Updated akka version to 2.3.11, added exclusion rule for org.jboss.ne…

…tty (old 3.2.2.Final version) that causes conflicts

communication/build.sbt

@@ -17,7 +17,7 @@
 libraryDependencies ++= Seq(
   // LGPL with static linking exception
   "org.zeromq"        % "jeromq"        % "0.3.4",
-  "com.typesafe.akka" %% "akka-actor"   % "2.3.4",
-  "com.typesafe.akka" %% "akka-slf4j"   % "2.3.4",
-  "com.typesafe.akka" %% "akka-testkit" % "2.3.4" % "test"
+  "com.typesafe.akka" %% "akka-actor"   % "2.3.11",
+  "com.typesafe.akka" %% "akka-slf4j"   % "2.3.11",
+  "com.typesafe.akka" %% "akka-testkit" % "2.3.11" % "test"
 )

kernel-api/build.sbt

@@ -44,8 +44,15 @@ libraryDependencies ++= Seq(
 // TODO: Mark these as provided and bring them in via the kernel project
 //       so users wanting to implement a magic do not bring in Spark itself
 libraryDependencies ++= Seq(
-  "org.apache.spark" %% "spark-core" % sparkVersion.value excludeAll // Apache v2
+  "org.apache.spark" %% "spark-core" % sparkVersion.value excludeAll( // Apache v2
     ExclusionRule(organization = "org.apache.hadoop"),
+
+    // Exclude netty (org.jboss.netty is for 3.2.2.Final only)
+    ExclusionRule(
+      organization = "org.jboss.netty",
+      name = "netty"
+    )
+  ),
   "org.apache.spark" %% "spark-streaming" % sparkVersion.value,      // Apache v2
   "org.apache.spark" %% "spark-sql" % sparkVersion.value,            // Apache v2
   "org.apache.spark" %% "spark-mllib" % sparkVersion.value,          // Apache v2