add a getPropertys() method to context so that some tasks (like Junit) can grab a *copy* of all the propertys

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@271469 13f79535-47bb-0310-9956-ffa450edef68

proposal/myrmidon/src/java/org/apache/myrmidon/api/TaskContext.java

@@ -92,6 +92,13 @@ public interface TaskContext
      */
     Object getProperty( String name );
 
+    /**
+     * Retrieve a copy of all the properties accessible via context.
+     *
+     * @return the map of all property names to values
+     */
+    Map getPropertys();
+
     /**
      * Set property value in current context.
      *