- implement end and destroy meeting

...ence/meeting/messaging/red5/ConnectionInvokerService.java

...e/meeting/messaging/red5/DisconnectAllClientsMessage.java

...rence/meeting/messaging/red5/DisconnectClientMessage.java

...tton/conference/service/messaging/MessagingConstants.java

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

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

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

...c/main/scala/org/bigbluebutton/core/api/OutMessages.scala

...in/scala/org/bigbluebutton/core/apps/users/UsersApp.scala

...utton/core/apps/users/red5/UsersClientMessageSender.scala

...gbluebutton/core/meeting/MeetingEventRedisPublisher.scala

.../bigbluebutton/freeswitch/FreeswitchConferenceActor.scala

...g/bigbluebutton/modules/users/services/MessageReceiver.as

...on-web/src/java/org/bigbluebutton/api/MeetingService.java

...on-web/src/java/org/bigbluebutton/api/domain/Meeting.java

...a/org/bigbluebutton/api/messaging/MessagingConstants.java

...rg/bigbluebutton/api/messaging/RedisMessagingService.java

...java/org/bigbluebutton/web/services/KeepAliveService.java