Moved RateLimiter.scala (without any CircuitBreaker mind you) back to Chapter12 as per book (#7)

Fixed sbt.IO dependency in build.scala and chapter13 (must have been in .ivy cache for RKuhn), removed some unused imports
directory change for MultiMasterCRDTSpec.scala (now chapter13)

Author: phderome

chapter13/src/main/scala/com/reactivedesignpatterns/chapter13/RateLimiter.scala renamed to chapter12/src/main/scala/com/reactivedesignpatterns/chapter12/RateLimiter.scala

@@ -1,8 +1,7 @@
-package com.reactivedesignpatterns.chapter13
+package com.reactivedesignpatterns.chapter12
 
-import scala.concurrent.duration.FiniteDuration
-import scala.concurrent.duration.Deadline
 import scala.concurrent.Future
+import scala.concurrent.duration.{Deadline, FiniteDuration}
 
 case object RateLimitExceeded extends RuntimeException
 

chapter13/src/main/scala/com/reactivedesignpatterns/chapter13/ActivePassive.scala

@@ -3,17 +3,13 @@
  */
 package com.reactivedesignpatterns.chapter13
 
-import sbt.IO
 import play.api.libs.json._
-import java.io.File
 import akka.actor._
 import scala.collection.mutable.Queue
 import akka.cluster.Cluster
 import scala.concurrent.duration._
 import scala.collection.immutable.TreeMap
-import scala.concurrent.forkjoin.ThreadLocalRandom
 import scala.util.Random
-import scala.annotation.tailrec
 import akka.cluster.singleton.ClusterSingletonManager
 import akka.cluster.singleton.ClusterSingletonProxy
 import akka.cluster.singleton.ClusterSingletonManagerSettings

chapter13/src/main/scala/com/reactivedesignpatterns/chapter13/KVStoreUtils.scala

@@ -5,7 +5,7 @@ package com.reactivedesignpatterns.chapter13
 
 import play.api.libs.json.JsValue
 import java.io.File
-import sbt.IO
+import sbt.io.IO
 import play.api.libs.json.Json
 import akka.actor.ActorRef
 

chapter13/src/test/scala/com/reactivedesignpatterns/chapter12/MultiMasterCRDTSpec.scala renamed to chapter13/src/test/scala/com/reactivedesignpatterns/chapter13/MultiMasterCRDTSpec.scala

@@ -17,7 +17,7 @@ object Build {
 
   val amazonAWS = "com.amazonaws" % "aws-java-sdk" % "1.11.109"
 
-  val sbtIO = "org.scala-sbt" %% "io" % "0.13.8"
+  val sbtIO = "org.scala-sbt" %% "io" % "1.0.0-M9"
 
   val scalaAsync = "org.scala-lang.modules" %% "scala-async" % "0.9.2"
   val scalaJava8 = "org.scala-lang.modules" %% "scala-java8-compat" % "0.7.0"