Rename checkout page url

The Firecheckout URL can be changed at app\code\local\TM\FireCheckout\etc\config.xml by editing "frontName" and "firecheckout_index" parameters

<frontend>
    <secure_url>
        <firecheckout_index>/firecheckout</firecheckout_index>
    </secure_url>
    <routers>
        <firecheckout>
            <use>standard</use>
                <args>
                    <module>TM_FireCheckout</module>
                    <frontName>firecheckout</frontName>
                </args>
        </firecheckout>
    </routers>
    ...
</frontend>

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