<!-- 
	Configuration files should follow the following format
	
	<?xml version="1.0" encoding="UTF-8"?>
	<subscriber>
		<type>{The fully qualified class name that implements this subscriber}</type>
		<enabled>{yes|no - Only yes is checked in the code, everything else is disabled, case insensitive}</enabled>
		<filter>
			{An XPath expression returning a boolean that can be applied
			to the submitted survey results.  If this evaluates to true then
			the subscriber will be called - example: "//@id="hoarte"}
		</filter>
		<subscriber_specific>
			{Any XML elements that are specific to the subscriber}
		</subscriber_specific>
	</subscriber>

 -->

