more cosmetics: added options to validate with http://www.jslint.com still doesn't fully validate because of "== null" and if without block. removed unnecessary semicolons after if and for.

/**
 * 
 */
package digilib.io;

import java.util.HashMap;

/** Map for metadata related to files.
 * @author casties
 *
 */
public class MetadataMap extends HashMap<String, String> {

}