Merge pull request #4625 from ritzalam/check-auth-token-on-video-connect

...n/core/apps/meeting/ValidateConnAuthTokenSysMsgHdlr.scala

.../presentationpod/CreateNewPresentationPodPubMsgHdlr.scala

...ionpod/PresentationConversionCompletedSysPubMsgHdlr.scala

...utton/core/apps/presentationpod/PresentationPodsApp.scala

...pps/presentationpod/RemovePresentationPodPubMsgHdlr.scala

...e/apps/presentationpod/RemovePresentationPubMsgHdlr.scala

...ps/presentationpod/SetCurrentPresentationPubMsgHdlr.scala

...ton/core/pubsub/senders/ReceivedJsonMsgHandlerActor.scala

...n/scala/org/bigbluebutton/core/running/MeetingActor.scala

.../org/bigbluebutton/core2/message/senders/MsgBuilder.scala

bbb-apps-common/build.sbt

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

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

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

.../bigbluebutton/client/endpoint/redis/RedisPublisher.scala

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

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

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

...ain/scala/org/bigbluebutton/common2/msgs/SystemMsgs.scala

...org/bigbluebutton/app/video/ConnectionInvokerService.java