- start wiring bbb-apps actor system

...n/src/main/java/org/bigbluebutton/client/IClientInGW.java

.../scala/org/bigbluebutton/client/ClientGWApplication.scala

.../src/main/scala/org/bigbluebutton/client/ClientInGW.scala

...n/scala/org/bigbluebutton/client/MessageSenderActor.scala

...c/main/scala/org/bigbluebutton/client/MsgToClientGW.scala

...a/org/bigbluebutton/client/ReceivedJsonMsgHdlrActor.scala

...n/scala/org/bigbluebutton/client/RxJsonMsgHdlrTrait.scala

.../scala/org/bigbluebutton/client/SystemConfiguration.scala

...org/bigbluebutton/client/bus/JsonMsgFromAkkaAppsBus.scala

...a/org/bigbluebutton/client/bus/JsonMsgToAkkaAppsBus.scala

...rg/bigbluebutton/client/bus/MsgFromAkkaAppsEventBus.scala

.../org/bigbluebutton/client/bus/MsgFromClientEventBus.scala

...la/org/bigbluebutton/client/bus/MsgToClientEventBus.scala

...tton/client/endpoint/redis/AppsRedisSubscriberActor.scala

.../scala/org/bigbluebutton/client/meeting/Connections.scala

...scala/org/bigbluebutton/client/meeting/MeetingActor.scala

...ala/org/bigbluebutton/client/meeting/MeetingManager.scala

...rg/bigbluebutton/client/meeting/MeetingManagerActor.scala

...rc/main/scala/org/bigbluebutton/client/meeting/User.scala

...in/scala/org/bigbluebutton/client/meeting/UserActor.scala