Make test cases ipv4 compatible (they were ipv6 only...)

tests/src/pokerth_test/RunRankingGameTest.java

@@ -130,7 +130,7 @@ public class RunRankingGameTest extends TestBase {
 		Socket s[] = new Socket[9];
 		long playerId[] = new long[9];
 		for (int i = 0; i < 9; i++) {
-			s[i] = new Socket("::1", 7234);
+			s[i] = new Socket("localhost", 7234);
 			String username = "test" + (i+1);
 			String password = username;
 			playerId[i] = userInit(s[i], username, password);

tests/src/pokerth_test/TestBase.java

@@ -54,7 +54,7 @@ public abstract class TestBase {
 	@Before
 	public void setUp() throws Exception {
 		Thread.sleep(2000);
-		sock = new Socket("::1", 7234);
+		sock = new Socket("localhost", 7234);
 		encoder = CoderFactory.getInstance().newEncoder("BER");
 		decoder = CoderFactory.getInstance().newDecoder("BER");
 	}