config.xml

<?xml version="1.0"?>
<config>
  <modules>
    <Writeyourcode_Customer>
      <version>1.0</version>
    </Writeyourcode_Customer>
  </modules>
 
  <frontend>
    <routers>
      <customer>
        <args>
          <modules>
            <Writeyourcode_Customer before="Mage_Customer">Writeyourcode_Customer</Writeyourcode_Customer>
          </modules>
        </args>
      </customer>
    </routers>
  </frontend>
</config>