move code to src/test

* so that it compiles and tests pass
* fix some additional snip references in getting started

akka-docs/src/test/java/jdocs/routing/RedundancyGroup.java

@@ -0,0 +1,48 @@
+/**
+ * Copyright (C) 2009-2017 Lightbend Inc. <http://www.lightbend.com>
+ */
+package jdocs.routing;
+
+//#group
+import java.util.List;
+
+import akka.actor.ActorSystem;
+import akka.dispatch.Dispatchers;
+import akka.routing.Router;
+
+import com.typesafe.config.Config;
+
+import akka.routing.GroupBase;
+import static jdocs.routing.CustomRouterDocTest.RedundancyRoutingLogic;
+
+public class RedundancyGroup extends GroupBase {
+  private final List<String> paths;
+  private final int nbrCopies;
+  
+  public RedundancyGroup(List<String> paths, int nbrCopies) {
+    this.paths = paths;
+    this.nbrCopies = nbrCopies;
+  }
+
+  public RedundancyGroup(Config config) {
+    this(config.getStringList("routees.paths"),
+      config.getInt("nbr-copies"));
+  }
+  
+  @Override
+  public java.lang.Iterable<String> getPaths(ActorSystem system) {
+    return paths;
+  }
+
+  @Override
+  public Router createRouter(ActorSystem system) {
+    return new Router(new RedundancyRoutingLogic(nbrCopies));
+  }
+
+  @Override 
+  public String routerDispatcher() {
+    return Dispatchers.DefaultDispatcherId();
+  }
+ 
+}
+//#group