*/
public void deleteDir(File dir) {
Delete task = new Delete();
task.setProject(project);
task.setTaskName("delete");
FilenameSelector fns = new FilenameSelector();
fns.setName("**/*");
FileSet fs = new FileSet();
fs.setDir(dir);
fs.addFilename(fns);
task.addFileset(fs);
task.setIncludeEmptyDirs(true);