Merge branch 'v2.2.x-release' of github.com:bigbluebutton/bigbluebutton into merging

akka-bbb-apps/project/Dependencies.scala

...on/core/apps/breakout/CreateBreakoutRoomsCmdMsgHdlr.scala

...sentationpod/PdfConversionInvalidErrorSysPubMsgHdlr.scala

...ionpod/PresentationConversionCompletedSysPubMsgHdlr.scala

...esentationpod/PresentationConversionEndedSysMsgHdlr.scala

...sentationpod/PresentationConversionUpdatePubMsgHdlr.scala

...tionpod/PresentationPageConversionStartedSysMsgHdlr.scala

...presentationpod/PresentationPageConvertedSysMsgHdlr.scala

...tton/core/apps/presentationpod/PresentationPodHdlrs.scala

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

...re/apps/presentationpod/ResizeAndMovePagePubMsgHdlr.scala

.../src/main/scala/org/bigbluebutton/core/models/Polls.scala

...cala/org/bigbluebutton/core/models/PresentationPods.scala

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

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

...c/main/scala/org/bigbluebutton/core2/AnalyticsActor.scala

akka-bbb-fsesl/project/Dependencies.scala

bbb-common-message/project/Dependencies.scala

...scala/org/bigbluebutton/common2/domain/Presentation.scala

...org/bigbluebutton/common2/msgs/PresentationPodsMsgs.scala