Made TcpConfig back immutable; Draw the borderline: Builders are mutable, Configs are immutable (hence ChronicleHashInstanceBuilder and StatelessClientBuilder renamed to Configs; improved TcpConfig static factory naming

src/test/java/net/openhft/chronicle/map/Builder.java

@@ -25,6 +25,7 @@ import java.io.File;
 import java.io.IOException;
 import java.io.RandomAccessFile;
 import java.net.InetSocketAddress;
+import java.util.Arrays;
 import java.util.concurrent.TimeUnit;
 
 /**
@@ -71,7 +72,7 @@ public class Builder {
             final byte identifier,
             final int serverPort,
             final InetSocketAddress... endpoints) throws IOException {
-        TcpConfig tcpConfig = TcpConfig.of(serverPort, endpoints)
+        TcpConfig tcpConfig = TcpConfig.unknownTopology(serverPort, Arrays.asList(endpoints))
                 .heartBeatInterval(1L, TimeUnit.SECONDS);
         return ChronicleMapBuilder.of(kClass, vClass)
                 .replication(identifier,  tcpConfig);