Added support for scan of SOLR indexes. To enable support, add the following request...

Added support for scan of SOLR indexes. To enable support, add the following request handler to your solrconfig.xml file.

	<!-- Terms Component http://wiki.apache.org/solr/TermsComponent A
		component to return terms and document frequency of those terms
	  -->
	<searchComponent name="terms" class="solr.TermsComponent" />

	<!-- A request handler for demonstrating the terms component -->
	<requestHandler name="/terms" class="solr.SearchHandler"
					startup="lazy">
		<lst name="defaults">
			<bool name="terms">true</bool>
		</lst>
		<arr name="components">
			<str>terms</str>
		</arr>
	</requestHandler>