_invoice.php
+# Fixed theme images location
+$ /themes/aqua/renderer.php
+ /themes/cool/renderer.php
+ /themes/default/renderer.php
+# Fixed slow sql for po related invoices/credits
+$ /purchasing/includes/db/invoice_db.inc
+