Upgraded routing documentation to Akka 2.0. See #1063

akka-docs/scala/code/akka/docs/routing/ActorPoolExample.scala

@@ -0,0 +1,21 @@
+package akka.docs.routing
+
+import akka.routing.{ BasicNoBackoffFilter, SmallestMailboxSelector, DefaultActorPool }
+import akka.actor.{ ActorRef, Props, Actor }
+
+//#testPool
+class TestPool extends Actor with DefaultActorPool with SmallestMailboxSelector with BasicNoBackoffFilter {
+
+  def capacity(delegates: Seq[ActorRef]) = 5
+  protected def receive = _route
+  def rampupRate = 0.1
+  def selectionCount = 1
+  def partialFill = true
+
+  def instance(defaults: Props) = context.actorOf(defaults.withCreator(new Actor {
+    def receive = {
+      case _ ⇒ // do something
+    }
+  }))
+}
+//#testPool