Merge branch 'master' of github.com:bigbluebutton/bigbluebutton into pods_vol4

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

.../presentationpod/CreateNewPresentationPodPubMsgHdlr.scala

...ps/presentationpod/GetAllPresentationPodsReqMsgHdlr.scala

.../apps/presentationpod/GetPresentationInfoReqMsgHdlr.scala

...ionpod/PresentationConversionCompletedSysPubMsgHdlr.scala

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

...pps/presentationpod/RemovePresentationPodPubMsgHdlr.scala

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

.../core/apps/presentationpod/SetCurrentPagePubMsgHdlr.scala

...ps/presentationpod/SetCurrentPresentationPubMsgHdlr.scala

...re/apps/presentationpod/SetPresenterInPodReqMsgHdlr.scala

...n/core/apps/users/AddUserToPresenterGroupCmdMsgHdlr.scala

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

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

...scala/org/bigbluebutton/core/running/HandlerHelpers.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