Merge branch 'master' into breakout-room-html5

.../apps/users/UserJoinMeetingAfterReconnectReqMsgHdlr.scala

...luebutton/core/apps/users/UserJoinMeetingReqMsgHdlr.scala

...g/bigbluebutton/core/apps/users/UserLeaveReqMsgHdlr.scala

...rc/main/scala/org/bigbluebutton/core/models/Users2x.scala

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

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

...scala/org/bigbluebutton/core2/testdata/FakeTestData.scala

...b/src/main/java/org/bigbluebutton/api/MeetingService.java

.../main/java/org/bigbluebutton/api/ParamsProcessorUtil.java

...b/src/main/java/org/bigbluebutton/api/domain/Meeting.java

.../org/bigbluebutton/api/messaging/RedisStorageService.java

...ebutton/api/messaging/messages/UpdateRecordingStatus.java

.../java/org/bigbluebutton/presentation/ImageToSwfSlide.java

...in/java/org/bigbluebutton/presentation/PdfToSwfSlide.java

...uebutton/presentation/PresentationUrlDownloadService.java

...utton/presentation/handlers/AddNamespaceToSvgHandler.java

...on/presentation/handlers/Pdf2PngPageConverterHandler.java

...on/presentation/handlers/Pdf2SwfPageConverterHandler.java

...uebutton/presentation/handlers/PdfPageCounterHandler.java

...utton/presentation/handlers/Png2SvgConversionHandler.java