Add in Ant 1.6 javadocs for presetdef and macrodef

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@275085 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/taskdefs/MacroDef.java

@@ -72,6 +72,7 @@ import org.apache.tools.ant.UnknownElement;
  * Describe class <code>MacroDef</code> here.
  *
  * @author Peter Reilly
+ * @since Ant 1.6
  */
 public class MacroDef extends Task implements AntlibInterface, TaskContainer {
     private UnknownElement nestedTask;

src/main/org/apache/tools/ant/taskdefs/MacroInstance.java

@@ -77,6 +77,7 @@ import org.apache.tools.ant.RuntimeConfigurable;
  * and makes a copy of the unknown element, substituting
  * the the parameter values in attributes and text.
  * @author Peter Reilly
+ * @since Ant 1.6
  */
 public class MacroInstance extends Task implements DynamicConfigurator {
     private MacroDef template;

src/main/org/apache/tools/ant/taskdefs/PreSetDef.java

@@ -75,6 +75,7 @@ import org.apache.tools.ant.UnknownElement;
  * </pre>
  *
  * @author Peter Reilly
+ * @since Ant 1.6
  */
 public class PreSetDef extends Task implements AntlibInterface, TaskContainer {
     private UnknownElement nestedTask;