Changed signatures of directory listing returning methods to

SortedMap where appropriate.  Fixed embarassing accumulation of
broken javadocs.


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/WCM-DEV2/root@3258 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/avm/VersionRootImpl.java

@@ -157,7 +157,7 @@ public class VersionRootImpl implements VersionRoot, Serializable
     /**
      * Check equality.  Based on Repository equality and version id equality.
      * @param obj
-     * @return
+     * @return Equality.
      */
     @Override
     public boolean equals(Object obj)