Magento Custom Dashboard Tab - KS_Dashboard.xml

<!-- Path : app\etc\modules\KS_Dashboard.xml -->

<?xml version="1.0"?>
<config>
    <modules>
        <KS_Dashboard>
            <active>true</active>
            <codePool>local</codePool>
            <depends>
                <Mage_Adminhtml />
            </depends>
        </KS_Dashboard>
    </modules>
</config>