add publish to transaction

src/main/java/redis/clients/jedis/Transaction.java

@@ -566,4 +566,15 @@ public class Transaction extends BinaryTransaction {
         client.lastsave();
         return getResponse(BuilderFactory.LONG);
     }
+
+    public Response<Long> publish(String channel, String message) {
+        client.publish(channel, message);
+        return getResponse(BuilderFactory.LONG);
+    }
+
+    public Response<Long> publish(byte[] channel, byte[] message) {
+        client.publish(channel, message);
+        return getResponse(BuilderFactory.LONG);
+    }
+
 }

src/test/java/redis/clients/jedis/tests/commands/TransactionCommandsTest.java

@@ -219,4 +219,15 @@ public class TransactionCommandsTest extends JedisCommandTestBase {
         string.get();
         t.exec();
     }
+
+    @Test
+    public void lala() {
+        Transaction multi = jedis.multi();
+        Response<Long> publish = multi.publish("foo", "bar");
+        Response<Long> bpublish = multi.publish("foo".getBytes(), "bar"
+                .getBytes());
+        multi.exec();
+        assertEquals(0, publish.get().longValue());
+        assertEquals(0, bpublish.get().longValue());
+    }
 }