namespaceFor is used for actor path, topicFor is for mediator topic.
Merge pull request #11 from cowboy129/master

Add SocketIOExtension, Merge Cluster/Local Namespace
Merge branch 'master' of github.com:wandoulabs/spray-socketio

Conflicts:
	src/main/scala/spray/contrib/socketio/LocalConnectionActive.scala
	src/main/scala/spray/contrib/socketio/examples/SimpleClusterServer.scala
	src/main/scala/spray/contrib/socketio/examples/benchmark/SocketIOClusterTestServer.scala
	src/main/scala/spray/contrib/socketio/namespace/ClusterNamespace.scala
	src/main/scala/spray/contrib/socketio/namespace/LocalNamespace.scala
	src/main/scala/spray/contrib/socketio/namespace/Namespace.scala
Added multi-jvm to unmanaged sources.
Bounce back conection packet after subsribed mediator on endpoint.
Passed broadcast test in SocketIOClusterSpec
cleanup.
Some benchmark result.
Moved global actor's creation to SocketIOExtension;
PacketParser.apply now return Try[Seq[Packet]].
Fixes: Distinguish publish to namespace and broadcast.
Upgraded to Rxjava-scala 0.17.1
Add bench cluster start/stop scripts
add frame/packet serializer