Merge upgrade to Akka 2.2.1 [from crdueck](#14)

Squashed commit of the following:

commit fbbbf94f4a66e9eff087d8e655935611d4b32165
Author: Lloyd Meta <lloydmeta@gmail.com>
Date:   Thu Sep 19 08:42:22 2013 +0900

    Update Props instantiation to 2.2.1 syntax and revert to Await

commit 1ed97c6
Author: crdueck <chris@chris-OptiPlex-760.(none)>
Date:   Wed Sep 18 14:22:24 2013 -0400

    update to Akka 2.2.1

commit 7909efd
Author: crdueck <chris@chris-OptiPlex-760.(none)>
Date:   Wed Sep 18 14:20:45 2013 -0400

    remove sbt-idea plugin

.gitignore

@@ -5,6 +5,7 @@
 *~
 
 #sbt
+/project/plugins.sbt
 /project/target/
 /project/project/target
 

build.sbt

@@ -12,8 +12,8 @@ resolvers += "Typesafe Repository" at "http://repo.typesafe.com/typesafe/release
 
 libraryDependencies ++= Seq(
   "org.scalatest" %% "scalatest" % "1.9.1" % "test",
-  "com.typesafe.akka" %% "akka-testkit" % "2.1.4",
-  "com.typesafe.akka" %% "akka-agent" % "2.1.4",
+  "com.typesafe.akka" %% "akka-testkit" % "2.2.1" % "test",
+  "com.typesafe.akka" %% "akka-agent" % "2.2.1",
   "com.typesafe" %% "scalalogging-slf4j" % "1.0.1",
   "org.slf4j" % "slf4j-api" % "1.7.1",
   "ch.qos.logback" % "logback-classic" % "1.0.3"
@@ -62,4 +62,4 @@ pomExtra := (
       <url>http://beachape.com</url>
     </developer>
   </developers>
-)
+)

src/main/scala/com/beachape/filemanagement/CallbackActor.scala

@@ -13,7 +13,7 @@ object CallbackActor {
    * Factory method for props required to spawn a MonitorActor
    * @return Props for spawning an actor
    */
-  def apply() = Props(new CallbackActor)
+  def apply() = Props(classOf[CallbackActor])
 }
 
 /**

src/main/scala/com/beachape/filemanagement/MonitorActor.scala

@@ -12,6 +12,7 @@ import scala.language.existentials
 import scala.language.postfixOps
 import akka.routing.SmallestMailboxRouter
 import com.beachape.filemanagement.Messages._
+import scala.concurrent.Await
 
 /**
  * Companion object for creating Monitor actor instances
@@ -26,7 +27,7 @@ object MonitorActor {
    */
   def apply(concurrency: Int = 5) = {
     require(concurrency > 1, s"Callback concurrency requested is $concurrency but it should at least be 1")
-    Props(new MonitorActor(concurrency))
+    Props(classOf[MonitorActor], concurrency)
   }
 }
 
@@ -40,6 +41,7 @@ class MonitorActor(concurrency: Int = 5) extends Actor with Logging with Recursi
 
   implicit val timeout = Timeout(10 seconds)
   implicit val system = context.system
+  implicit val ec = context.dispatcher
 
   // Round-robin of callback performers helps control concurrency
   val callbackActorsRoundRobin = context.actorOf(
@@ -181,7 +183,7 @@ class MonitorActor(concurrency: Int = 5) extends Actor with Logging with Recursi
   def callbacksForPath(eventType: WatchEvent.Kind[Path], path: Path): Option[Callbacks] = {
     eventTypeCallbackRegistryMap.
       get(eventType).
-      flatMap(registryAgent => registryAgent.await.callbacksForPath(path))
+      flatMap(registryAgent => Await.result(registryAgent.future, 10 seconds).callbacksForPath(path))
   }
 
   /**