Merge pull request iipc#32 from kris-sigur/Issue-2-fix

Java 6 compatibility

Author: johnerikhalse

src/test/java/org/archive/net/PublicSuffixesTest.java

@@ -36,7 +36,7 @@
  */
 public class PublicSuffixesTest extends TestCase {
     // test of low level implementation
-    private final String NL = System.lineSeparator();
+    private final String NL = System.getProperty("line.separator");
 
     public void testCompare() {
         Node n = new Node("hoge");