added api to fetch a single changeset

scm-plugins/scm-hg-plugin/src/main/java/sonia/scm/repository/HgChangesetViewer.java

@@ -103,6 +103,20 @@ public class HgChangesetViewer extends AbstractHgHandler
 
   //~--- get methods ----------------------------------------------------------
 
+  /**
+   * Method description
+   *
+   *
+   * @param revision
+   *
+   * @return
+   */
+  @Override
+  public Changeset getChangeset(String revision)
+  {
+    throw new UnsupportedOperationException("Not supported yet.");
+  }
+
   /**
    *
    *