- restructure packages and wire up classes

...in/java/org/bigbluebutton/core/api/MessageOutGateway.java

...bluebutton/core/pubsub/receivers/ChatMessageReceiver.java

...ton/core/pubsub/receivers/ConversionUpdatesProcessor.java

...bluebutton/core/pubsub/receivers/LockMessageReceiver.java

...ebutton/core/pubsub/receivers/MeetingMessageReceiver.java

...on/core/pubsub/receivers/PresentationMessageListener.java

...luebutton/core/pubsub/receivers/RedisMessageReceiver.java

...luebutton/core/pubsub/receivers/UsersMessageReceiver.java

...luebutton/core/pubsub/receivers/VoiceMessageReceiver.java

...tton/core/pubsub/receivers/WhiteboardMessageReceiver.java

labs/akka-bbb-apps/src/main/resources/application.conf

...akka-bbb-apps/src/main/scala/org/bigbluebutton/Boot.scala

...n/scala/org/bigbluebutton/core/BigBlueButtonGateway.scala

...main/scala/org/bigbluebutton/core/BigBlueButtonInGW.scala

...rc/main/scala/org/bigbluebutton/core/CollectorActor.scala

...ebutton/core/pubsub/senders/ChatEventRedisPublisher.scala

...uebutton/core/pubsub/senders/ChatEventRedisRecorder.scala

...tton/core/pubsub/senders/ChatMessageToJsonConverter.scala

...tton/core/pubsub/senders/MeetingEventRedisPublisher.scala

...n/core/pubsub/senders/MeetingMessageToJsonConverter.scala