index migration to lucene 4.4

defaults/solr/solrconfig.xml

@@ -35,7 +35,7 @@
      that you fully re-index after changing this setting as it can
      affect both how text is indexed and queried.
      -->
-    <luceneMatchVersion>LUCENE_40</luceneMatchVersion>
+    <luceneMatchVersion>4.4</luceneMatchVersion>
     
     <!-- <lib/> directives can be used to instruct Solr to load an Jars
      identified and use them to resolve any "plugins" specified in

source/net/yacy/search/index/Fulltext.java

@@ -85,8 +85,8 @@ import org.apache.solr.core.CoreContainer;
 
 public final class Fulltext {
 
-    private static final String SOLR_PATH = "solr_40"; // the number should be identical to the number in the property luceneMatchVersion in solrconfig.xml
-    private static final String SOLR_OLD_PATH[] = new String[]{"solr_36"};
+    private static final String SOLR_PATH = "solr_44"; // the number should be identical to the number in the property luceneMatchVersion in solrconfig.xml
+    private static final String SOLR_OLD_PATH[] = new String[]{"solr_36", "solr_40"};
     
     // class objects
 	private final File                    segmentPath;