=== EDIT 1 ===
This is the config.xml
for the module:
<?xml version="1.0" encoding="UTF-8"?>
<config>
<modules>
<Disc_Quote>
<version>0.0.1</version>
</Disc_Quote>
</modules>
<global>
<blocks>
<mhquote>
<class>Disc_Quote_Block</class>
</mhquote>
</blocks>
<helpers>
<mhquote>
<class>Disc_Quote_Helper</class>
</mhquote>
</helpers>
<models>
<mhquote>
<class>Disc_Quote_Model</class>
</mhquote>
</models>
</global>
<frontend>
<routers>
<mhquote>
<use>standard</use>
<args>
<module>Disc_Quote</module>
<frontName>mhquote</frontName>
</args>
</mhquote>
</routers>
<layout>
<updates>
<mhquote>
<file>mhquote.xml</file>
</mhquote>
</updates>
</layout>
</frontend>
</config>