update lucenematchversion to current (5.2.0 -> 5.5.0)

there should be no need for reindex by the update

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>5.2.0</luceneMatchVersion>
+  <luceneMatchVersion>5.5.0</luceneMatchVersion>
 
   <!-- <lib/> directives can be used to instruct Solr to load any Jars
        identified and use them to resolve any "plugins" specified in

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

@@ -86,8 +86,8 @@ import org.apache.lucene.util.Version;
 
 public final class Fulltext {
 
-    private static final String SOLR_PATH = "solr_5_2"; // the number should be identical to the number in the property luceneMatchVersion in solrconfig.xml
+    private static final String SOLR_PATH = "solr_5_5"; // 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", "solr_44", "solr_45", "solr_46", "solr_47", "solr_4_9", "solr_4_10"};
+    private static final String SOLR_OLD_PATH[] = new String[]{"solr_36", "solr_40", "solr_44", "solr_45", "solr_46", "solr_47", "solr_4_9", "solr_4_10", "solr_5_2"};
     
     // class objects
     private final File                    segmentPath;