changed prefer strategy for http unique in such a way that http is

preferred over https. While this is a bad idea from the standpoint of
security it is more common applicable for environments where http and
https mix and for some domains https is not available. Then the
double-check is possible even if no postprocessing is performed.

defaults/yacy.init

@@ -1033,7 +1033,7 @@ search.ranking.solr.doubledetection.quantrate=0.5f
 # Another attribute for double content is a 'greedy' ignoring of a http url is present for each https and vice versa
 # The same may be true for documents with leading 'www.' subdomain and without.
 # The following attributes will cause that https is preferred over http and with-www is preferred over without-www
-search.ranking.uniqueheuristic.preferhttps = true
+search.ranking.uniqueheuristic.preferhttps = false
 search.ranking.uniqueheuristic.preferwwwprefix = true
 
 #optional extern thumbnail program.

source/net/yacy/search/Switchboard.java

@@ -373,7 +373,7 @@ public final class Switchboard extends serverSwitch {
                 SwitchboardConstants.DICTIONARY_SOURCE_PATH_DEFAULT);
         this.log.config("Dictionaries Path:" + this.dictionariesPath.toString());
 
-        CollectionConfiguration.UNIQUE_HEURISTIC_PREFER_HTTPS = this.getConfigBool("search.ranking.uniqueheuristic.preferhttps", true);
+        CollectionConfiguration.UNIQUE_HEURISTIC_PREFER_HTTPS = this.getConfigBool("search.ranking.uniqueheuristic.preferhttps", false);
         CollectionConfiguration.UNIQUE_HEURISTIC_PREFER_WWWPREFIX = this.getConfigBool("search.ranking.uniqueheuristic.preferwwwprefix", true);
         
         

source/net/yacy/search/schema/CollectionConfiguration.java

@@ -108,7 +108,7 @@ public class CollectionConfiguration extends SchemaConfiguration implements Seri
 
     private static final long serialVersionUID=-499100932212840385L;
 
-    public static boolean UNIQUE_HEURISTIC_PREFER_HTTPS = true;
+    public static boolean UNIQUE_HEURISTIC_PREFER_HTTPS = false;
     public static boolean UNIQUE_HEURISTIC_PREFER_WWWPREFIX = true;
     
     private final ArrayList<Ranking> rankings;