Add some "pipe to self" trick in Pyro server to accelerate runtime shutdown instead of waiting for arbitrary pyro timeout.
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<xhtml:p><![CDATA[]]></xhtml:p>
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<init>
<xhtml:p><![CDATA[]]></xhtml:p>
</init>
<cleanup>
<xhtml:p><![CDATA[]]></xhtml:p>
</cleanup>
<start>
<xhtml:p><![CDATA[]]></xhtml:p>
</start>
<stop>
<xhtml:p><![CDATA[]]></xhtml:p>
</stop>
</PyFile>