- use akka event bus for messages

akka-bbb-apps/build.sbt

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

...ain/scala/org/bigbluebutton/core/BigBlueButtonActor.scala

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

.../src/main/scala/org/bigbluebutton/core/MeetingActor.scala

...ain/scala/org/bigbluebutton/core/MessageSenderActor.scala

...main/scala/org/bigbluebutton/core/OutMessageGateway.scala

...scala/org/bigbluebutton/core/OutMessageGatewayActor.scala

...src/main/scala/org/bigbluebutton/core/RecorderActor.scala

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

...rc/main/scala/org/bigbluebutton/core/api/InMessages.scala

...src/main/scala/org/bigbluebutton/core/apps/UsersApp.scala

...rc/main/scala/org/bigbluebutton/core/bus/MyEventBus.scala

...n/scala/org/bigbluebutton/core/bus/OutgoingEventBus.scala