added one more convenience method.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@19095 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/FilePath.java

@@ -1254,6 +1254,14 @@ public final class FilePath implements Serializable {
         void close() throws IOException;
     }
 
+    /**
+     * Copies the contents of this directory recursively into the specified target directory.
+     * @since 1.312 
+     */
+    public int copyRecursiveTo(FilePath target) throws IOException, InterruptedException {
+        return copyRecursiveTo("**/*",target);
+    }
+
     public int copyRecursiveTo(String fileMask, FilePath target) throws IOException, InterruptedException {
         return copyRecursiveTo(fileMask,null,target);
     }