renamed WikiDifferenceManager to DefaultDifferenceManager
diff --git a/jspwiki-main/src/main/java/org/apache/wiki/diff/WikiDifferenceManager.java b/jspwiki-main/src/main/java/org/apache/wiki/diff/DefaultDifferenceManager.java
similarity index 94%
rename from jspwiki-main/src/main/java/org/apache/wiki/diff/WikiDifferenceManager.java
rename to jspwiki-main/src/main/java/org/apache/wiki/diff/DefaultDifferenceManager.java
index e7100ad..c9c6c6a 100644
--- a/jspwiki-main/src/main/java/org/apache/wiki/diff/WikiDifferenceManager.java
+++ b/jspwiki-main/src/main/java/org/apache/wiki/diff/DefaultDifferenceManager.java
@@ -34,9 +34,9 @@
 /**
  * Load, initialize and delegate to the DiffProvider that will actually do the work.
  */
-public class WikiDifferenceManager implements DifferenceManager {
+public class DefaultDifferenceManager implements DifferenceManager {
 
-    private static final Logger log = Logger.getLogger( WikiDifferenceManager.class );
+    private static final Logger log = Logger.getLogger( DefaultDifferenceManager.class );
 
     private DiffProvider m_provider;
 
@@ -46,7 +46,7 @@
      * @param engine The WikiEngine.
      * @param props  A set of properties.
      */
-    public WikiDifferenceManager( final WikiEngine engine, final Properties props ) {
+    public DefaultDifferenceManager( final WikiEngine engine, final Properties props ) {
         loadProvider( props );
         initializeProvider( engine, props );
 
diff --git a/jspwiki-main/src/main/resources/ini/classmappings.xml b/jspwiki-main/src/main/resources/ini/classmappings.xml
index c2fbecf..f7c2628 100644
--- a/jspwiki-main/src/main/resources/ini/classmappings.xml
+++ b/jspwiki-main/src/main/resources/ini/classmappings.xml
@@ -93,7 +93,7 @@
   </mapping>
   <mapping>
     <requestedClass>org.apache.wiki.diff.DifferenceManager</requestedClass>
-    <mappedClass>org.apache.wiki.diff.WikiDifferenceManager</mappedClass>
+    <mappedClass>org.apache.wiki.diff.DefaultDifferenceManager</mappedClass>
   </mapping>
   <mapping>
     <requestedClass>org.apache.wiki.i18n.InternationalizationManager</requestedClass>