Update reactivemongo version to one that supports play 2.2.

frameworks/Scala/play-scala-mongodb/project/Build.scala

@@ -7,7 +7,7 @@ object ApplicationBuild extends Build {
   val appVersion      = "1.0-SNAPSHOT"
 
   val appDependencies = Seq(
-    "org.reactivemongo" %% "play2-reactivemongo" % "0.9" exclude("org.scala-stm", "scala-stm_2.10.0")
+    "org.reactivemongo" %% "play2-reactivemongo" % "0.10.5.0.akka22" exclude("org.scala-stm", "scala-stm_2.10.0")
   )
 
   val main = play.Project(appName, appVersion, appDependencies).settings(